Nikon F4S - Viewing Accessories; Ranen

VIEWING ACCESSORIES
The F4's standard, supplied Multi-Meter Finder DP-20 accepts
the following accessories.
Nikon Eyepiece Correction Lenses
Five lenses for Nikon F3HP — -3, -2, 0, +1 and +2 diopters —
are available. When used with diopter adjustment dial of the
Multi-Meter Finder DP-20 the combined adjustment range will
be from —5 to +4 diopters.
Nikon Rubber Eyecup DK-2
The eyecup prevents stray light from entering the viewfinder
from the rear and allows eyeglass wearers to use the F4
without fear of scratching their glasses.
Nikon Right-Angle Viewing Attachment DR-3
Excellent for copy work, the DR-3 provides an upright, unre-
versed image for right-angle viewing with the DK-7. Individual
eyesight adjustments are possible.
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Eyepiece Correction Lenses
DK-2