Entries by Christophe Zumstein

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 […]

,

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 […]

, ,

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 […]

, ,

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 […]

,

Fujinon Techno-Stabi 12×28

Specifications: Objective diameter:  28 mm Magnification:  12x Exit pupil: 2.33 mm Eye relief (acc. to spec): 17.5 mm Usable eye relief (measured from rim of eyecup): 15 mm IPD:  55 – 75 mm RFOV:  4.2  degrees = 73 m AFOV:   47.5 degrees Minimum focus distance (measured): 2.3 m Focus type:  CF (direction of rotation […]

, ,

Hawke Frontier ED X 8×42

Specifications: Objective diameter:  42 mm Magnification:  8 x Exit pupil: 5.25 mm Eye relief (acc. to spec): 18 mm Useful eye relief (measured from rim of eyecup): 16mm IPD (measured): 56 – 73 mm RFOV (acc. to specs.):  8.1  degrees = 142 m AFOV (measured, rounded): 60.5 degrees Minimum focus distance (measured): 2.15 m Focus […]

, ,

Kite Cervus HD 8×56

Specifications: Objective diameter:  56 mm Magnification:  8 x Exit pupil: 7 mm Eye relief (acc. to spec): 20 mm Usable eye relief (measured from rim of eyecup): 16 mm IPD:  56 – 76 mm RFOV:  7.3  degrees = 128 m AFOV (measured, rounded): 55 degrees Minimum focus distance (measured): 3.0 m Focus type:  CF (direction […]

,

Oberwerk BT-82XL-ED

No longer part of the collection Specifications: Objective diameter: 82 mm Focal length: 450mm Focal ratio: f/5.5 Effective aperture: 80mm (acc. to spec.) IPD: 50 – 80 mm Focus type: IF Waterproof: splashproof Weight (measured w/o eyepieces, with eyepiece covers and objective caps): 4‘868 g Made in: China Remarks: This is the second binocular telescope […]

,

Oberwerk BT-100XL-ED

No longer part of the collection Specifications: Focal length:  560 mm Objective diameter: 100mm Effective aperture:  96 mm (acc. to spec) IPD: 50 – 80 mm Focus type: IF Focal ratio: f/5.6 Waterproof: splashproof Weight (measured, w/o eyepieces, with eyepiece cover and objective caps): 5‘670g Made in: China Remarks: In 2018, Oberwerk of Dayton, Ohio, […]

, ,

Steiner Ranger Xtreme 8×56

Specifications: Objective diameter:  56 mm Magnification:  8 x Exit pupil: 7.0 mm Eye relief (effective, measured from rim of folded down eyecup): 13.5 mm IPD: 59  –  75 mm (measured) RFOV:  7.1  degrees = 125 m AFOV (measured, rounded): 56.5 degrees Minimum focus distance (measured): 2.2 m Focus type:  CF (direction of rotation from close […]