ray tracer

Joined on Feb 3, 2014

Comments

Total: 23, showing: 1 – 20
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'Pro'? It died for me when I encountered the Oral-B Pro electric toothbrush. 'Professional tooth cleaners? 'Are there such people? Is there a League in which these people compete? Jumped the shark completely. Ever since, anything with the 'Pro' label on it sends my bullshvt detector off scale.

Link | Posted on Oct 29, 2019 at 05:07 UTC as 171st comment | 2 replies
On article Olympus 12-200mm F3.5-6.3 pre-production sample gallery (143 comments in total)
In reply to:

Hungryloon: What we need is a side by side comparison with the 12-100 f/4, its obvious competitor for a travel all-rounder, through the relevant range. To be able to do that, we need to know how quickly the lens stops down when zoomed in. The only images at f/3.5 are shot at 12mm, so we don't know how quickly the lens shoots past f/4. Also, we need shots of the same scene taken with both lenses. Only then can you decide whether the tradeoff (if there is one) to get the extra 100mm of focal range is worth it. Given the price point of both lenses, it should be a close call.

A more direct comparison candidate is probably the current Olympus travel zoom, the 14-150mm, currently available for ~USD600. What do you get for extra $300, and compared to the 14-150, does it sacrifice quality for zoom length?

Link | Posted on Feb 14, 2019 at 05:14 UTC

So, if Adobe can develop AI that recognises tampering, surely it is possible to devise AI that identifies and then 'disappears' the artifacts of tampering.

This would be invaluable for any person or organisation using images as part of the fake news they were spreading. I'd expect that certain intelligence agencies already have this capability.

Link | Posted on Jun 27, 2018 at 06:34 UTC as 11th comment | 1 reply

Is the jet water alone, or does the jet contain abrasive?

Link | Posted on Nov 14, 2016 at 05:29 UTC as 17th comment | 1 reply

Getty about to throw LCS overboard?

Link | Posted on Aug 2, 2016 at 06:09 UTC as 39th comment

Think of it as an Android equivalent of an iPod Touch, with a quality camera ... or as a quality camera with iPod touch-like capabilities.

Link | Posted on Jan 20, 2016 at 05:47 UTC as 41st comment
On article GoPro's poor holiday sales lead to staff layoff (114 comments in total)

Peak GoPro?

Link | Posted on Jan 18, 2016 at 05:43 UTC as 13th comment
In reply to:

ray tracer: Ah nostalgia! Student days taking schlieren images of wedge profiles in a shock tube, then off to the darkroom to process our 35mm film.

Hi Paul- we must be about the same vintage, but I was in Canberra.

Link | Posted on Aug 31, 2015 at 09:40 UTC

Ah nostalgia! Student days taking schlieren images of wedge profiles in a shock tube, then off to the darkroom to process our 35mm film.

Link | Posted on Aug 28, 2015 at 11:59 UTC as 13th comment | 3 replies
In reply to:

Ben O Connor: Such an amazing jail that would be ;Pluto ! Even reaching there take a decade ! Load all the b....rds in to a space module, which would take them there and dump once for all !

What you are suggesting sounds like the 'B-Ark' in Douglas Adams' Hitch-hikers Guide to the Galaxy ...

Link | Posted on Jul 22, 2015 at 07:02 UTC

Interesting concept. My guess is that it will take some time (and a few updates) to find its niche. Technology often ends up being used in ways that the designers (and initially intended market) didn't foresee.

How many people do you remember whose reaction, when confronted with their first mobile phone with a primitive camera, was along the lines of 'what the heck do I need one of those for?' and then the cameras improved, and then along came Facebook and Flikr.

Anyone who's cursed their iPhone for its limited low-light capability could see the potential for this device- at the right price.

I still remain to be convinced about the design of the Lightning connector- is it supposed to separate before it could put a damaging load on the iPhone's socket? I hope so.

Link | Posted on Jun 19, 2015 at 09:23 UTC as 47th comment

Creepy. Reminds me of the Tom Lehrer song 'I hold your hand in mine' (but with gender roles reversed)

I hold your hand in mine, dear,
I press it to my lips.
I take a healthy bite
From your dainty fingertips.
My joy would be complete, dear,
If you were only here,
But still I keep your hand
As a precious souvenir.
The night you died I cut it off.
I really don't know why.
For now each time I kiss it
I get bloodstains on my tie.
I'm sorry now I killed you,
For our love was something fine,
And till they come to get me
I shall hold your hand in mine.

Link | Posted on May 4, 2015 at 09:02 UTC as 53rd comment
On article More things we found cut in half (CP+ 2015 edition) (135 comments in total)

More of these please! They are a valuable reminder of the complexity inside modern cameras.

Link | Posted on Feb 16, 2015 at 07:53 UTC as 23rd comment
In reply to:

Marty4650: Superzoom lenses are notorious for their mediocre image quality, and this lens is no exception. Sure, they are convenient, because you "never have to change lenses." But if that was your goal, then why did you buy an interchangeable lens camera?

Two cheap kit lenses do the same job better, and cheaper. I just don't get the point of these lenses.

Anyone who has a lens changing phobia should just buy a Panasonic FZ1000 and call it a day.

I use an Oly 14-150 as my default lens for traveling, because I'm usually traveling in windy dusty places, where changing lenses is best avoided, or at least minimised. Also means that I'm less likely to miss those once-in-a-lifetime shots because I've fitted the wrong lens.
I'd rather get the stand-out but less than perfect shot than miss entirely. But I stick with the Oly because there are other times when I want to use other lenses. And because the FZ1000 is not exactly a small camera ...

Link | Posted on Jan 19, 2015 at 07:58 UTC
On article Olympus OM-D E-M5 rumored to be out of production (209 comments in total)
In reply to:

Marty4650: The problem for Olympus is the EM5 is almost three years old now, and is still one of the finest MILC cameras you can find. And as each day passes, they have to sell them for less and less.

So the obvious solution is to create a replacement model, with WIFI and a better EVF, with everything else the same, then ratchet the price back up to $999 again, for another three years.

Spot on, Marty. Olympus are responding to commercial pressure to continually have something new in the marketplace, rather than actual technical issues. The market has grown to expect a major new model every 12 months or so, and that's what Oly are providing.
linux99's comment, 'my OM-D is still a far far better camera than I am a photographer' applies to me as well, so I can't justify an upgrade. However, my ZX-2 wielding wife has been borrowing my EM-5 a lot recently, so she might need a new model EM-5 II of her own ...

Link | Posted on Nov 15, 2014 at 05:52 UTC
On article Photokina 2014: Olympus stand report (75 comments in total)
In reply to:

Mudblood: Olympus is so adorable lately :O

Orange body reminds me of my old Nikonos V. Ah, happy days cleaning o-rings ...
Sand, salt water, and silicon grease are an evil combination.

Link | Posted on Sep 19, 2014 at 09:35 UTC
On article Cold War camera: 1950s Berlin in color (part 1) (119 comments in total)

Barney- thanks for posting these on DPreview- doesn't matter that you've posted them in other places too.
Why post these old pics on a photography site? because it's a reminder that the photographs we take of everyday subjects can take on different meanings after (and long after) we take them.

I'm sure I'm not the only one who has walked past a familiar building that was recently demolished, and wished I'd taken a pic or two of it as it was.

Link | Posted on Sep 2, 2014 at 10:45 UTC as 18th comment | 1 reply
In reply to:

camcom12: This release makes me believe Tamron might have been the contract developer for the original Oly 14-150mm u4/3 lens, and the exclusivity clause expired, or the market for u4/3 10X zooms is on fire, so Tamron is simply capitalizing on it. Methinks the former is more plausible. Unless this iteration has amazing IQ somehow, what's the attraction here?

Unlikely. The Oly construction is described as 15 elements in 11 groups, compared to the Tamron which is said to have 17 elements in 13 groups.
The Tamron has a 52mm filter thread, whereas the Oly 14-150 has a 58mm thread. Both have a diameter of about 64mm.

Link | Posted on Jun 21, 2014 at 08:43 UTC
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