Entries by Christophe Zumstein

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Nikon Action EX 8×40 CF

Specifications: Objective diameter:  40 mm Magnification:  8 x Exit pupil: 5 mm Eye relief (acc. to spec): 17 mm Usable eye relief (measured from rim of eyecup): 15 mm IPD:  56 – 72 mm RFOV:  8.2  degrees = 143 m AFOV:  59.7  degrees Minimum focus distance (measured): 3.8 m Focus type:  CF (direction of rotation […]

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Helios LightQuest-HR 16×80

Specifications: Objective diameter:  80 mm Magnification:  16 x Exit pupil: 5 mm Eye relief (acc. to spec): 20 mm Usable eye relief (measured from rim of eyecup): 15 mm IPD:  56 – 74 mm RFOV:  4.1  degrees = 72 m Focus type:  IF Prism system:  Porro I Waterproof: yes Weight (measured, with eyepiece cover and […]

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Canon 14×32 IS

Specifications: Objective diameter:  32 mm Magnification:  14 x Exit pupil: 2.28 mm Eye relief (acc. to spec): 14.5 mm Usable eye relief (measured from rim of eyecup): 13.5 mm IPD: 55  – 76 mm RFOV:  4.3  degrees = 75 m AFOV: 55.5 degrees Minimum focus distance (measured): 1.85 m Focus type:  CF (direction of rotation […]

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Swarovski EL O-Range 8×42 W B

Specifications: Objective diameter:  42 mm Magnification:  8 x Exit pupil: 4.25 mm Eye relief (acc. to spec): 19 mm Usable eye relief (measured from rim of eyecup): 15.5 mm IPD:  56 – 74 mm RFOV:  7.8  degrees = 137 m AFOV:  61  degrees Minimum focus distance (measured): 4.75 m Focus type:  CF (direction of rotation […]

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Maven B2 11×45

Specifications: Objective diameter:  45 mm Magnification:  11 x Exit pupil: 4.1 mm Eye relief (acc. to spec): 16.7 mm Usable eye relief (measured from rim of eyecup): 16 mm IPD:  56 – 75 mm RFOV:  6.0 degrees = 105 m AFOV (measured, rounded):   62.5 degrees Minimum focus distance (measured): 1.3 m Focus type:  CF […]

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Olympus 8×42 Pro

Specifications: Objective diameter:  42 mm Magnification:  8 x Exit pupil: 5.25 mm Eye relief (acc. to spec): 18 mm Usable eye relief (measured from rim of eyecup): 14.5 mm IPD:  56 – 70 mm RFOV:  7.5  degrees = 131 m AFOV (according to spec.):  55.3  degrees Minimum focus distance (measured): 1.35 m Focus type:  CF […]

Pentax SP 20×60 WP

Specifications: Objective diameter: 60 mm Magnification: 20 x Exit pupil: 3.0 mm Eye relief (acc. to spec): 21 mm Usable eye relief (measured from rim of eyecup): 20 mm IPD: 56 – 73 mm RFOV: 2.2 degrees = 38 m Minimum focus distance (measured): 6.95 m Focus type: CF (direction of rotation from close to […]

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DDoptics Pirschler 8×45 Gen.III Mg

Specifications: Objective diameter:  45 mm Magnification:  8 x Exit pupil: 5.63 mm Eye relief (acc. to spec): 20 mm Useful eye relief (measured from rim of eyecup): 14mm IPD:  56 – 75 mm RFOV:  7.7  degrees = 135 m AFOV (measured, rounded): 58 degrees Minimum focus distance (measured): 2.35 m Focus type:  CF (direction of […]

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DDoptics Lux-HR ED 10×42

Specifications: Objective diameter: 42 mm Magnification: 10 x Exit pupil: 4.2 mm Eye relief (acc. to spec): 16 mm Usable eye relief (measured from rim of eyecup): 10.5 mm IPD: 59 – 77 mm RFOV: 6.2 degrees = 108 m AFOV (measured, rounded): 60 degrees Minimum focus distance (measured): 3.25 m Focus type: CF (direction […]

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GPO German Precision Optics Passion HD 8×42

Specifications: Objective diameter:  42 mm Magnification:  8 x Exit pupil: 5.25 mm Eye relief (acc. to spec): 19 mm Usable eye relief (measured from rim of eyecup): 15 mm IPD:  57 – 75 mm RFOV:  7.1  degrees = 125 m AFOV (measured, rounded): 55 degrees Minimum focus distance (measured): 1.95 m Focus type:  CF (direction […]