In a two-part release, NikonRumors posted the Nikon D850's presentation slides. Although written in
Japanese Chinese, we can infer a number of specifications about the D850 (and anyone who speaks Chinese is welcome to help us translate the rest!). Some highlights include greater viewfinder magnification, 9 fps at full resolution, and up to 14 fps, perhaps, in bursts of up to 51 of some kind of uncompressed raw-format images with an MB-D18 battery grip.
For the full notes and the first actual photos of the D850, check out the slides on NikonRumors in Part I and Part II of the presentation slide release. However, after having looked through the information, it seems a few specifications are now all but confirmed:
- 4K UHD video
- 8K in-camera time-lapse
- 9 fps at full resolution with battery grip, 7 fps without
- 153-point AF system from D5 with -4 EV-capable central point (others function down to -3 EV)
- Greater 0.75x viewfinder magnification for a larger image area in the viewfinder (for comparison, D810 is 0.70x, D5 is 0.72x)
- 180,000-pixel RGB metering sensor
- 3.2-inch articulating touchscreen
- ISO 64-25,600 (extended 32-108,400)
- Dual card slots (one SD, one XQD)
There are multiple references throughout the slides to wedding, sports, landscape, and architectural photography. One interesting slide seems to suggest the D850 will feature some kind of in-camera focus stacking. The example image shows an insect specimen with a relatively narrow depth of field while the next image shows that specimen in full focus.
Additionally, autofocus point coverage could be 130-percent of the frame compared to the coverage in the D810. There also seems to to be a reference to an autofocus-point-selection feature that lets the user select an extremely small autofocus point within the normally standard-sized area covered by a single point.
If you speak
Japanese Chinese and/or have a better idea of the features described in these slides, please feel free to comment with your findings. Fair warning: using Google's Translate app for image-based, real-world translation is extremely unreliable and relatively NSFW.
UPDATE: NikonRumors has published an article with a proper translation of the Chinese slides. A subsequent article also states the D850 could be announced as soon as Aug. 15, which was the date on the presentation.