nachos

nachos

Lives in United States AK, United States
Joined on Jun 7, 2003

Comments

Total: 28, showing: 1 – 20
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In reply to:

maxnimo: So what do you do if you need a 300mm equiv. telephoto on this thing?

May need to use bellows and a rail.

Direct link | Posted on Dec 17, 2014 at 18:33 UTC
In reply to:

ShadowVlican: glad they are mentioning GAMUT... this means more consumers will know what it is and finally look for this spec when making decisions, which in turn forces manufacturers to compete in this arena (which hasn't been done yet)

There's a lot of practical problems with introducing wide gamut to the mass market at the moment. A few issues:
- Apple has no support for 10 bit still
- Most content on the web is made for sRGB. Worse yet, many websites actually strip the profiles from images uploaded to them, which will ruin the image on wide gamut displays, unless the viewer switches their display to an sRGB emulation mode

I advise staying away from wide gamut unless you shoot a lot of landscapes, do the printing yourself or with a trusted source, and are willing to manually switch to sRGB when outside of your calibrated graphics chain. Professional color graders will also find wide gamut useful. But for most people, it creates more problems than its worth.

Direct link | Posted on Nov 4, 2014 at 18:09 UTC
On Accessory Review: LaCie Rugged Thunderbolt article (39 comments in total)

I've owned a few lacie ruggeds over the years. I still buy them because they're the least worst among the rugged sector. They will inevitably fail after awhile though. It's always been the connection circuitry and not the drive inside. You can open the case, remove the drive and attach a USB->SATA converter and keep using it.

I once kept a drive going for a year doing this.

Direct link | Posted on Oct 17, 2014 at 18:26 UTC as 11th comment | 1 reply
On Drobo launches Mini with 8TB pre-loaded article (40 comments in total)
In reply to:

DeanAllan: Firstly, from what I can see here, the most vocal ones unfortunately, does not seem to understand what backup and raid means.

In simple terms, backup means you have a copy of the data file located in another location.

If you keep all your files in a storage box, be it a Drobo, Synology or even souped up NAS running on ZFS that you built yourself, that is not a backup solution. You have simply built a storage box.

Some might point up "but I have raid with raid 10 and 8 disks" etc, etc. Guess what? Raid (RAID) is not backup. It provides redundancy, that is what the 'R' stands for. It allows you to continue operating while you get the faulty part replaced. This is useful for those who have datelines to meet and answerable to clients.

If you don't have large amounts of data, DVDs are a good archiving choice. I used to use Taiyo Yuden discs. They'll last a long time in box storage, are reasonably durable and if one disc goes bad (so far hasn't happened to me with the Taiyo's) the rest are fine.

Recent computers often don't come with dvd drives, but you can get an external USB version for about $25 from Amazon. It should function for many years into the future.

Online storage is good too, but if you forget to pay the bill or some issue occurs, you may find yourself without an archive.

Direct link | Posted on Oct 8, 2014 at 00:20 UTC
On Drobo launches Mini with 8TB pre-loaded article (40 comments in total)
In reply to:

The Squire: Maybe Drobo were unreliable. Maybe they're better now. Maybe they're not.

It doesn't matter.

The fact is that hardware fails. All HDD fail *eventually*. Motherboards, disk controllers, all fail. I've experienced them all myself.

When stuff fails the last thing you want is a *proprietary* piece of hardware like Drobo. It makes recovery of data and getting back up and running much slower and expensive.

I wont touch a system like this unless I know I can pull out one of the HDDs, stick it in a generic Sata-to-USB chassis, and access all of my file on any computer in about 2 minutes.

I use a simple 2 drive enclosure that mirrors the data. If it fails, I can pull either of the NTFS formatted drives out and simply copy it onto a new system.

Direct link | Posted on Oct 7, 2014 at 15:15 UTC
On Drobo launches Mini with 8TB pre-loaded article (40 comments in total)
In reply to:

Damien Demolder: Drobo isn't getting great comments here! Has anyone else had issues with their products? Who makes the best storage systems?

I would recommend any that doesn't use a proprietary system of storing data. Same goes for backup software. Should the system itself fail, or the company stop support, you should be able to recover the data in another way.

This is the first question I ask when looking at storage and backup solutions: how's the data stored?

Direct link | Posted on Oct 7, 2014 at 14:51 UTC
On Nikon D810: What You Need to Know article (142 comments in total)
In reply to:

KW Phua: From the improvement on D810, we can confirm that D800/E have certain defects by design. The improvement is actually the correction. Luckily, Nikon not using sensor stabiliser. The vibration caused by the shuttle will also vibrate the sensor. This is a good learning cure for all Camera manufacturers when designing hi MP camera. Too bad, we have to pay for their mistake.

The D800's mirror slap is waaay less than the D3's was. I was always fighting mirror shake with in the studio with my D3.

Direct link | Posted on Jun 27, 2014 at 16:03 UTC
On Nikon D810: What You Need to Know article (142 comments in total)
In reply to:

Nukunukoo: I don't get it. With or without an OLPF is a binary thing: you either have it or not. It's like saying a woman became "slightly" pregnant! So all this while that we have been hearing that the D800e has no OLPF, it actually has and the "effect" is created automagically? So does that mean that the D7100 without the OLPF will suddenly be like the D800e when the D7200 comes out? Kindly clarify.

OLPF's don't actually remove information (light, in this case), they spread it out slightly so its less likely to create moire. That's why the inverse method worked - it could refocus the light back to its original configuration, although there would be a slight margin of error surely.

Direct link | Posted on Jun 27, 2014 at 15:12 UTC
On Nikon D810: What You Need to Know article (142 comments in total)
In reply to:

Jim F: Excuse me folks, but could someone explain what a zebra stripe display option (mentioned in shooting video live view) is? Not sure I'm following this.

Highlights that are close to clipping are displayed with a zebra stripe pattern over them. Makes it easy to discern what is merely bright, and what is actually clipping.

Some cameras let you configure the level the stripe appears at so you can consistently set highlight brightness for things like faces.

Direct link | Posted on Jun 27, 2014 at 15:09 UTC
On Nikon D810: What You Need to Know article (142 comments in total)
In reply to:

JKP: Has enyone figured out, what specifically Nikon means when that say D800E has effects of AA filter 'canceled', while 810 has it entirely left out? What is the difference between the two cameras?

To keep the optical path the same length as the D800 (which had a low pass filter), the D800E needed to use a somewhat complicated system: https://www.nikonusa.com/en_INC/IMG/Images/Learn-Explore/Camera-Technology/D-SLR/2012/Moire-D800-D800E/Media/OLPF_schematic.pdf

If they had left it out of the D800E entirely it would have required a number of manufacturing line changes and different calibrations that would have made it cost prohibitive for the smaller run of D800E's.

Since the 810 is only offered in one configuration, there's no need for the complexity. The D800E does exhibit moire in some instances, which are correctable in post, but I'm thinking this new processor likely does some moire reduction on chip.

Direct link | Posted on Jun 27, 2014 at 14:54 UTC
On ThinkTank introduces new 'Airport Roller Derby' bag article (13 comments in total)
In reply to:

Dov Isaacs: Generally, US airlines allow 22"x14"x9" (or 45 linear inches for all three dimensions) for carry-on although on so-called regional aircraft, you often cannot fit something that large on-board and it much be checked at the gate (and returned at the gate when you disembark). That could be very problematic for sensitive and valuable equipment.

The problem is international where there are some airlines with very restrictive carry-on policies where the maximum dimension may be less than 22" (often 21" or 21.7") and with draconian weight restrictions (such as 8 to 10kg) which are very strictly enforced. This case by itself is about 5kg which doesn't leave much capacity for heavy cameras, lenses, and computer equipment.

Yep.. as nice as it would be to have the laptop in the same bag, if you carry a pro-sized camera (or one with a vertical grip attached) it makes for an outsized case that can stretch past 9" and hits weight limits easily. I keep the laptop in a separate shoulder bag to avoid problems.

Direct link | Posted on Jun 17, 2014 at 21:38 UTC
On Adobe teases new 'Focus masks' feature article (58 comments in total)
In reply to:

TLD: It's a nice idea, and one I suspect was not to hard to code, but in real world terms it is not super useful, because the shallow DoF images the feature will work on already respond really well to Refine Edge. I think it will be a slight time saver though, and that is always welcome.

Call me sad, but I am like a kid on Christmas eve waiting for the full announcements on the 18th :-) (I have a full CC subscription)

If you look closely, Refine Edge is still used. This provides a quick way to knock out a complex background with differing shapes of light and color. Compare with Quick Select, where you'd have to do a lot of dragging the mouse around, and refinement especially if your subject has similar colors to part of the background.

Direct link | Posted on Jun 12, 2014 at 03:02 UTC
On Adobe teases new 'Focus masks' feature article (58 comments in total)
In reply to:

ManuelVilardeMacedo: Excuse me if I sound profoundly naïf, but isn't it much more fun to do with the lens? I mean, once you've mastered the technique?
I do agree with the commenter below who deemed this as a 'bone-tosser'.

You're not understanding what this tool does. It makes a selection in Photoshop (more precisely, a mask) based on whether or not the area is "in focus".

To save time in Photoshop, a retoucher makes a selection based on how an area stands apart from the other pixels in an image. Contrasting lines, color ranges (for example, choose blue areas to select a sky) are just a couple of them. This adds focus to that toolbox.

So if you have a subject in front of a busy out of focus background, this will speed up the task of isolating that subject. Before, you'd might use the quick select tool, but would end up doing a lot of refinement to select just the subject and not bleed into the background, especially if they were of similar color in places.

Direct link | Posted on Jun 12, 2014 at 02:57 UTC
On Adobe teases new 'Focus masks' feature article (58 comments in total)
In reply to:

Jogger: Im surprised this is just being developed now. The underlying algorithms are probably similar to focus peaking.. with the added step of creating the selection mask.

I've found the focus mask in C1 to be nearly useless, at all settings in the preferences. Perhaps it works better with some cameras than others.

Direct link | Posted on Jun 12, 2014 at 02:48 UTC
In reply to:

Frank_BR: Ove Bengtson, Hasselblad Product Manager said: "… This CMOS sensor model represents a major leap forward in camera development and breaks new grounds for medium format photographers…"

It sounds almost ridiculous when someone says in 2014 that CMOS sensor is a "major leap forward in camera development". In 2000 the Canon D30 already had a CMOS sensor! That is, the sensor technology of medium format is lagged 14 years compared to other formats. The technology in the MF field develops so slowly that in 2028 Hasselblad (if it survives until then) will be bragging that its MF cameras can shoot 1080i video…

CCD has previous had the quality advantage and more dynamic range. In MF digital quality was always consideration #1 above all else. Recent generation CMOS narrowed this gap, but there was still the problem of making large CMOS chips - it was prohibitively expensive to mass produce.

The breakthrough here is in the chip fab lines and material science that increased the yields of large sensors enough that they can be priced at something the larger market will bear.

Direct link | Posted on Mar 5, 2014 at 01:00 UTC
In reply to:

marike6: These updated 190 series look quite nice actually. I'm using a Benro CF Travel Angel now that is just great but I do occasionally miss the quick locks of my Manfrotto 3021 which are faster to set up than Gitzo style twist locks.

The only drawback of the 190 series is that most of them only supports 11 lbs considerably less than my current tripod.

The 055 series supports a little over 17 lbs. It's pretty much the 190 series beefed up a little, and thus a little more expensive. I wonder if this line is also being updated? I'm in the market for new legs and like these new locks.

Direct link | Posted on Oct 7, 2013 at 22:20 UTC
In reply to:

VadymA: I was surprised to see how aged their equipment is; by the look it is probably from the 80's. No wonder they have to test every lens. Still koodos to Sigma for producing some nice lenses on such dated equipment.

These machines look plenty modern and in excellent condition.

Machine tool manufacturers produce in low volume and so re-use as much as they can from one generation to the next. The business end of things, the software controllers and actual tooling are where development takes place, while things like the outer casing and attachment points might be the same as it was 25 years ago because there's no need to spend an engineer's time on that.

Direct link | Posted on Sep 24, 2013 at 02:22 UTC
In reply to:

Sad Joe: Well well, back in the early 1980's when I used to work in the camera trade (Tecno cameras) Paul Bird & I discussed the possibility of camera shutters being produced from LCD panels - so they could be switched on and off REALLY quickly - well 30 years later we have a sort of shutter arrangement via LCD - of course back then AA filters, sensors and digital were totally unknown...every idea has its day......

Sinar has had something like that for awhile now for technical cameras. About a decade ago I worked with a Sinar digital back that used an LCD shutter to allow an early form of live view.

Direct link | Posted on Aug 30, 2013 at 20:27 UTC
In reply to:

TakePictures: What you see a lot on photo sites like dpreview are endless sequences of beautifully shot clichés (birds, bees, flowers, cats, grainy B&W portraits with shallow DOF, gloomy street shots, overprocessed HDR shots, oversaturated landscapes, etc.). I don't see too many clichés in this gallery. I guess that's the difference...

(By the way, I'm a cliché photographer myself and my greatest ambition is to shoot something more inspiring. Long way to go.)

You've got it. This isn't a competition in the typical sense of the word, but rather meant to put the spotlight on artists who are making an impact on the "higher" end of photography.

In that world, which is miles from dpreview, cliches and pretty pictures hold no cachet. Anyone can learn to make a pretty picture. It is instead about concepts and work that may be of interest to professional editors, advertising producers and gallerists.

I am an ad and editorial photographer with a number of national titles and brand campaigns. Photography has earned me a pleasant living - but I started out shooting cliches and pretty pictures too. Broaden your horizons and keep on working. Keep it interesting.

Direct link | Posted on Mar 10, 2013 at 17:07 UTC
On Phase One releases Capture One Pro v7 article (99 comments in total)
In reply to:

Jefftan: http://www.phaseone.com/en/Downloads/Capture-One-7.aspx

Anyone know why only 64 bit version is available?
thanks

Software maintenance on legacy hardware has an overhead cost. A 32 bit computer is an old computer. 64 bit has been common for several years now.

Direct link | Posted on Oct 29, 2012 at 23:39 UTC
Total: 28, showing: 1 – 20
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