Richard Butler

Richard Butler

DPReview Administrator
Lives in United Kingdom Seattle, United Kingdom
Joined on Nov 7, 2007

Comments

Total: 5478, showing: 1 – 20
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On article 2017 Buying Guides: Best cameras for any budget (28 comments in total)
In reply to:

RPJG: DP Review really needs to change the way they review and recommend cameras.

In this case, it shouldn't be "best cameras for any budget", it should be "best cameras for any requirement". OK, maybe "...for any requirement/budget".

It's hopeless to rate and recommend cameras without reference to what it will be (mainly) used for, e.g. sports, landscapes, portraits, everyday/family,etc.

We already have a page in each review that looks at how well it performs in a variety of use-cases but a score that varies by use-cases is on its way.

Link | Posted on Nov 24, 2017 at 04:20 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

FOTONOTO: How much FPS does it do AF/AE detection?
A9 does 60FPS, which means the camera does 3 times AF detection between the shots to make sure the focus is nailed if you're shooting at 20FPS.
How about A7R3? Is it 10FPS? Or maybe 16FPS? Can't find anything about it anywhere.

We asked Sony at the launch. They wouldn't give a comparable number for the a7R III.

Link | Posted on Nov 23, 2017 at 15:21 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

a777: Review is good, and done quickly. But I still have feeling, that older reviews were more extensive, more detailed, polished. May be I read not carefully, but what about electronic shutter in mark3? Improved? What's sensor read speed? 1/13? Can't see any examples neither in gallery, nor in studio comprasion. RAWs are lossless? (except for star eater). Not compressed still? Where is performance timings table? Shutter count not given by manufacturer? Again, why using compressed images for RAW section of studio comprasion?

Raws are either lossy compressed or totally uncompressed. The images in our test scene are based on the uncompressed files.

Link | Posted on Nov 23, 2017 at 15:19 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

Jefftan: when one is using "lock on AF" in AF area should one use
"wide" or specify an area like "center"

I always use wide and don't know if it is correct

If I choose "center" do I have to keep moving to camera to position the subject in the center
or don't need to because the camera will track the subject even if it is off center area?

Anyone know? Thanks

The Lock-On versions of each area mode attempt to recognise their subject then follow it (so you don't need to move the camera, or can move the camera to improve the composition).

The choice of Wide or Center area defines where the camera looks for that initial subject.

Link | Posted on Nov 23, 2017 at 15:16 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

MyLifeUncut: In section 6: "Features" of the review there is a paragraph titled "HLG Mode as a hack for perfect Raw exposure", which I read with great interest.

My problem / question: If I choose a picture profile and set gamma to "HLG" in that profile, I can no longer choose ISO 100 (= base ISO), only ISO 125 and up. In the review it reads as if this "hack" had the sole purpose of finding the perfect exposure without altering the way in which the RAW file is captured. This would be great -- but does not seem to be the case if I can only chose ISO 125 and up. Can anyone clarify?

That's something we should have made clearer in the review. ISO can change if your tone curve is a different shape, even if the level of amplification being applied stays the same.

We've shot HLG ISO 125 and Standard ISO 100 files alongside one another and the Raw data appears identical. In other words, HLG ISO 125 appears to be genuinely base ISO, not 1/3EV above.

Link | Posted on Nov 23, 2017 at 14:09 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

everybodyisone: "A7R2 4K/30p 1080/120p" It seems a typo unfortunately... AFAIK 720/120p

It's definitely 1080/120p: there's an example clip on the video page.

Link | Posted on Nov 23, 2017 at 05:58 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

zeratulmrye: I'm curious about how the af performance stand against D850

Carey's probably better-off than me to answer that question. It's also likely to depend on what you're shooting.

Link | Posted on Nov 22, 2017 at 23:31 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

learningthegame: If this only had the colors, skin tones, I see from Canon it would be perfect for what I want. I’m not trolling, I am currently debating on getting my first ff & it’s between this and the Mark 4. Such a hard choice, I really love everything about this camera and the available quality lenses gets better each day. The D850 looks great as well, just not what I want or need.

We provided the images on which we assessed the camera and they show the ways in which the 6D II falls behind its contemporaries. Those findings are consistent with DxO's.

Our review made clear that Dual Pixel improves the camera over its predecessor but Raw quality (particularly in terms of DR) and video performance are significantly behind its peers.

You liking the camera more than we did doesn't justify your insinuations of corruption.

Link | Posted on Nov 22, 2017 at 22:45 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

Trued1: DPreview comparison score with a7rII shows 90% Gold score for II and III. Looking att the bar graphs they differ a lot. I do not follow this, place explain.

The big differences are in the factors given least weight by our scoring system (value is a personal decision, build quality and ergonomics are the least objective of our assessments). Image quality makes up the bulk of the score and both cameras are very good in this respect.

Link | Posted on Nov 22, 2017 at 21:30 UTC
On article The Leica CL is (almost) what the TL should have been (388 comments in total)
In reply to:

Biowizard: SERIOUS TECHNICAL POINT: quote "... 18mm F2.8 pancake, ... and the ~F4 aperture (in 35mm terms) limits ..."

No, the F rating does NOT undergo some weird "crop factor" division. F2.8 is F2.8, and never F4 or F anything else. Because it's a ratio of Focal Length divided by Lens Optical Diameter, and has nothing to do with frame size.

Jus' sayin'

Brian

And is pixel performance the best or only way to compare two sensors with radically different pixel counts?

If a 42MP sensor's pixels perform less well than the larger pixels of a 12MP sensor, but perform in direct proportion to the different pixel counts, which is better? The 12MP sensor with it's 'better pixels' or the camera with more image detail, whose high ISO images look the same if printed at the same size?

Link | Posted on Nov 22, 2017 at 21:21 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

zeratulmrye: I'm curious about how the af performance stand against D850

It very much depends on what aspect of autofocus you're looking at. Eye AF is hugely powerful but subject tracking is less good (though D850 isn't sports camera level, either).

Link | Posted on Nov 22, 2017 at 21:16 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

Anadrol: Needs much better weather sealing for A7R4 !

I love the size of the A7 series but I'd prefer a camera a bit bigger that resists a minimum to rain.

"*Remains to be seen*" is the key concept.

This camera shares its body with the a9: Sony's pro sports model. As yet, we don't simply don't know to what degree it's been improved.

Link | Posted on Nov 22, 2017 at 21:07 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

Daryoush: I was still convinced that dpreview works independently. Til today. How is it possible, that a7rII and a7rIII both get the same score? Same sensor, plus salvation in all areas, af, speed, battery, ....
I just do not believe it. I do not believe you anymore either.
Is it about sony not allowed being better than nikon?

The world moves on, cameras have to keep up with their peers just to get the same score. (Our scoring system doesn't have a category for battery life, so that's not factored in, by the way).

There is no consideration of brand when it comes to scoring. The a7R III scored fractionally more than the D850, I think. If you use the score comparison tool, you'll see that the areas in which one camera beats the other are consistent with the performance detailed in their respective reviews.

Link | Posted on Nov 22, 2017 at 20:57 UTC
On article The Leica CL is (almost) what the TL should have been (388 comments in total)
In reply to:

Biowizard: SERIOUS TECHNICAL POINT: quote "... 18mm F2.8 pancake, ... and the ~F4 aperture (in 35mm terms) limits ..."

No, the F rating does NOT undergo some weird "crop factor" division. F2.8 is F2.8, and never F4 or F anything else. Because it's a ratio of Focal Length divided by Lens Optical Diameter, and has nothing to do with frame size.

Jus' sayin'

Brian

It's better at the pixel level because it has bigger pixels but when you assess the whole image at a common size, much of that difference disappears.

Link | Posted on Nov 22, 2017 at 19:11 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

Anadrol: Needs much better weather sealing for A7R4 !

I love the size of the A7 series but I'd prefer a camera a bit bigger that resists a minimum to rain.

What data are you using to reach your conclusions about the a7R III not being good enough?

Link | Posted on Nov 22, 2017 at 19:08 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

Waldo Nell: Not wanting to start a war - but why does the Canon not get a green box for resolution in the specs compared table, since 50 is more than the others? Seems like unneeded Canon bashing. Not that 50MP is significant, just feels weird that it was not marked as such.

Historically we've tended not to assume everyone necessarily wants more pixels, so don't mark that parameter up or down.

Link | Posted on Nov 22, 2017 at 19:07 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

PremiumBitter: Can the battery be charged, in-camera, via the USB-C port? The review seems to indicate "yes", but I've heard it can only maintain power (and not charge) in other reviews. Trying to eliminate my need for dated micro-USB cables!

It definitely does charge: I've been swapping between charging my laptop and the a7R III over a USB C lead as I wrote my bits of the review.

Link | Posted on Nov 22, 2017 at 19:06 UTC
On article The Leica CL is (almost) what the TL should have been (388 comments in total)
In reply to:

Biowizard: SERIOUS TECHNICAL POINT: quote "... 18mm F2.8 pancake, ... and the ~F4 aperture (in 35mm terms) limits ..."

No, the F rating does NOT undergo some weird "crop factor" division. F2.8 is F2.8, and never F4 or F anything else. Because it's a ratio of Focal Length divided by Lens Optical Diameter, and has nothing to do with frame size.

Jus' sayin'

Brian

The a7S II and a7R II were among the first Sony chips to use a dual gain design, so outperform the oddly underperforming a7 II.

Generally (with the possibility of differences of specific sensor performance playing a role), you only need to specify the same viewing size (such as our compare mode), rather than worrying about pixel counts.

Link | Posted on Nov 22, 2017 at 18:31 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

FlyinDoc: Sorry for being a pedant, but on Page 3: "Each of these three presets can be user defined, with a choice not only over the values of each setting but also over which camera functions are affects." Surely that is affected, not affects?

Also on Page 3: "that leaves your exposure settings along and jumps to Wide AF area mode and AF-C, so you can be prepared if something unexpected happens away from your chosen AF point." Think that is alone, not along.

Again on page 3: "These sets of parameters can then be assigned to any of three position on the mode dial." Positions not position.

That's useful feedback. Thanks.

It's hard to edit your own text, so this page is likely to be the one with most errors.

Link | Posted on Nov 22, 2017 at 17:40 UTC
On article Sony a7R Mark III review (686 comments in total)
In reply to:

ewelch: And you don't even bother to address weather sealing? At least in a way to track it down without reading the whole thing. That is what's keeping me away from Sony. My Canon 1Dx and Olympus OMD E-M1 Mark II make Sony look like a toy because of this one issue.

The a7R III has the same, 'weather sealed' body as the a9. There's no way of knowing how effective it is until a large number get subjected to repeated real-world use.

Testing weather sealing would require testing multiple samples to destruction, so isn't really practical. The port doors don't exactly look water-tight to me, but I've no idea whether that's a common failure mechanism.

Link | Posted on Nov 22, 2017 at 17:35 UTC
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