RX100M6, speeding trains

Started 10 months ago | Discussions thread
Digital Shutterbug Veteran Member • Posts: 3,962
Re: RX100M6, speeding trains

Digital Nigel wrote:

Digital Shutterbug wrote:

KeepCalm wrote:

... there is no pleasing the molecular scientists looking at the results from the microscopic analysis.

I love it. "Molecular scientists", as applied to the pixel peepers. Good one!!!

Talking of which, I've just been doing some pixel-peeping of other images. I've just bought Gary Friedman's book on the RX100M6, and he provides a link to a pair of well-lit, studio images he shot of the same subject, a teddy bear.

One was taken with the RX100M6, and the other with his A7 with 70-200 f/4 lens. He invites people to compare the images and see if they can guess which was which (he forgot to remove the exif data or change the images sizes, so it's easy to cheat).

He makes the point that if you have to resort to careful, 100% side-by-side comparisons, in a sense the RX100 has won anyway, even if its image isn't actually the better one. I duly did the test, and agree that the differences are minimal. In fact, because of the greater DoF with the RX100, more of it is in sharp focus than the A7 image. So, overall, I actually prefer the RX100 image!

I separately did a brick wall test of the RX100M6 and my TZ100. Interestingly, the differences between these two images are much more obvious. At both its 200 and 250mm equiv zooms, the TZ100 images has significantly less resolution than the RX100M6. The RX100M6 is sharper in the centre, and much sharper at the edges. It's what I expected, but it was good to see it confirmed. You didn't have to cheat to spot the soft TZ100 images.

So, the RX100M6 image quality is much closer to that of the full-frame A7 than it is to the supposedly similar TZ100!

I’ve not seen this particular test from Gary, but he has done other similar tests in the past. Of course, he does these tests in good lighting, so the smaller sensor cameras are not struggling to provide their best. Most realize that under adverse conditions the smaller sensor will not be at its best. That’s a trade off I’m generally willing to accept. Under these conditions, it is quite surprising how well the RX10 and RX100 series cameras images hold up to much more expensive gear. I think a lot of the credit goes to the superb lenses Sony has used in all of these cameras.

That choice in lenses probably contributes greatly when comparing to other brands of cameras that would otherwise be considered similar due to their size. Sony has put the best components in these smaller cameras, when other manufacturers might have taken a different approach on the small cameras. Obviously, that makes for a premium price, compared to the competitors. It all depends on what you expect, and what you’re willing to spend.

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Steve

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