Binoculars, Giant Astronomical Binoculars, Porro Prisms

RS7 7×50 IF A1 Waterproof & Shockproof Binoculars

分类： Binoculars, Giant Astronomical Binoculars, Porro Prisms

Features and Benefits

Individual eyepiece focus for the most precise adjustments.
All metal constrution with rubber-armored covering.
Waterproof and shockproof—built to military standards.
High definition and excellent contract for daytime and nighttime viewing.
The 70mm binoculars are packed in a hard alluminum case.

Model	7x50IF / 10x50IF / 10.5x70IF / 15x70IF / 15x85IF/ 22x85IF/20x110IF/ 28x110IF/ 34x110IF/
Magnification	7x / 10x / 10.5x / 15x / 15x / 22x / 20x // 28x / 34x /
Objective Diameter (mm)	50/50/70/70/85/85/110/110/110/
Field of View	(131m/432ft)–(114m/342ft)—(87m/261ft)— (77m/231ft)—(61m/183ft)—(52m/172ft)—-(47m/141ft)(40m/120ft)—-(33m/99ft)
Exit Pupil (mm)	(7.14) / (5) / (6.67) / (4.67) / (6.5) / (4.3) / (6) / (4.1) / (3)
Eye Relief (mm)	(23) / (18.5) / (23) / (18) / (23) / (18) / (23) / (18) / (18)
Relative Brightness	(50.96) / (25) / (44.49) / (21.81) / (42.25) / (18.49) / (36) / (16.81) / (9)
Interpupilary Distance (mm)	56-74

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