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Viewfinder
Viewfinder
Eye-level pentaprism single-lens reflex
viewfinder
Frame coverage
•
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
Magnification
Approx. 0.75 × (50 mm f/1.4 lens at infinity,
–1.0 m
–1
)
Eyepoint
17 mm (–1.0 m
–1
; from center surface of
viewfinder eyepiece lens)
Diopter adjustment
–3–+1 m
–1
Focusing screen
Type B BriteView Clear Matte Mark VIII screen
with AF area brackets (framing grid can be
displayed)
Reflex mirror
Quick return
Depth-of-field preview
Pressing
Pv
button stops lens aperture down to
value selected by user (
A
and
M
modes) or by
camera (
P
and
S
modes)
Lens aperture
Instant return, electronically controlled
Summary of Contents for D850
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