finally it is on my hand to have my own test …. not really worry too much testing (e.g. color, sharpness, as those impact by screen, lenses .. etc … ) so I just share few things why I need the 5dm3 …. when it is on my hand for first 10 min ….
1. the shape more round …
2. do not notice the .2 inch LCD change .. may be it is way too less 
3. buttons just like 7d … but ohh it is not .. many change on Menu (mirror lock-up is little easier to be enable now !) , rating ? , compare among picture within CF, zoom in button (hmm feel it is like SONY way … )
4. AF .. for me .. all this while I only use center point for shooting (wish I have more option while I shoot with 50d/60d/5d….) but this is something new to me !!!!! so many mode, so many AF function … so many points !!!!! and for few try … it is FAST …(definate faster than 50/60/5d )
5. a NEW menu … so many thing in there !!!! so I have to spend days to read through the Manual ….
6. bracketing .. now can shoot 3,5,7 exp … (saw the option but not sure how to use it )
…. thats all ~10-20 min play with the new 5d mIII …… then after good lunch … and reach home I have some test with condition
1. on chair & timer
2. Apeutre mode
3. focus and meter on the Canon 16-35 lenses box (bottom)
4. both shoot with 16mm with 16-35 mark2
5. indoor with no light change …
6. Jpeg shoot with no Noise reducion (RAW cannot open by my ACR yet !!!!! and yes again )
7. both body shoot with ISO100,200,400,800,1600,3200,6400 & 12800-25600 (for 5dm3) .. didn’t try on 5dm2 as think not really able to accept the IQ of the 6400 and above
here are the full size links
5dm2 ISO100 5dm3 ISO100
5dm2 ISO200 5dm3 ISO200
5dm2 ISO400 5dm3 ISO400
5dm2 ISO800 5dm3 ISO800
5dm2 ISO1600 5dm3 ISO1600
5dm2 ISO3200 5dm3 ISO3200
5dm2 ISO6400 5dm3 ISO6400
may people may think the compare make no sense … but for me I love to shoot nightscape … I shoot ISO3200-6400 most of the the time, and when I print anything big then I have my worry …. for my 5dm2, ISO1600 I need little work to print A2 size .. but anything higher will have problem …. but base on the 1st try , 5dm3 ISO1600 is so clean !!!! or even ISO6400 think I can easily use ISO6400 to print A2 in future and ISO12800 need to have it a trial !!!!!
beside ISO, think dynamics range have been improve .. I shoot Aperture mode at EV 0 . and I found
1. details at both bright/dark areas are much better with 5dm3
Another thing 5dm2 tend to be slight under at the spot I meter but do not get any advantage at bright area … check picture share below
DARK Area crop 5dm2 on top and 5dm3 on bottom
Bright Area crop 5dm2 on top and 5dm3 on bottom
some ISO at dark area pictures .. not a comment but some real sample to show
ISO1600 – crop 5dm2 on top and 5dm3 on bottom
ISO3200 – crop 5dm2 on top and 5dm3 on bottom
ISO6400 – crop 5dm2 on top and 5dm3 on bottom
Overall .. my 1st day experience with the Canon 5dm3 …
1. better handling – most of the important function change to easier access .. (they listen to USERs !!!!!)
2. faster AF ? minimum for the non center points and now I can use group AF points !!!even low light
3. ISO performance .. about 1-1.5 stops better (and 5dm2 already good with ISO1600 and lower ….) .. but the JPEG seem giving much better 2-3 stops , think something to do with the camera processing ..
ohhhh .. forgot to share the HDR picture !!!! do we need filter ????? in future ? as I only use basic setting for this and all in JPEG .. I do believe with RAW edit .. results could be much better for this new 5dm3 !!!!
5dm3 HDR picture
worth to spend extra RM4k (5dm2 and 5dm3 different) ?
if you use for hobby and non event, wild life shooter .. 5dm2 should be good enough …. but if you need better ISO performance e.g. for night scape … I will choose 5dm3 as I know I need better ISO performance
