Nikon 7×50 IF SP WP

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Objective diameter:  50 mm
Magnification:  7 x
Exit pupil: 7.14 mm
Eye relief (acc. to spec): 16 mm
Usable eye relief (measured from rim of plastic eyecups): 7.5 mm
Usable eye relief (measured with eyecups removed): 15 mm
IPD:  56 – 72 mm
RFOV:  7.3  degrees = 128 m
AFOV (spec. Nikon):  48.1 degrees
AFOV (measured, rounded): 51 degrees
Minimum focus distance (measured): 5.75 m
Focus type:  IF
Prism system:  Porro I
Waterproof: yes
Weight (measured, with eyepiece cover and strap): 1’500 g
Made in: Japan



This nice large full-metal porro binocular is part of Nikon’s top porro binocular line, the others in that line being 10×70 and 18×70 models.  See further remarks and separate posts under:
“Nikon 10×70 IF HP WP”,×70-if-hp-wp/
“Nikon 18×70 IF WP WF”,×70-if-wp-wf/
“Nikon 10×70 IF SP WP”,×70-if-sp-wp/



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