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| p.1 #6 · Canon 1dx or 5d mk III or used 1d mk iv |
With pure birding in mind for now, i need an upgrade, confused between "1dx or 5d mk III or used 1d Mk iv" As 1d Mkiv used is becoming hard to get, it comes down to 1dx or 5d mk III. Does 5d mkIII live up to catching birds in flight or stationery, gaining focus in low lighting conditions, is 6fps good enough to catch birds in action & how does it fare in AF performance along with using a 1.4x tele on a 500f4 ? I am aware of the price diff between the 2, but is it worth shelling out that much more !!
(1) 1DMkIV may be a good camera for your needs, however, there are currently two issues with it: even well used, it is still expensive, and it has the old generation AF system.
(2) Between 5DMkIII and 1DX, I 'd suggest going for 5DMkIII........you get the Canon's state-of-the art AF system as well as IQ processing at one half of the 1DX price.
(3) Generally speaking, I consider 6 FPS to be adequate for wildlidfe photography.
I am still shooting rather fast BIF at 3 FPS (1DsMkII), and also at 4 FPS (1DX). There is a major benefit in observing the target carefully during shooting/tracking as opposed to prattling away at 8 or 10 FPS. Naturally, like anything else, you might encounter situations where even 14 FPS may not be quite enough, and similarly, even the 1200 f/5.6 lens will on occassion be of insufficient focal length.
(4) I can not speak of 500 f/4 + 1.4xTC on 5DMkIII specifically because I do not own 5DMkIII, however, I do not not expect it to be much different than the combo performance on 1DX, i.e., it should be very good, meaning the AF response is good, the AF accuracy is perfect and the resulting IQ is also very good.