Nikon F4 Instruction Manual page 89

6X High-Magnification Finder DW-21
For critical high-magnification close-up work and photomicro-
graphy. Its sophisticated optical system provides a clear, sharp
view of the entire image at full approx. 6X magnification. Fitted
with a -5 to +3 diopter adjustm ent for individual eyesight
correction, plus a rubber eyecup and rubber eyepiece cover.
Waist-Level Finder DW-20
For use when the F4 is used at a low angle or on a copystand.
FOld-up-type viewing hood provided. The built-in flip-up mag-
nifier provides an approx. 5X magnification on the center of the
image for accurate focusing.
DW-21
DW-20
89