Author Archive for: zumstein

Entries by Christophe Zumstein

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Voigtländer Vienna 10×42 “APO”

Specifications: Objective diameter (acc. to spec. and measured): 42  mm Magnification (acc. to spec.): 10 x Magnification (measured): 9.8 x Exit pupil (acc. to spec.) :  4.2 mm Exit pupil (measured) :  4.3 mm Eye relief (acc. to spec.): 16.8 mm Usable eye relief (measured from rim of eyecup): 15.0 mm IPD (acc. to spec.):  […]

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Hensoldt Universal-Dialyt 6×30

Specifications: Objective diameter (acc. to spec.): 30 mm Magnification (acc. to spec.): 6 x Exit pupil (acc. to spec.) : 5 mm Eye relief (acc. to spec.): 7 mm IPD (measured): 55-76 mm RFOV (acc. to spec.):  8.6 degrees = 150 m Minimum focus distance (measured): 2.8 m Focus type: CF (direction of rotation from […]

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Carl Zeiss Jena Silvamar 6×30

Specifications: Objective diameter (acc. to spec.): 30 mm Magnification (acc. to spec.): 6 x Exit pupil (acc. to spec.) : 5 mm Eye relief (measured): 4 mm IPD (measured): 45 – 74  mm RFOV (acc. to spec.):  8.5 degrees = 150 m Minimum focus distance (acc. to spec.): 3 m Focus type: IF Prism system:  […]

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Zeiss “Design Selection” 7×45 T*P*

Specifications: Objective diameter (acc. to spec.): 45  mm Magnification (acc. to spec.): 7 x Exit pupil (acc. to spec.) :  6.43 mm Eye relief (acc. to spec.): 17.7 mm IPD (acc. to spec.): 55 – 75  mm RFOV (acc. to spec.):  8.6 degrees = 151 m AFOV (measured, rounded): 60 degrees Minimum focus distance (acc. […]

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Voigtländer Vienna 8×32 “APO”

Specifications: Objective diameter (acc. to spec. and measured): 32  mm Magnification (acc. to spec.): 8 x Magnification (measured): 8 x Exit pupil (acc. to spec.) :  4 mm Exit pupil (measured) :  4 mm Eye relief (acc. to spec.): 18.5 mm Usable eye relief (measured from rim of eyecup): 15.5 mm IPD (acc. to spec.):  […]

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Nikon Sportstar EX II 8×25

Specifications: Objective diameter (acc. to spec.):  25 mm Magnification (aac. to spec.):  8 x Exit pupil (acc. to spec.): 3.13 mm Eye relief (acc. to spec): 10 mm Usable eye relief (measured from rim of eyecup): 7.5 mm IPD (acc. to spec.): 56  – 72 mm RFOV (acc. to spec.):  8.3  degrees = 145 m […]

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Kite APC Stabi 16×42 ED (AAA)

Specifications: Objective diameter (acc. to spec. and measured): 42  mm Magnification (acc. to spec.): 16 x Magnification (measured): 17.1 x Exit pupil (acc. to spec.) :  2.62 mm Exit pupil (measured) :  2.45 mm Eye relief (acc. to spec.): 15.5 mm Eye relief (measured): 18 mm Usable eye relief (measured from rim of eyecup): 15 […]

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Voigtländer Vienna 8×25 “APO”

Specifications: Objective diameter (acc. to spec. and measured): 25  mm Magnification (acc. to spec.): 8 x Magnification (measured): 7.7 x Exit pupil (acc. to spec.) :  3.1 mm Exit pupil (measured) :  3.3 mm Eye relief (acc. to spec.): 19 mm Usable eye relief (measured from rim of eyecup): 16.5 mm IPD (acc. to spec.):  […]

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Leica Noctivid 8×25

Specifications: Objective diameter (acc. to specs.): 25  mm Magnification (acc. to specs.): 8 x Exit pupil (acc. to specs.) :  3.1 mm Eye relief (acc. to specs.): 15 mm Eye relief (measured): 16 mm Usable eye relief (measured from rim of eyecup): 13.5 mm IPD (acc. to specs.):  55 – 75 mm RFOV (acc. to […]

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Swarovski CL Companion 10×30 (2026)

Specifications: Objective diameter (acc. to spec.): 30  mm Magnification (acc. to spec.): 8 x Exit pupil (acc. to specs.) :  3.0 mm Eye relief (acc. to specs.): 18 mm Usable eye relief (measured from rim of eyecup): 15 mm IPD (acc. to specs.):  55 – 74 mm RFOV (acc. to spec.):  6.6  degrees = 115 […]