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Negative Supply's LM1 is a stylish, compact all-metal digital light meter

Negative Supply has launched a pocket-sized digital light meter on Kickstarter, the LM1. The LM1 is designed to measure ambient light, aiding in accurate exposures, and it also measures color temperature, aiding in determining which filters or film stocks to use in a given situation.

The LM1 supports 1/3 stop adjustments for ISO, aperture and shutter speed via its 4-button design. The LM1 has a dedicated sync port for flash metering, complete with flash mode and remote triggering options.

With an integrated rechargeable battery, the LM1 promises up to several weeks of standby. The battery charges via a USB-C port and is fully charged within a couple of hours. The device includes an automatic sleep mode to help extend battery life in the field and includes a quick-wake feature, allowing the LM1 to be used nearly instantly.

The pocket-sized design is one of the primary selling points of the LM1. The device is 44mm (1.7") wide, 90mm (3.5") tall and 15mm (0.6") deep, making it only a bit larger than a roll of 120 film. The LM1 features an all-metal body that is CNC-machined from aviation-grade aluminum or solid brass. There are multiple scratch-resistant anodized color options for aluminum LM1 and a black finish option for the brass LM1. The buttons and bulb are custom-molded, too. The device includes a strap attachment anchor, allowing you to carry the LM1 around with your favorite neck or wrist strap.

With its compact size and simple design, the LM1 has been designed for single-handed use. The light meter includes a backlit display with multiple viewing modes suitable for varied environments. The display has 144 x 168px resolution and is a TFT-LCD display.

Prototype LM1 in Negative Supply's workshop

There are many light meters already on the market, so why make a new one with the LM1? The Kickstarter campaign states, 'The electronic meters currently on the market are bulky, plastic, and don't live up to the look and feel of the cameras we've all grown to love. We decided it was time to change that.'

Saxon McClamma, Co-Founder and Director of Design, adds, 'The LM1 is the most complicated tool we've designed, and everything needed to come together perfectly to bring it to life. The experience of our incredible team of programmers, engineers, and manufacturing partners allowed us to create an elegant, timeless design without compromising functionality.'

Left: Brass LM1 after wear testing. Right: Anodized aluminum LM1 is available colors.

The LM1 has already eclipsed its funding goal of $50,000 and reached its first stretch goal of $100,000, which adds built-in shutter speed testing to the LM1. The second stretch goal of $125,000 has nearly been reached at the time of writing, and that goal adds filter factor calculation functionality.

Backer options for the LM1 start at $379 with special early bird pricing. The eventual MSRP when the LM1 launches (November 2021) will be $479. Additional backer options include an aluminum LM1 with special green, slate gray or silver colorways for $429 (regularly $529) and the LM1 in brass for $599 ($749 MSRP).

For additional information about the LM1 pocket-sized digital light meter and all backing options, visit Kickstarter.


Note/disclaimer: Remember to do your research with any crowdfunding project before backing it. Pledges to crowdfunding campaigns are not pre-orders. DPReview does not have a relationship with this, or any such campaign, and we publicize only projects that appear legitimate, and which we consider will be of genuine interest to our readers. You can read more about the safeguards Kickstarter has in place on its ‘Trust & Safety’ page.

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Nothing new

The most usable light meter I ever had is MyLightMeter in my iPhone. It's precise, takes no space, needs no batteries and it's free... Unfortunately, it only measures reflected light, not ambient...

8 hours ago*
NoSasaeng

"Will stand the test of time"

"Features an integrated lithium ion battery"

Well choose one....

18 hours ago
Ruby Rod

IMO, all the light meters the world will ever need have already been produced. Also true of film cameras and enlargers.

1 day ago
image365

Does it allow for crop factors and indicate more exposure for smaller sensors to take into account equivalence. I don't expect it does as light meters never have, or is "equivalence" not relevant ? :)

1 day ago
whtchocla7e

Not relevant. Light per area doesn't change when you zoom in

1 day ago
PerTulip

My light meter doesn't have "factors" for 135, 120, 4x5 and it works will all of them. ;-)

12 hours ago
bilmenot

I used to have a Minolta and a Sekonic flash meter when I was shooting with film long time ago, both are very good meter, I used them to measure the output of my Metz flashgun (45CT3 or CT4 I forgot) and I got higher than advertised figure in full manual, where most Japan made flashguns are near a stop under back then. I am considering to purchase a new meter while I am 'going back' to shoot films. In camera meter can never replace a standalone one due to the way the measurement taken, but nowadays very few photographers still carry a meter, with digital and high dynamic range sensor and post can fix most metering problem.

1 day ago
j102030

I didn't know they still made iPod Minis

1 day ago
jwasturias

Whoever bought one made a sound investment..

1 day ago
sirhawkeye64

Handheld light meters are becoming more and more of a niche market and maybe this sounds obvious, and maybe this has been the case for the past 5-8 years since in-camera metering has gotten so good, and for most people, it works. (I mean with some you have to figure out how your camera meters - and by that I don't just mean knowing when you use what metering mode, but knowing if your camera tends to under/over expose in certain situations with various metering modes). Once you can master that with your camera, you can usually get by with the built-in reflective meter.

I rarely use the handheld meter I have as it is... and it stays in the bag & only gets used (literally) a handful of times per year. I'm sure there's a market for this, but probably not that big, and you could probably find something from Sekonic, that's used but probably with more features and for less than what you'd pay for one of these. Plus then there's the question about things like wireless triggering support

1 day ago*
il_alexk

It's a perfect Shroedinger's lightmeter. It doesn't exist yet, so as long as it is not available for sale it can simultaneously be worst scam and the best lightmeter known to human kind.

Will take a couple of years before independent reviews confirm what exactly this peace if plastic with a cheap LCD is.

1 day ago
Tim O'Connor
Tim O'Connor

"Made of aircraft grade Aluminium or Brass'.

1 day ago
Ranger 9

And the display looks like an off-the-shelf 128x128 monochrome OLED. I've built projects with these and they are compact but very clear and legible.

One thing skeptics need to realize is you no longer need to be Sekonic or Gossen to build a straightforward light meter like this (or the various shoe-mount ambient meters that seem to be advertised everywhere nowadays.) Good light meters used to require sophisticated analog circuitry (or, later, custom application-specific integrated circuits) but now highly accurate lux and RGB sensors, OLEDs, and microcontrollers are off-the-shelf items that any competent designer can use, and contract manufacturers for cases and circuit boards are accessible to anyone with the right knowledge and connections. In this environment, the main constraint on the quality of the end product is how good the designer's ideas are... although don't expect leading-edge features such as Sekonic's HSS metering capability.

1 day ago
AcerK

I love those monochrome bright OLED screens.

1 day ago
Roland Karlsson

Aircraft grade Brass :)

1 day ago
Overrank

@Ranger 9 Although when the equivalent Gossen or Sekonic meter are cheaper and / or better and have a known resale value why wouldn’t you buy from them ?

1 day ago
Razor512
Razor512

For me, it looks like they modified a version of the $20 colorimeter project and made it into a light meter, and then upped the price to insane levels.

1 day ago
NoSasaeng

"One thing skeptics need to realize is you no longer need to be Sekonic or Gossen to build a straightforward light meter like this"

Yeah but if you are pricing it at Sekonic levels you need to be able to compete. I build a lightmeter with my 3d printer and an arduino over a weekend. Sure it doesn't look that nice but it was also way cheaper. If you sell something at Sekonic pricing it shouldn't be a straightforward lightmeter, it should be a really good one. It shouldn't be at the level of my 30$ arduino project with a nice metal case.

17 hours ago
Nicolaso
Nicolaso

For that price I get an (available) LUMU light meter which reads ambient, flash and colour temperature...

Why bother then 🤷🏻‍♂️

2 days ago*
Ziginox

To be fair, I personally don't find the lumu a good solution as it requires a smartphone (and iOS only, at that.) Not that I'd call the LM1 a value, either.

19 hours ago
Nicolaso
Nicolaso

Agreed it's iOS only but of all photographers I know nobody has an Android smartphone, so I assumed it would make sense.

I guess there's a reason why they only developed an iOS version 🤷🏻‍♂️

4 hours ago
Ziginox

Probably because us Android users tend to understand that smartphone addons become obsolescent much more quickly than standalone devices. 😁
(Actually in this boat right now, trying to decide on a thermal camera, and if I want to deal with the ones that plug directly into a phone)

2 hours ago
dmurphey
dmurphey

This is about 1/3 the size of my Sekonic C-800 color meter. If it can free up space in my camera case, it's worth $400.

2 days ago
petterf

I'll buy you a LM1 if you send me your C-800! :)

1 day ago
mxx
mxx

With press releases like this I never understand why the price is not mentioned in the first or second paragraph, but only at the end. Price is almost always a major deciding factor when puchasing equipment.

2 days ago
Carleton Torpin

Press releases are holding the price until the end of the article because some people might stop reading after the price is mentioned.

1 day ago
IEBA1
IEBA1

Stylish?
A black monolith is stylish?
Uh, no.

2 days ago
Roland Karlsson

Negative Supply?

Is this a scam? Are they never going to make anything, and that is the plan? And they even hint that in the name?

2 days ago
jonby

Yes you pay them to let you give them gear. It's the latest thing in business modelling.

1 day ago
PerTulip

Negative Supply is an existing company.

12 hours ago
crsantin

Not at that price.

2 days ago
jonby

Good:
- Small - most light meters are a bit big
- Third-stop controls - this is very helpful, given that all cameras now work with 1/3 stops
- Colour temp reading
- Metal - I guess this is nice

Bad/not sure due to insufficient info:
- No option for reflective reading or flat-disc incident reading?
- No digi-analogue scale?
- No exposure range/average reading?
- If front button is main reading button, this is in most awkward place for single-hand use. None of the controls are explained.
- Non-replaceable battery?
- No flash/ambient percentage reading
- Expensive for its features

TBH, I'm irritated by the lack of any detail about features, modes, controls etc. I'm not the kind of person who is swayed by soothing music and shallow DOF lifestyle videos. I want to know what I'm getting for my (substantial amount of) money and the presentation hints at - not a lot.

2 days ago
Roland Karlsson

Jonby - it might be so that what you ask for do not yet exist. Design of menus and detailed functionality might be something they plan to make on the fly. Working agile, you know. If you work agile, you shall not commit early.

2 days ago
jonby

Fair point, but form factor, screen and button layout are shown and presumably fixed, so they must have a good idea of what the buttons will do, modes it will have, roughly how it will work etc. They could have given more details and just put in a proviso that minor details could change. Just feels a bit like they are obfuscating the functionality details with aesthetics and lifestyle sheen.

2 days ago
tcphoto1

I haven’t used my Minolta Flashmeter IV in a longtime, why would I buy another?

2 days ago
NickyB66

Kickstarter = No Thanks

2 days ago
JosephScha

I bet you've never tried it. Kickstarter is not a scam. Although, this would be the most expensive Kickstarter reward I've seen. Have to really want it. And, it says, "rewards are not guaranteed" - that's kind of a turn off, considering they have raised triple their initial goal. But in general: Kickstarter projects do deliver.

2 days ago
Ranger 9

More accurately: "Kickstarter is not always a scam."

Sometimes the finished article exceeds expectations and compares well against commercially-developed products. Sometimes it's a usable but slightly underwhelming effort with a few rough edges. Sometimes it's basically a series-produced hacker/maker project that may be fine with a bit of DIY; sometimes it's a barely-functional disappointment; and sometimes it IS an outright scam that never delivers anything workable. I'd say the vast majority fall somewhere in the middle of this range.

Backing Kickstarters can be lots of fun if you're a tech enthusiast, have an optimistic nature, and can afford to write off an occasional bad investment. Me? For something like this that I'd expect to use often, I'd rather wait for a real product and some unbiased reviews.

2 days ago
Steve Balcombe

Backers, they saw you coming...

2 days ago
brighter_summer_day

Run the Kodak Instagram story you chickens.

2 days ago
Djehuty

Ill stick to Sekonic.

2 days ago
absquatulate

Pros; small, solid construction, versatile
Cons; rechargeable battery, so built-in obsolescence, my pet hate.

It's a no from me.

2 days ago
mxx
mxx

I wholeheartedly agree with your sentiment regarding the rechargeable battery.

2 days ago
Ranger 9

It depends on the engineering. I have absolutely no problem with removing a few pentalobe screws, ordering a new equivalent li-ion battery from a supplier such as Adafruit Industries, and plugging it into the JST connector or (if necessary) soldering it in place. For people involved in RC, hobby electronics, etc., this is an easy routine operation. I'd much rather do that than try to clean out the corrosion from a replaceable battery that leaked.

1 day ago
PerTulip

Depends on what kind of battery and how it's built in. If it's an easy solder job, I wouldn't care.

12 hours ago
Windeguy

For all the nay sayers, they have almost tripled their goal on Kickstarter. So I guess there are at least 300 people that think this is a good value.

2 days ago
errebe

Looks like a brick in your bag or pocket... ugly... and at that price I will never buy that... give me a break...!!!

2 days ago*
themountainphotographer

£379/£479 for a light meter! Are you joking!

A Weston Master V from the bay, £10 for a classic metal light meter. Many free apps and the better ones for less than £10.

2 days ago
Ranger 9

What attachments do you need to get your Master V to read electronic flash and color temperature? I don't think you can do that even if you haven't lost the Invercone...

2 days ago
luka3rd
luka3rd

479$? 🤣🤣🤣🤣🤣🤣🤣🤣

2 days ago
petterf

At that price there's no chance at all I'll buy one.
There are far more others for the same cost of cheaper with far better features.

2 days ago
mxx
mxx

For that price you can buy yourself a nice new camera lens.

2 days ago
Sylvain G

Having backed 135 and 120 film holder, it is my opinion that negative supply overcharges their products by a lot. Overengineered where it is not needed (a ton of aluminium) and missing quality where it should (tolerances/play,and finish). In short, you're not getting more with the higher price. Still nice but should be half the price. Can't testify for other producs (read reviews though) but it looks like they keep on going with that trend. The sound of "Director of Designs" made me smile. All the best for them, they had nice ideas and certainly helped the film scene, but eventually, smarter, cheaper and equally well built competition is going to get them.

2 days ago
Fazal Majid
Fazal Majid

Ridiculous pricing for a product from an unknown company and no track record. Accuracy is the most important thing in measuring instruments, not fancy cases or coordinated color finishes.

2 days ago
Bigsensorisbest

Oh for goodness sake,they make it attractive with a brass long life enclosure, then blow it by having a lithium non changeable built in USB battery, so when that battery fails its in the bin, all they needed to do was let it take an AA battery, feeble... I'll stick with the sekonic L308 which takes a proper AA battery 🔋

2 days ago
zakk9
zakk9

I agree with you on this one. Good light meters can last decades rather than years. Batteries, not so much.

2 days ago
Stig Vidar Hovland

I would never buy a product like that with a non-changeable battery.

2 days ago
Kirnbichler

I've got a Lunasix 3 light meter my father bought somewhen in the late sixties or early seventies. (--When I insert a new 9V block battery--), it still performs fine. And outperforms that thing here inasmuch as it can be used both as a reflective and an incident light meter.

And hey, it's just fifty years old.

-- Edit:
No. That one does not use 9V block batteries, I've confused that with my Profisix. The Lunasix 3 uses mercury coin cells, but was converted to be compatible to alkaline LR44 cells.

2 days ago*
maxnoy

+1 for L308. So good and compact.

2 days ago
Bigsensorisbest

Thanks chaps, same with the new Polaroid Originals range, it's so off-putting you can't change the battery

1 day ago
Imager of
Imager of

Take my money. Love these things.

2 days ago
themountainphotographer

Give your money to me, it will be better spent 😀

2 days ago
AndroC

Dose anybody seriously use colour adjustment filters any more? I have a whole case of every single value sitting in the shed, never to be used again.

2 days ago
otto k

FWIW I do.

2 days ago
DrCastle

I don’t know about color correcting filters, but as a BW shooter I often use yellow/red filters for contrast adjustments.

2 days ago
AndroC

I am referring to the large sets of color correction gels, are color temperature blue (CTB) and color temperature orange (CTO) and the minus green and plus green series, for white balance and colour temperature correction. Not colour warming filters or B&W red/yellow/green/etc filters.

2 days ago
Ranger 9

I used color adjustment filters just last weekend, when I was shooting on a theater stage with a fiendish mix of LED stage lights, tungsten stage lights, and electronic flash. I had to gel all the lights to get them to roughly the same color balance, then set a custom white balance on the camera to agree with them all. Not having a color temperature meter, I had to do it by trial and error, and even then the final adjustment wasn't as close as I'd have liked (needed a lot of tweaking in post-production.) A good meter would have saved me some time there, although I can't afford the Sekonic C800 and a not-so-accurate color meter (like the one in the phone app I have) wouldn't have been worth the bother. Will be interesting to see if this one can cut it...

1 day ago
waloshin2015
waloshin2015

Yay Kickstarter no guarantee they won’t run with your money…

2 days ago
Sergey Borachev

The dome should be made smaller and put in a wearable item designed to look like a wristwatch, pendant if a necklace, buckle of a belt, etc with the electronics hidden at the back of or inside these items. The measurements should be sent directly to the camera via Bluetooth, when triggered by a half-press of the shutter button, so that the camera can make adjustments automatically or suggestions on the EVF just before the picture is taken. Other easy to remove items can also be considered. Perhaps the single dome can be replaced by a group of very small ones for hair bands, sunglasses.

2 days ago
Kirnbichler

> The measurements should be sent directly to the camera via Bluetooth, when triggered by a half-press of the shutter button

Do you know any camera that would allow that? Any camera that has a standardized protocol for that?

> Perhaps the single dome can be replaced by a group of very small ones for hair bands, sunglasses.

What purpose could that have?

2 days ago
Ellis Vener
Ellis Vener

I want to know more about the color meter function.
1) does it work with flash as well as constant light? (apparently not)
2) How does it work with LEDs?
3) How does it compare in functionality and information analysis compared to the Sekonic C-800 ( which is approximately triple the price)?

2 days ago*
nameless0ne
nameless0ne

Because everyone already has a phone with you — can you explain me why you need to pay near 400 $ for something that you already have? Also other piece of gear to care about and take with you.
I am using app on my phone and it measures very well.

2 days ago*
ewelch

No app on a phone is going to do what these things will do.

But no way I'd buy this. Gossen and Sekonic have the right idea. Too bad Minolta isn't around to compete on the high end for price.

2 days ago
Bigsensorisbest

I wouldnt trust a phone app unless using negative film which is forgiving to exposure error

2 days ago
nameless0ne
nameless0ne

So you trust you phone camera but don't trust lightmeter from it? Lol. Just give it a try -- it measures better than old analog tech.

2 days ago
jnd

Phone has cheap light sensor which isn't calibrated and it's used only to adjust screen brightness in maybe 100 steps. It's not used to adjust exposure of photos, that's done from sensor data, just like any other mirrorless camera.

2 days ago
nameless0ne
nameless0ne

No, it uses main phone camera to measure. Not any cheap sensor. You can try it — it measures exactly for me on iPhone 12 with “myLightMeter” app same as external lightmeter or Nikon F100

But besides that best thing — you always have it with you, and you saved 100 Usd at least

2 days ago*
DrCastle

I use LightMe (iOS) for exposure metering, it’s got very intuitive UI and adjustable viewfinder/metering window which you can customize depending on film format and focal length. I found its metering to be just as precise as my Minolta X-570 or Oly OM-1.

2 days ago
Kirnbichler

@nameless one: Your phone is not an incident light meter, but a reflective light meter. Works differently.
For the differences see here:
https://blog.pond5.com/7066-perfecting-exposure-how-and-when-to-use-a-light-meter/

2 days ago
nameless0ne
nameless0ne

But camera captures exactly reflected light

I am wrong?

2 days ago
Kirnbichler

Cameras do capture reflected light, but an incident light meter does not measure reflected light.

See what kind of light meter ist used in what situation. The reflective light meter is used from the photographers standpoint, it is pointed at the motive and "sees" the light the camera "sees".

The incident light meter in contrast is used from the motive's standpoint and pointed at the camera (or not really pointed at all, since it's cupola is intended to reduce the depencency for the direction the light comes from).

See the very first image in the link I've posted above -- there a guy holds an incident light meter in front of the model, pointing more or less toward the camera.

Get the difference?

2 days ago*
jonby

Kirnbichler is is correct. Unless you use a diffuser attachment, phones cannot act as incident light meters, and this is an important difference. Incident metering is generally preferred for such things as studio work, portraiture, still life etc.
There are also other reasons why a dedicated device might be better than a phone app:-
- believe it or not, not everyone has a smartphone
- if they have one, not everyone wants to take a smartphone with them while doing photography
- smartphones don't generally have lanyard attachments.
- dedicated light meters have dedicated controls and are easier to operate with one hand than a phone app. This is pretty important.
- light meters have much longer battery life than phones
Not saying a phone app can't work well, but it's not a direct replacement for a dedicated light meter.

2 days ago
Bigsensorisbest

Nameless it's not the phone, anyone can make an app, how do you know the characteristics of each phones sensitivity? I also don't enjoy using my phone for anything other than a mini pc..

1 day ago
Overrank

From Sekonic, 70 year old company specializing in light meters

* l208 - £103
* L308 - £191

Or from Gossen, who’ve been making light meters for 88 years
* Digisix 2 - £129

All available now for next day delivery

Alternatively you can support a Kickstarter for a light meter from a very young company which specializes in film carriers for digitizing film with a digital camera. And pay $379 (normal price $479) with a delivery date in November 2021.

What am I missing ?

2 days ago
Simon Barker

Well it does offer colour temp too which makes it a bit unique but I'm assuming there's a reason (beyond just market segmentation) other manufacturer's keep their light and colour meters separate.

2 days ago
The Sage Knows

In the article the rep for this company says those other meters are all plastic, but theirs is metal - like the film cameras they like.
I still like the little Gossen flashmeter for $230 https://static3.nordic.pictures/29277824-thickbox_default/gossen-digiflash-2-lightmeter.jpg

2 days ago
themountainphotographer

If you go for it, you may be missing your money.

2 days ago*
Kirnbichler

@the sage knows: Well, of course light measured with a metal meter is much more precise, warm and analogue than light measured with a plasticky light meter such as the Gossen lightmeters mentioned somewhere in this thread.

I've got a Gossen Lunasix 3, made somewhen in the late sixties or early seventies, in a grey plastic case. And a Gossen Profisix (with spot meter attachment, and fiber attachment for measuring on the focusing screen of my 4x5 camera) - also in plastic case.

Was no problem then. Why should it be now?

2 days ago
Overrank

@Simon Barker I’m a film photographer who has more than five light meters so I might well be the target audience for this, but I’ve never used a colour temperature meter for film. I’m not even sure if tungsten films are available now ? The new Ektachrome is daylight balanced (and gorgeous ).

@The Sage Knows most of my light meters (and cameras) are plastic (although sometimes with a magnesium alloy frame :-) )

2 days ago
CekariYH
CekariYH

Would have been useful if the values from the colour-meter could be used to adjust WB in Photoshop etc.

2 days ago
The Sage Knows

Easier to just use a whibal card for that by clicking on the image of it I would say.

2 days ago
justinwonnacott

Times have changed and I hardly ever use my light meters anymore. I have a nice (and old ) sekonic flash/light meter which I almost never use except for the flash and even then not too much. The colour temperature function is attractive BUT it is way too expensive......I have not gelled lights for a generation.

2 days ago
Mac McCreery
Mac McCreery

Crazy. Sorry. Surely there are a plethora of cheaper and equally effective options out there?

2 days ago
timbazi
2 days ago
nitroman

HOW MUCH ????!!!! 😳

2 days ago
Indohydra

$50. In this digital age this is useless gimmick.

2 days ago
Gesture

What type of cell? Any way to covert to a reflected light meter like my Sekonic Studio Deluxe. Sorry if I missed it.
But DPReview is allowed to do some independent reporting.

2 days ago
Roland Karlsson

This is incident only.

2 days ago
knoxphoto

...that doesn't exist.

2 days ago
Razor512
Razor512

Severely lacking in features while costing just as much as other brands that are not only well established, but similarly priced.

3 days ago
Ellis Vener
Ellis Vener

“ I guess I'm making up for all the years I yammered about how digital will not catch up with film for a couple of decades…”

Back in 2005, Kodak was the leading supplier of digital sensors for photography oriented cameras, I was informally interviewing a guy who was near the top of the chain of Kodak’s sensor business. I think was about the time that Kodak had introduced the 14N camera which if not THE first, then one of the first full-frame digital cameras in a 35mm film format based camera. I remember telling him how surprised I was with the speed digital was catching on with professional photographer. His response, and I am paraphrasing from memory, is that they were stunned. He then told me that the market for digital cameras in 2004 was where they were projecting it to be in 2014 and that ithe hyper speed adoption of digital by professionals and amateurs was destroying the film and chemistry business.

2 days ago*
Tom Schum
Tom Schum

How does it measure color temperature?

3 days ago
Roland Karlsson

Does it?

Checked their kickstarter web page.

Yes, it can.

I assume the simplest solution is to have a color sensor in it.

2 days ago*
Tom Schum
Tom Schum

From the article above, " and it also measures color temperature, aiding in determining which filters or film stocks to use in a given situation."

2 days ago
ewelch

Film stocks? No thanks. Digital makes such a thing totally worthless. You can buy film stock simulations for most software now.

2 days ago
Ellis Vener
Ellis Vener

@Tom Schum:
from the Kickstarter Page: "Filmmakers, rejoice! Measuring the temperature of ambient light is now easier and more affordable than ever with the LM1. Photographers can also take advantage of this sensor when using daylight film with non-daylight illumination, to confirm consistent color temperature with on-set lighting, and to determine correct compensation filters."

In other words it doesn't measure flash.

@ewelch: "Film stocks? No thanks. Digital makes such a thing totally worthless."

Not if you prefer to use film (I'm not in that crowd, but I know others who do)

"You can buy film stock simulations for most software now." Not the same thing.

2 days ago
Tom Schum
Tom Schum

My camera white balance can be set manually in degrees K. It would be nice to have a second opinion, instead of having to trust the camera.
So I think a lightmeter that reads out color temperature is a good idea.

2 days ago
The Sage Knows

@Tom, just place a little neutral whibal card in the same light and custom wb the camera with it. Like this guy did: https://youtu.be/KHXdnVi-rIg

2 days ago
otto k

Most likely just a generic bayer sensor with a dome over it. It would explain ability to measure temperature and the problems with flash. YMMV

2 days ago
Roland Karlsson

Probably.

This flash stuff is annoying though. The kick starter page states it can handle flash. Where does it say it cannot?

Regarding measuring color temperature with an RGB sensor. Is that enough for a hand held meter? Maybe. I thought hand held color meters were a bit more sophisticated, with more filters.

2 days ago
ewelch

Yeh, I was being a bit harsh there, wasn't I?

I guess I'm making up for all the years I yammered about how digital will not catch up with film for a couple of decades. Only took about five years after I was saying film will be around a lone time, that I stopped using film altogether.

2 days ago
Androole

All that and no hot-shoe mount option for old cameras (like medium format film) that can actually benefit the most from this?

Plastic though it may be, my analogue solar-powered Sekonic L-208 is still far more useful to me...

3 days ago*
CopCarSS
CopCarSS

It's an incident meter. It's not used while connected to the camera but rather approximately where the subject is at. So a hot shoe mount isn't a very useful feature.

2 days ago
Androole

Oof. That's not a feature, that's a bug. The L-208 is both incident and spot.

But I guess that's the compromise you make for paying 3x as much?

2 days ago
derfotograf
derfotograf

Built-in battery: A no-go. I have a Sekonic L-398a that runs without any battery, a Sekonic L-608 which needs a CR123a battery and a Gossen ProfiSix which needs a 9V block battery. No battery is perfect, 9V is available almost everywhere, CR2 is harder to get, so the Sekonic L-602 remains in the studio (mostly used for flash meterin). But a built-in battery turns the expensive device into a paperweight as soon as the battery had a defect or stops working. No USB charging please, changing batteries is faster and works perfectly even in very remote locations.

3 days ago
Old Cameras

My Gossen Sixtomat runs on a single AA battery. I put a disposable lithium battery in it so it doesn’t corrode if I forget about it.

3 days ago
shazam00

You can charge it up with your smartphone if you wanted to, all you have to do is carry the appropriate cable. I get that you're used to batteries but I personally don't like keeping a stash of random batteries with random expiry dates in my drawer, even though I have to for the certain devices I own.

As for battery degradation, someone somewhere can always revive a dead device unless the manufacturer made it obscenely impossible to access a device's internals. Still a better trade-off over battery doors and rusty connections.

I say USB-C all the things so it's just a 10-15 minute charge away.

3 days ago*
John Bean (UK)

"You can charge it up with your smartphone if you wanted"

...or just use your smartphone as a lightmeter in the first place.

3 days ago
Androole

For $479, surely they should be able to have a removable battery with a gasketed door or access panel.

The issue is not that rechargeable batteries are bad, it's that rechargeable Li-ion batteries only have a useful service life of 3-10 years depending on how often they're used.

I've gotten extremely frustrated with having to break out guitar picks and spudgers and heat guns and suction cups and a handful of tiny screwdrivers to replace the batteries in glued-together smartphones because I'm not interested in paying $100 to replace a $15 battery...

3 days ago
Gesture

Minolta Autometer IIIF. Classic but eats batteries. Those others mentioned above sound better.

2 days ago
WJMWJM

Being brass, it surely would take a design with a bunch of screws well.
At least much better than any plastic model....:))

And/or:

As if rubber gasket'ed battery covers survive 10 years....

2 days ago
trungtran

It should be illegal to make anything that uses a battery to be non user replaceable. We need beefier right to repair laws.

2 days ago
CekariYH
CekariYH

@derfotograf: Ever heard of a power bank, always have one or two 27 000 mAh in my bags.

2 days ago
Karroly

I prefer to carry a spare coin battery rather than a 27000 mAh power bank :-)
And changing the coin battery is faster than waiting for the built-in battery to be recharged.

2 days ago
Razor512
Razor512

The water tight seal on my red dot sight for my rifle is still in great condition after 10 years. I replace the battery every 1.5 to 2 years. While it can last longer, it feels safer to not risk a low battery, and it only takes a few seconds.

The oil coated o ring on my watch also still maintains a water tight seal after more than 15 years of use.

1 day ago*
WJMWJM

Only thing missing is a filter slot.

One of the (digital entry-level) Gossen's offers this, by already having a sliding incident-light measurement dome, changing from the inner reflective (spot)light measurement.
And because the dome can slide in both directions anyway, there is room for another slot-in filter on the other side; just open the housing, and slide it in.
I did this with an IR-pass filter, for Kodak HIE.
(depends on the IR-response of the light meter of course, but this Gossen was spot-on)

3 days ago
Gesture

What's the model #.

2 days ago
WJMWJM

Gossen Sixtomat F2....;))
(still at +200 euro, I see, just like 2-3 decades ago, so 'entry level' is relative....;((
(not much 'spot' though, if that was your trigger)
(OTOH, real narrow (viewing optics) spot meters sometimes have a filter screw thread, IIRC)

2 days ago*
ewelch

I used to have an old Weston meter from the 30s. That is, 1930s.

2 days ago
Old Cameras

That’s a tough price point.
For $600 I’d buy a Sekonic L-858D-U with spot meter.

3 days ago
Androole

Even the early bird pricing is...pricey.

3 days ago
Total: 52, showing: 1 – 50
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