Nikon D850 User Manual page 362

Viewfinder
Viewfinder
Frame coverage
Magnification
Eyepoint
Diopter adjustment
Focusing screen
Reflex mirror
Depth-of-field preview
Lens aperture
338
Eye-level pentaprism single-lens reflex
viewfinder
• FX (36×24): Approx. 100% horizontal and 100%
vertical
• 1.2× (30×20): Approx. 97% horizontal and 97%
vertical
• DX (24×16): Approx. 97% horizontal and 97%
vertical
• 5:4 (30×24): Approx. 97% horizontal and 100%
vertical
• 1:1 (24×24): Approx. 97% horizontal and 100%
vertical
Approx. 0.75 × (50 mm f/1.4 lens at infinity,
–1.0 m –1 )
17 mm (–1.0 m –1 ; from center surface of
viewfinder eyepiece lens)
–1
–3–+1 m
Type B BriteView Clear Matte Mark VIII screen
with AF area brackets (framing grid can be
displayed)
Quick return
Pressing Pv button stops lens aperture down to
value selected by user (A and M modes) or by
camera (P and S modes)
Instant return, electronically controlled