Nikon 18×70 IF WP WF

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Specifications: Objective diameter:  70 mm Magnification:  18 x Exit pupil: 3.9 mm Eye relief (acc. to spec): 15 mm Usable eye relief (measured from rim of unfoldable eyecup): 7 mm IPD:  56 - 72 mm RFOV:  4.0  degrees = 70 m AFOV…

Steiner Observer 20×80

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Specifications: Objective diameter:  80 mm Magnification:  20 x Exit pupil: 4 mm Eye relief (acc. to spec): 13 mm Usable eye relief (measured from rim of eyecup): 3.5 mm (!) IPD:  56 - 72 mm RFOV:  3.3  degrees = 58 m AFOV (measured,…

Opticron Oregon 20×80

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Specifications: Objective diameter:  80 mm Magnification:  20 x Exit pupil: 4 mm Eye relief (acc. to spec): 17 mm Usable eye relief (measured from rim of eyecup): 16.5 mm IPD:  56 - 77 mm RFOV:  3.3  degrees = 57 m AFOV (measured,…

Omegon Argus 20×80

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Specifications: Objective diameter:  80 mm Magnification:  20 x Exit pupil: 4 mm Eye relief (effective, measured from folded-down eyecups): 13.5mm IPD:  56 - 70 mm RFOV:  3.3  degrees = 58 m AFOV (measured, rounded): 65 degrees Focus…

Celestron Skymaster 20×80 PRO

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Specifications: Objective diameter:  80 mm Magnification:  20 x Exit pupil: 4 mm Eye relief (acc. to spec): 15.5 mm Usable eye relief (measured from rim of eyecup): 12 mm IPD:  56 - 72 mm RFOV:  3.2  degrees = 56 m AFOV (measured,…

Celestron Skymaster 20×80

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Specifications: Objective diameter:  80 mm Magnification:  20 x Exit pupil: 4 mm Eye relief (acc. to spec): 18 mm Usable eye relief (measured from rim of eyecup): 15 mm IPD:  56 - 72 mm RFOV:  3.7  degrees = 65 m AFOV (measured,…

Celestron Skymaster 25×100

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Specifications: Objective diameter:  100 mm Magnification:  25 x Exit pupil: 4 mm Eye relief (acc. to spec): 15 mm Usable eye relief (measured from rim of eyecup): 10 mm IPD:  56 - 72 mm RFOV:  3.0  degrees = 52 m Focus type:…

Omegon Argus 25×100 MS

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Specifications: Objective diameter:  100 mm Magnification:  25 x Exit pupil: 4 mm Usable eye relief (measured from rim of eyecup): 9 mm IPD:  56 - 70 mm RFOV:  2.7  degrees = 47 m AFOV (according to spec.): 65 degrees Focus type:…

Omegon Nightstar 25×100

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Specifications: Objective diameter:  100 mm Magnification:  25 x Exit pupil: 4 mm Eye relief (acc. to spec): 18 mm Usable eye relief (measured from rim of eyecup): 14.5 mm IPD:  59   -  73  mm RFOV:  2.5  degrees = 44 m Focus…

Vixen ARK 30×80

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Specifications: Objective diameter:  80 mm Magnification:  30 x Exit pupil: 2.7 mm Eye relief (acc. to spec): 18 mm Usable eye relief (measured from rim of eyecup): 11 mm IPD: 55  -  70 mm RFOV:  2.3  degrees = 40 m AFOV:  69…