RX100 vs RX100M2 RAW samples from ISO100 to 6400

Started Jul 19, 2013 | Discussions thread
Arn
Arn
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Re: my conclusion so far, M2 wins...
In reply to Roland Schulz, Jul 23, 2013

Roland Schulz wrote:

Sony is right, the M2 is better than the M1, also in IQ!
I found the sensitivity is lower in the same ISO setting, 125 (M1) is very close to 160 (M2). Did´t find out yet what is "right". The following comparison rely on the native settings, ISO125 (M1) and ISO160 (M2) unlike otherwise noted.

So, the M2 is less sensitive, by about 1/3 stop, with ISO 160 giving an exposure roughly equivalent to M1's ISO 125? Is ISO 160 M2's native ISO? This would mean that dynamic range and image quality is reduced on lower ISO's.

The ~40% "improvement" is not so easy to find, but in sum it is there:

Noise:
From RAW files luminance noise is a little bit smoother and chroma noise is a little bit less with the M2, but this advantage I´d say is close to invisible. Both are very close at native ISO.
From about ISO3200 on the M2 blocks shadow noise somewhat better as to be seen in my samples. The M1 produces more blue chroma noise in the shadows.

Yes, I noted too, that M1 produces more blue noise in shadows at ISO 3200 and ISO 6400. Then again, that the difference narrows, when you compensate for the difference in sensitivity.

DR:
I´d say shadow detail can be pushed by a similar amount, but highlights can be recovered better from the M2, even when the shoot was a bit brighter.
I have no samples to post here now, since there are always "personal" things in the photos (car reg plates etc.).
In every of my test shoots it was easy to see that the M2 has a slight edge here.

Increased DR would certainly be a good thing - I didn't find RX100 M1's DR to be anything special, I was frankly surprised to find it pretty equal to Canon S95's DR. Can't say anything about RX100 M2's DR without experimenting myself, but if M2 gives consistently darker exposures than the M1, that might also create the impression of more recovery room in the highlights, yes? This would have to directly compared to the M1 with equivalent exposures to know for sure.

Resolution:
There where many posts that the M2 would be worse in sharpness and resolution compared to the M1.
I´d call myself a pixel peeper sometimes, but I see NO loss in resolution in the M2 files. From my cameras the M2 is even better in the long end corners but this seems to be due to better lens tolerances I´m sure.

Personally, I am a bit of a pixel peeper and I do see some (slight) loss of detail in your M2 shots vs M1 shots and definitely also in Imaging-resource's shots.

Colors:
It seems that the M2 has a different color response compared to the M1. ACR/LR doesn´t support own profiles for the M2 yet so these may not be my final findings.
The M1 sometimes clipped heavy reds, the M2 looks slightly better controlled. M2 is somewhat less saturated, but also that can be compensated. In the end it´s to early to place a final thought here.
WB shows totally different values in LR5. It´s about 4800k on the M1 where the M2 comes to about 7200k when both are calibrated to the same white subject. This may also be due to "wrong" color profiles in LR5.

I would love to get some info from Sony or Adobe about this, that is, if current versions LR5 / ACR properly supports RX100 M2 or not and if there is improvement to be expected in future releases.

AF:
I find the AF system of the M1 is different to the M2. The M1 feels a little bit snappier here and there, but the M2 gave me more reliable results in some cases.
In the end the M2 wins for me, now. May be some of the upper findings may be influenced by the profiles of ACR/LR5.

I find the differences to be quite small at all, one must decide himself if it´s worth the extra cash and the bigger size

Personally, I very much like to have both, a hot shoe and a tilting (but would have loved to see swivel also) LCD. I love to have these in compact cameras too, even though there is a heavy price tag for the features in the RX100 M2 (in my opinion too heavy). But the pricing of the addon-EVF is outrageous and makes that feature useless to me, as I'm never going to cough up the price Sony is asking for. As a whole, I feel that Sony could have provided a more evolved model in the M2 than they have.

Btw, can you tell me if it's possible to shoot RAW through WIFI, for example in program mode?

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