Author Archive for: zumstein

Entries by Christophe Zumstein

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Hartmann Compact 7×42

Specifications: Objective diameter:  42 mm Magnification:  7 x Exit pupil: 6 mm (spec), 5.6 mm (measured) Eye relief: 17mm (acc. to spec) Usable eye relief (measured from rim of eyecup): 6 mm IPD:  52 – 74 mm RFOV (acc. to spec):  8.6  degrees = 150 m RFOV (measured): 8.2 degrees = 143m AFOV (measured, rounded): […]

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Zeiss 7×50 B/GA T*

Specifications: Objective diameter:  50 mm Magnification:  7 x Exit pupil: 7.14 mm Eye relief (acc. to spec): 18 mm Usable eye relief (measured from rim of eyecup): 13 mm IPD:  53 – 78mm RFOV:  7.4 degrees = 130 m AFOV (according to spec.): 52 degrees Minimum focus distance (measured): 8.4 m Focus type:  IF Prism […]

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Zeiss 7×50 B

Specifications: Objective diameter:  50 mm Magnification:  7 x Exit pupil: 7.14 mm Eye relief (effective, measured from rim of folded eyecup):  14.5 mm IPD: 53  – 78 mm RFOV:  7.4  degrees = 130 m AFOV (measured, rounded): 53 degrees Minimum focus distance (measured): 5.05 m Focus type:  IF Prism system:  Porro I Waterproof: splashproof (?) […]

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Nikon WX 7×50

Specifications: Objective diameter:  50 mm Magnification:  7 x Exit pupil: 7.14 mm Eye relief (acc. to spec): 17 mm Usable eye relief (measured from rim of eyecup): 15.5 mm IPD: 58  – 78 mm RFOV:  10.7  degrees = 188 m AFOV (spec. Nikon):  66.6 degrees AFOV (measured, rounded):  71.3 degrees Minimum focus distance (estimate): 7.5 […]

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Nikon 7×50 IF SP WP

Specifications: Objective diameter:  50 mm Magnification:  7 x Exit pupil: 7.14 mm Eye relief (acc. to spec): 16 mm Usable eye relief (measured from rim of plastic eyecups): 7.5 mm Usable eye relief (measured with eyecups removed): 15 mm IPD:  56 – 72 mm RFOV:  7.3  degrees = 128 m AFOV (spec. Nikon):  48.1 degrees […]

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Minox BN 7×50 DCM

Specifications: Objective diameter:  50 mm Magnification:  7 x Exit pupil: 7.14 mm Eye relief (acc. to spec): 22 mm Usable eye relief (measured from rim of eyecup): 20.5 mm IPD: 55  – 72 mm RFOV:  7.2  degrees = 126 m AFOV (measured, rounded): 50.5 degrees Minimum focus distance (estimate): 9.2 m Focus type:  IF Prism […]

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Fujinon 7×50 FMT-SX2

Specifications: Objective diameter:  50 mm Magnification:  7 x Exit pupil: 7.14 mm Eye relief (acc. to spec): 23 mm Usable eye relief (measured from rim of eyecup): 16 mm IPD: 57  – 75 mm RFOV:  7.5  degrees = 131 m AFOV (measured, rounded): 52 degrees Minimum focus distance (measured): 7.1 m Focus type:  IF Prism […]

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Docter Nobilem 7×50 B/GA

Specifications: Objective diameter:  50 mm Magnification:  7 x Exit pupil: 7.14 mm Eye relief (acc. to spec): 17.3 mm Usable eye relief (measured from rim of eyecup): 15 mm IPD: 53 – 74 mm RFOV:  7.3  degrees = 128 m AFOV (measured, rounded): 51 degrees Minimum focus distance (measured): 5.35 m Focus type: CF (direction […]

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Steiner Commander 7×50 K

Specifications: Objective diameter:  50 mm Magnification:  7 x Exit pupil: 7.14 mm Eye relief (effective, measured from rim of folded down eyecup): 14 mm IPD: 57  – 74 mm RFOV:  7.4  degrees = 130 m Minimum focus distance (measured): 6.1 m Focus type:  IF (direction of rotation from close to infinity: > clockwise) Range of […]

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Steiner Commander 7×50

Specifications: Objective diameter:  50 mm Magnification:  7 x Exit pupil: 7.14 mm Eye relief (effective, measured from rim of folded down eyecup): 14 mm IPD: 57  –  74 mm RFOV:  8.3  degrees = 145 m AFOV (measured, rounded): 58 degrees Minimum focus distance (measured): 6.6 m Focus type:  IF (direction of rotation from close to […]