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Kahles Helia S 8×42

Objective diameter:  32 Magnification:  8 x Exit pupil: 4.0 mm Eye relief (acc. to spec): 18.5 mm Useable eye relief (measured from rim of eyecup): 15.5 mm IPD:  56 – 74 mm RFOV:  7.8 degrees = 136 m AFOV: 61 degrees Minimum focus distance (measured): 3.0 m Focus type:  CF (direction of rotation from close […]

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Swarovski NL Pure 8×32

Objective diameter:  32 Magnification:  8 x Exit pupil: 4.0 mm Eye relief (acc. to spec): 18 mm Useable eye relief (measured from rim of eyecup): 16.5 mm IPD:  56 – 74 mm RFOV:  8.5 degrees = 150 m AFOV: 65 degrees Minimum focus distance (measured): 2.0 m Focus type: CF (direction of rotation from close […]

Pentax VD 4×20

Objective diameter:  20 mm Magnification:    4x Exit pupil:     5.0 mm Usable eye relief (measured from rim of eyecup): 17 mm IPD:  54 – 72  mm RFOV (acc.to spec.):    10 degrees =  175 m RFOV (measured): 10.1 degrees = 177 m AFOV: 40 degrees (approx.) Focus type:  IF (direction of rotation from close to infinity: > […]

Pentax FB-8 8×18

Objective diameter:  18 x 9 mm (square) Magnification:    8x Exit pupil:     2 x 1 mm (square) Eye relief acc. to spec.: 11 mm Usable eye relief (measured from rim of eyecup): tbd IPD:  54 – 72  mm RFOV:    7.5 degrees =  131 m / 1000m AFOV: 60 degrees (approx.) Focus type:  CF (direction of rotation […]

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Fujinon 8×42 HC

Specifications: Objective diameter:  42 mm True aperture (measured): 42 mm Exit pupil diameter (acc. to spec): 5.25 mm Exit pupil diameter (measured): 5.1 mm Magnification (acc. to spec):  8 x True magnification (measured): 8.2 x Eye relief (acc. to spec): 18 mm Useable eye relief (measured from rim of eyecup): 14.5 mm IPD (acc. to […]

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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 Minimum focus distance (measured): 1.95 m Focus type: CF (direction of rotation from […]

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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 AFOV: 70 degrees Minimum focus distance (measured): 1.9 m Focus type: CF (direction of rotation from […]

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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 AFOV: 69 degrees Minimum focus distance (measured): 2.0 m Focus type: CF (direction of rotation from […]