this mainly for its frame rate in video and the quality the images produce as well. It will take only 2 minutes to fill. The camera brackets the exposure up to 3 stops in 1/3-stop increments for three successive shots. 0.76x Diopter Adjustment -3 to 1 Monitor Size.2" Monitor Resolution 1,620,000 Dot Monitor Type Touchscreen LCD Built-in Flash None Maximum Sync Speed 1/250 Second Flash Compensation -3 to 3 EV (1/3, 1/2 EV Steps) Dedicated Flash System eTTL External. You chose the 1DX mkii for a reason - If you want to use this camera to its fullest potential, bite the bullet, wait for a sale, and get at least the 256GB. Date published: Rated 5 out of 5 by Misha from Superb camera It is truly a superb camera. Answered by: Maksim. At the heart of the imaging system is a full-frame.2MP cmos sensor and dual digic 6 image processors, which contribute to fast continuous shooting rates up to 16 fps in live view, 14 fps with full-time AF and. The app and wifi should just reconnect, like every other WiFi. Thus far autofocus has a high percentage of correctly focused images. I keep on testing it in very low light conditions and no matter how high I raise its ISO the frames are totally usable. If you can afford it, buy it! 4K files are too big and it makes 3 separate videos if you exceed 4gb limit. Now with the EOS-1ark II, nearly every shot is flawless - sharp and well-exposed - and the only challenge is selecting the best of the best. I have taken 4,296 frames with a fully charged battery with ISO at least 1,600. If you are switching from Nikon, this camera is little complicated for you but will take couple days to figure out. If you require longer clips at that high frame rate, get a CFast. Two requests: when set for 4k or 120fps video, can you force the camera to the CFast card? Pulling a card out will reset the camera to the CF slot. You may use the AEB function to create three images in succession, then use software like Adobe Lightroom Photomatix Pro, Aurora HDR, or Canon's own Digital Photo Professional software (included with the camera) to combine the images to create your own HDR images. Also the cFast port is a dedicated.0 port.