Richard Butler

Richard Butler

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

Comments

Total: 5955, showing: 1 – 20
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On article Sony a7R Mark III review (1225 comments in total)
In reply to:

HenryDJP: Hilarious! On the list of CONS, it says "No Playmemories app Support". As far as I'm concerned that's a huge plus. The desktop version as well as the app in my Sony A6300 is absolutely atrocious. Sure it "WORKS", but it's obvious to the most computer/camera illiterate that it's a poorly written app. Sluggish performance, not 100% reliable, and the setup could be a lot simpler. Until Sony gets it's act together with Playmemories, I have removed it from my MacBook and I don't even use the Smartphone control feature.

It's support for the in-camera apps that have been removed.

Link | Posted on Mar 30, 2018 at 17:31 UTC
In reply to:

captura: When will Sony filter this new sensor technology over to the Axxx series cameras?

BSI [significantly pre-dates the NX1](https://www.dpreview.com/articles/4281372431/sonycmos).

Even at the time Sony said that most of the efficiency benefits were in (very) small pixels in (very) small sensors.

Link | Posted on Mar 23, 2018 at 20:04 UTC
In reply to:

rmexpress22: This article convinced me to switch to Sony so that I can make high-quality charts.

/sarcasm

We tend to find the results from our charts correlate pretty well to real-world use, or we'd not bother shooting them.

But nothing about them is designed to convince anyone to take any specific action, they're intended only to provide information about camera performance.

Link | Posted on Mar 23, 2018 at 18:47 UTC
On article Fujifilm X-H1 Review (1469 comments in total)
In reply to:

Ebrahim Saadawi: Great, great camera, yet the price, considering the release of the Full-frame Sony A7 III, is a bit high.

The a7 sensor underperforms while the a6500 (and X-T20, since it's likely to be essentially the same sensor) performs very well. This will narrow the 1.3EV gap in terms of the difference in total light they get.

Light per unit area is the same at matched exposure but if two sensors have different areas then they get different amounts of total light. And total light available to the sensor, with some correction for how efficient the sensor is, is pretty much the best predictor of noise/IQ.

Though it's worth noting that small sensors tend to be more efficient, since they tend to have more advanced technology than large sensors (which inherit older technologies as the fabrication lines are replaced with finer-scale ones for the next-gen of smartphone sensors). Large sensors can get away with being a bit more wasteful of light.

Link | Posted on Mar 23, 2018 at 00:20 UTC
On article Sony a7 III studio scene published (471 comments in total)
In reply to:

Rick Knepper: Here's what I do not understand about the DPR studio comparison methodology and the consumers of said comparison. Unless this is a system to system comparison, using different lenses does not really provide accurate insight. Especially with Canon, Nikon and Sony, there are plenty of 3rd party lens makers producing the same lens on different mounts.

Can't Mr. Bezos peel off a few bills from his coffee money to bolster the DPR budget?

All the lenses we use are very sharp at F5.6 in the center. If you see significant difference in sharpness/detail at the edges that aren't present nearer the centre, then it's likely to be a lens difference, but the difference in good primes stopped-down are not huge.

Link | Posted on Mar 22, 2018 at 20:10 UTC
On article Sony a7 III studio scene published (471 comments in total)
In reply to:

Jonathan Brady: Do you guys think any work got done at Sony's headquarters when the image quality tests started coming out from the Canon 6D Mark II, or did the overwhelming chorus of laughter keep them distracted all day?

**Joed700**: Are you using an Apple computer with a 'Retina' screen, or its equivalent?

Our site shows 100% crops (ie: a 1:1 relationship between the pixels in the file and the displayed image), if you're seeing them magnified, that's something occurring at your end.

Link | Posted on Mar 22, 2018 at 17:56 UTC
On article Sony a7 III studio scene published (471 comments in total)
In reply to:

Rick Knepper: Here's what I do not understand about the DPR studio comparison methodology and the consumers of said comparison. Unless this is a system to system comparison, using different lenses does not really provide accurate insight. Especially with Canon, Nikon and Sony, there are plenty of 3rd party lens makers producing the same lens on different mounts.

Can't Mr. Bezos peel off a few bills from his coffee money to bolster the DPR budget?

On the previous two occasions we've tested the use of a single lens design across multiple systems, we've found more inconsistency than with our current system (there's also the issue of which focal length to use: a 50mm is longer than we want for Four Thirds sensors but shorter than ideal for full frame).

On the basis that most people use own-brand lenses on their cameras, using a good, sharp, consistent lens stopped down to F5.6 on all systems seems like the most real-world relevant answer (since all answers have their pros and cons).

Link | Posted on Mar 22, 2018 at 17:44 UTC
On article Sony a7 III studio scene published (471 comments in total)
In reply to:

nickolas84: Please put it also on the video version of the studio scene!

We certainly will.

Link | Posted on Mar 22, 2018 at 05:55 UTC
On article Sony a7 III studio scene published (471 comments in total)
In reply to:

steelhead3: All cameras that have pixel shift on this static scene have it turned on or were the cameras handicapped?

It seems you only get the drop-down in Raw mode, since the camera can't output Pixel Shift JPEGs (it actually can't combine the Raws, either: you have to combine them yourself on a computer).

Link | Posted on Mar 21, 2018 at 17:42 UTC
On article Sony a7 III studio scene published (471 comments in total)
In reply to:

steelhead3: All cameras that have pixel shift on this static scene have it turned on or were the cameras handicapped?

No. All cameras are shot in single shot mode.

There's a pull-down to select Pixel Shift mode for those cameras that have it.

Link | Posted on Mar 21, 2018 at 17:29 UTC
On article Sony a7 III studio scene published (471 comments in total)
In reply to:

crashpc: I see no specific aspects from which I could believe there is certain type and strenght of the AA filter. Where this claim came from?

The level of moiré in the Siemens Stars targets and the degree to which it's symmetrical give you a clue. Forum member Jack Hogan then performed an analysis of the slanted edge targets in our scene, which show lower response at high frequencies in the horizontal direction.

Link | Posted on Mar 21, 2018 at 17:28 UTC
On article Sony a7 III studio scene published (471 comments in total)
In reply to:

Jonathan Brady: Do you guys think any work got done at Sony's headquarters when the image quality tests started coming out from the Canon 6D Mark II, or did the overwhelming chorus of laughter keep them distracted all day?

**Yake**: There's a lot of evidence to point to the Nikon D850's sensor being a Sony (appearance of the chip, dual gain design) and no credible source for the TowerJazz rumour.

**Roland Shulz**: The light level has been reduced for the 6D II (indicating it is a manual process that sometimes gets forgotten but we shoot Raw images with the same total exposure: Illumination Level + Aperture + Shutter Speed for each ISO setting).

**PWPhotography**: Our low light scene uses an extremely low light level. It's not 'simulated.' Except at very long shutter speeds, there's virtually no difference between reducing lighting level and exposure (both mean the sensor only has access to a limited number of photons). This method is far more consistent that trying to filter or darken a light source, which would be very hard to do consistently and risk spectral/WB shifts.

Link | Posted on Mar 21, 2018 at 17:21 UTC
On article Panasonic Lumix DC-GH5S Review (589 comments in total)
In reply to:

trmgkl: Can someone explain me how this camera have 'oversized sensor' when in all the specs sheets it says the sensor is 17.3mm x 13mm? It's regular m43 size. If the resolution is 3680 x 2760 then how is it possible to capture DCI material with resolution of 4096 x 2160? We need like 416 more pixels on the long side.

I am very curious.

I can assure you that's not the case. Mount the same lens on GH5 and GH5S and the 's' will give you a wider field-of-view when you switch to video mode.

Link | Posted on Mar 21, 2018 at 15:23 UTC
On article Fujifilm X-H1 Review (1469 comments in total)
In reply to:

cesjr: Fuji user here wondering if I should switch to Sony. But not sure about a couple of my use cases. One is I use my 18-135 a lot for travel, hiking, outdoors, family shots outside. The Sony 24-240 is a lot heavier and presumably larger and does not appear weather sealed which is critical for me.

Also telephoto for kids sports. I use the 50-230 (350 equivalent), but am looking at the 100-400 as the soccer fields get bigger. Sony’s 70-300 would not give me any more focal length and is much more money and weight and bulk. The Sony 100-400 is somewhat more expensive than the Fuji 100-400.

maybe I’m wrong but FF EV advantage does not seem that relevant outdoors in normal light? iI’s a stop or so faster at the same aperture but that’s not usually a problem in this lighting. I get equivalency for indoors shooting f2.8 crop = f/4 FF but if I’m shooting at higher apertures anyways . . .

In bright light there's *usually* a DR advantage to a larger (since an APS-C camera at f/2.8 and a full frame camera at f/4.2 will be receiving the same amount of light in total but lower per-area light intensity. Assuming both go to the same base ISO, then there's scope for opening the ff camera up to f2.8 *or* giving it roughly 1.3EV longer exposure, before it clips).

Other than this, though, when you're light limited and working within the region where both can offer equivalent settings (ie having to stop the ff sensor down to get enough depth-of-field) there's not necessarily any advantage to one over the other in IQ terms.

Equivalence tells you where systems perform similarly, not just where they're different. So if the Fujifilm lenses give the results you want and you wouldn't regularly shoot the Sony wider-open (in equivalent terms), then you wouldn't necessarily see any advantage.

Link | Posted on Mar 20, 2018 at 22:17 UTC
On article Panasonic Lumix DC-GH5S Review (589 comments in total)
In reply to:

trmgkl: Can someone explain me how this camera have 'oversized sensor' when in all the specs sheets it says the sensor is 17.3mm x 13mm? It's regular m43 size. If the resolution is 3680 x 2760 then how is it possible to capture DCI material with resolution of 4096 x 2160? We need like 416 more pixels on the long side.

I am very curious.

The sensor isn't 17.3 x 13mm, it's oversized.

17.3 x 13 is the region used for 4:3 images or video but it's not the whole sensor. The sensor in this camera must be around 19.3mm wide.

The diagram in the [Multi-aspect sensor](https://www.dpreview.com/reviews/panasonic-lumix-dc-gh5s-review/1#MAS) section of page 1 of the review should make clear what's going on.

In the meantime, I'll see if our database can cope with calling a 19.3 x something sensor 'Four Thirds Type.'

Link | Posted on Mar 20, 2018 at 19:03 UTC
On article Fujifilm X-H1 Review (1469 comments in total)
In reply to:

Ebrahim Saadawi: Great, great camera, yet the price, considering the release of the Full-frame Sony A7 III, is a bit high.

larkhon - f/4 *is* f/4 regardless of what sensor is behind the lens. However, that only says that each sq mm of both sensors will receive the same amount of light.

So, if we assume you're not always going to print/view images from APS-C cameras 58% smaller than you print and view a full frame image, this information doesn't tell you much.

An f/2.8 APS-C lens (APS-C lens' focal length/2.8) will have roughly the same aperture diameter as the equivalent f/4.2 lens on full frame, since that will have a lens with focal length 1.5x longer (so (APS-C lens's focal length\*1.5)/(2.8\*1.5)).

As such, both are looking at the same view of the scene through the same sized hole. That hole has different f-numbers on each lens, so the light per sq mm will differ, **but** the same element in the scene will be made up from the same amount of light (projected over a larger region of the larger sensor).

View both images at the same size and they will look similar in almost every respect.

Link | Posted on Mar 20, 2018 at 18:54 UTC
In reply to:

clickshots: Custom frames are awesome, getting the bike absolutely perfectly spot on to the rider... so why does this need spacers :-/ Also why go for the brake bridge? Just seems a bit unnecessary as you can get mudguards for disc bikes that don't attach there.

The AirLandSea is Max's only off-the-peg bike but also, more significantly, it's the prototype/reviewer sample, so has to be adaptable enough to fit a number of different reviewers.

Link | Posted on Mar 20, 2018 at 18:22 UTC
On article Panasonic Lumix DC-GH5S Review (589 comments in total)
In reply to:

captura: But how does it compare to the A7-3?

It'll be interesting to see. The a7 III is likely to be more detailed, since it's oversampling, but there's also likely to be more prominent rolling shutter and, of course, there's still the more limited codec, so I'm not expecting the DR or gradability to be any better than the a7S II we showed in this review. But we'll see.

Link | Posted on Mar 20, 2018 at 04:55 UTC
In reply to:

truthsforme: I like the bag that's in front of the bike. What is it?

I think it's a custom version [of this bag](https://builtbyswift.com/shop/hinterland-paloma-handlebar-bag/).

Link | Posted on Mar 20, 2018 at 04:50 UTC
In reply to:

lambert4: I love that you combined two of my favorite things cycling and photography, but a chronologic gallery of the build would add some order to the chaos.

I've rearranged it in chronological order, now. We thought presenting them out-of-sequence would stop there being too many similar images back-to-back but it does make it more difficult to make sense of the process.

Link | Posted on Mar 19, 2018 at 17:30 UTC
Total: 5955, showing: 1 – 20
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