Entries by Christophe Zumstein

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Orion 2×54 Ultra Wide Angle

Specifications: Objective diameter:  54 mm Magnification:  2.0 x Exit pupil: N.A. Eye relief (acc. to spec):  N.A. IPD: 58  – 81 mm RFOV (acc. to spec):  “36 degrees” Focus type:  IF Prism system:  none (Galilean) Waterproof: no Weight (measured, with eyepiece cover and strap): 410 g Made in: China    Remarks: Probably the best of […]

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Zeiss Victory SF 8×32

Specifications: Objective diameter:  32 Magnification:  8 x Exit pupil: 4.0 mm Eye relief (acc. to spec): 19 mm Useable eye relief (measured from rim of eyecup): 16 mm IPD:  56 – 74 mm RFOV:  8.9 degrees = 155 m AFOV: 67 degrees Focus type:  CF Prism system:  Schmidt-Pechan Waterproof: yes Weight (measured, with eyepiece cover […]

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Swarovski NL Pure 10×42

Specifications: Objective diameter:  42 Magnification:  10 x Exit pupil: 4.2 mm Eye relief (acc. to spec): 18 mm Useable eye relief (measured from rim of eyecup): 16.5 mm IPD:  56 – 74 mm RFOV:  7.6 degrees = 133 m Focus type:  CF Prism system:  Schmidt-Pechan Waterproof: yes Weight (measured, with eyepiece cover and strap): 991g […]

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Swarovski NL Pure 8×42

Specifications: Objective diameter:  42 Magnification:  8 x Exit pupil: 5.25 mm Eye relief (acc. to spec): 18 mm Useable eye relief (measured from rim of eyecup): 16.5 mm IPD:  56 – 74 mm RFOV:  9.1 degrees = 159 m Focus type:  CF Prism system:  Schmidt-Pechan Waterproof: yes Weight (measured, with eyepiece cover and strap): 990g […]

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Leica Trinovid 10×40 2019 (“Retrovid”)

Specifications: Objective diameter:  40 Magnification:  10 x Exit pupil: 4 mm Eye relief (acc. to spec): 16 mm Useable eye relief (measured from rim of eyecup): 14 mm IPD:  55 – 75 mm RFOV:  6.0 degrees = 104 m Focus type:  CF Prism system:  Schmidt-Pechan Waterproof: splash-proof Weight (measured, with eyepiece cover and strap): 695g […]

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Leica Trinovid 7×35 2019 („Retrovid“)

Specifications: Objective diameter:  35 Magnification:  7 x Exit pupil: 5 mm Eye relief (acc. to spec): 16 mm Useable eye relief (measured from rim of eyecup): 13.5 mm IPD:  55 – 75 mm RFOV:  8.0 degrees = 140 m Focus type:  CF Prism system:  Schmidt-Pechan Waterproof: splash-proof Weight (measured, with eyepiece cover and strap): 633 […]

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Leica Ultravid 12×50 HD+

Specifications: Objective diameter:  50 mm Magnification:  12 x Exit pupil: 4.2 mm Eye relief (acc. to spec): 13 mm Usable eye relief (measured from rim of eyecup): 11 mm RFOV:  5.7  degrees = 100 m Focus type:  CF Prism system:  Schmidt-Pechan Waterproof: yes Weight (measured, with eyepiece cover and objective caps): 1‘134 g Made in: […]

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Canon 8×20 IS

Specifications: Objective diameter:  20 mm Magnification:  8 x Exit pupil: 2.5 mm Eye relief (acc. to spec): 13.5 mm Usable eye relief (measured from rim of eyecup): 13 mm IPD:  56 – 72 mm RFOV:  6.6  degrees = 115 m AFOV:  49.5 degrees Focus type:  CF Prism system:  Porro I Waterproof: no Weight (measured, with […]