porro 1P8184






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Objective Diameterφ40mm
Exit Pupil Diameterφ5mm/8X
Eye Relief19.5mm
Field of View-Angular4.7°
Field of View-At 1000m82m
Field of View -At 1000yds246ft
Minimum Focus Distance5m
Relative Brightness25
Twilight Factor17.9
Prism TypePorro
Number of Elements & Groups 7 Pieces in 4 groups
Focus Systemcenter
Focus LenseEyepiece
Positive Ocular Diopter Adjustment+8 dpt
Negative Ocular Diopter Adjustment-4 dpt
Closed Interpupillary Distance56mm
Open Interpupillary Distance72mm
Eye Cups TypeFoldable Rubber Eyecups
Body Housing MaterialAluminum Alloy
Nitrogen FilledNO
Net Weight755g


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