Entries by Christophe Zumstein

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Omegon 2.1×42

Specifications: Objective diameter:  42 mm Magnification:  2.1 x Exit pupil: N.A. Eye relief (acc. to spec): N.A. IPD:  56 – 73 mm RFOV:  “26 degrees” Focus type:  IF (direction of rotation from close to infinity: > clockwise) Excess travel beyond infinity position (estimate): 4 dpt Prism system:  none (Galilean) Waterproof: no Weight (measured, with eyepiece […]

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Astro Hutech Hinode 1.8×40

Specifications: Objective diameter:  40 mm Magnification:  1.8 x Exit pupil: N.A. Eye relief: N.A. IPD:  50 – 71 mm RFOV:  > 24 degrees Focus type:  IF (direction of rotation from close to infinity: > clockwise) Excess travel beyond infinity position (estimate): 3.5 dpt Prism system:  none (Galilean) Waterproof: no Weight (measured, with eyepiece cover and […]

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APM 8×30 MS ED (unbranded prototype)

Objective diameter:  30 mm Magnification:  8 x Exit pupil: 3.75 mm Eye relief (acc. to spec): 18.2 mm Useful eye relief (measured from rim of folded eyecup): 12.5 mm IPD:  57 – 72 mm RFOV:  8.1  degrees = 142 m AFOV (measured, rounded): 64 degrees Minimum focus distance (measured): 5.6 m Focus type:  CF (direction […]

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APM 6×30 MS (unbranded prototype)

Objective diameter:  30 mm Magnification:  6 x Exit pupil: 5 mm Eye relief (acc. to spec): 18.5 mm Useful eye relief (measured from rim of folded eyecup): 12mm IPD:  57 – 72 mm RFOV:  9.3  degrees = 163 m AFOV (measured, rounded): 55.5 degrees Minimum focus distance (measured): 3.1 m Focus type:  CF (direction of […]

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ZRAK RD-7×40

Specifications: Objective diameter:  40 mm Magnification:  7 x Exit pupil: 5.7 mm Eye relief (acc. to spec): 20 mm Usable eye relief (measured from rim of eyecup): 13.5 mm IPD:  52 – 73 mm RFOV (according to spec.): 8,5 degrees = 148 m RFOV (measured):  8.4  degrees = 147 m AFOV (measured, rounded): 60 degrees […]

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Kenko 10×30 IS

Specifications: Objective diameter:  30 mm Magnification:  10 x Exit pupil: 3.0 mm Usable eye relief (measured from rim of eyecup): 13 mm IPD:  54 – 74 mm RFOV:  5.2  degrees = 91 m AFOV (measured, rounded): 53.5 degrees Minimum focus distance (measured): 2.5 m Focus type:  CF (direction of rotation from close to infinity: < […]

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Zeiss Victory RF 8×42

Specifications: Objective diameter:  42 mm Magnification:  8 x Exit pupil: 5.25 mm Eye relief (acc. to spec): 17 mm Usable eye relief (measured from rim of eyecup): 16.5 mm IPD:  54 – 76 mm RFOV:  7.7  degrees = 135 m AFOV:  62 degrees Minimum focus distance (measured): 2.3 m Focus type:  CF (direction of rotation […]

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Kite Lynx HD+ 8×42

Specifications: Objective diameter:  42 mm Magnification:  8 x Exit pupil: 5.25 mm Eye relief (acc. to spec): 17 mm Eye relief (effective, measured from rim of eyecup): 13mm IPD:  55 – 73 mm RFOV:  8.6  degrees = 151 m AFOV (measured, rounded): 62 degrees Minimum focus distance (measured): 2.0 m Focus type:  CF (direction of […]

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Leupold BX-5 Santiam 15×56 HD

Specifications: Objective diameter: 56 mm Magnification: 15 x Exit pupil: 3.73 mm Eye relief (acc. to spec): 18 mm Usable eye relief (measured from rim of eyecup): 15.5 mm IPD: 55 – 74 mm RFOV: 4.4 degrees = 77 m (see remarks below) AFOV (measured, rounded): 64 degrees Minimum focus distance (measured): 2.25 m Focus […]

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Vanguard Endeavor ED IV 10×42

Specifications: Objective diameter:  42 mm Magnification:  10 x Exit pupil: 4.2 mm Eye relief (acc. to spec): 19 mm Usable eye relief (measured from rim of eyecup): 17 mm IPD:  57 – 75 mm RFOV:  6.5  degrees = 114 m AFOV (measured, rounded): 58 degrees Minimum focus distance (measured): 2.1 m Focus type:  CF (direction […]