Entries by Christophe Zumstein

, ,

APM MS 25×100 ED

Specifications: Objective diameter:  100 mm Magnification:  25 x Exit pupil: 4 mm Eye relief (acc. to spec): 16 mm Usable eye relief (measured from rim of eyecup): 13.5 mm IPD:  56 – 74 mm RFOV:  2.7  degrees = 47 m Focus type:  IF Minimum focus distance (measured): 35 m Range of diopter adjustment (estimate): +/- […]

,

APM MS 28×110

Specifications: Objective diameter:  110 mm Magnification:  28 x Exit pupil: 3.9 mm Eye relief (acc. to spec): 15 mm IPD:  53 – 74 mm RFOV:  2.3  degrees = 40 m AFOV (according to spec.):  64 degrees Focus type:  IF Minimum focus distance (estimate): ca. 100 m Range of diopter adjustment (acc. to spec.): +/- 5 […]

, ,

APM MS 20×70 ED

Specifications: Objective diameter:  70 mm Magnification:  20 x Exit pupil: 3.5 mm Eye relief (acc. to spec): 16 mm Usable eye relief (measured from folded eyecup): 14mm IPD:  56 – 74 mm RFOV:  3.3  degrees = 58 m Minimum focus distance (estimate): ca. 24 m Focus type:  IF Range of diopter adjustment (acc. to spec.): […]

, ,

APM MS 20×80 ED

Specifications: Objective diameter:   80 mm True aperture:   80 mm (measured) Magnification:   20x Exit pupil:    4mm Eye relief acc. to spec: 16mm Usable eye relief (measured from rim of eyecup): 13.5mm IPD: 56 – 74 mm RFOV:  3.3 degrees =   58 m Minimum focus distance (estimate): 23 m Focus type: IF Range of diopter adjustment (acc. to spec.): +/- 10 dpt* Excess focus travel beyond infinity position […]

, ,

Lunt Engineering 7×50 MS

Specifications: Objective diameter:  50 mm Magnification:  7 x Exit pupil: 7.1 mm Eye relief (acc. to spec): 23 mm Usable eye relief (measured from rim of eyecup): 17 mm IPD:  56 – 74 mm RFOV:  7.5  degrees = 131 m AFOV (measured, rounded): 52.5 degrees Minimum focus distance (measured): 7.15 m Focus type:  IF Prism […]

, ,

Lunt Engineering 10×50 MS

Specifications: Objective diameter:  50 mm Magnification:  10 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:  6.5  degrees = 114 m AFOV (measured, rounded): 65 degrees Minimum focus distance (measured): 10.9 m Focus type:  IF Range […]

, ,

Lunt Engineering 20×70 MS

Specifications: Objective diameter: 70mm True aperture: 69mm (measured) Magnification: 20x Exit pupil: 3.5mm Eye relief (acc. to spec): 16mm Usable eye relief (mesured from folded eyecup): 14mm IPD: 56-74mm RFOV: 3.3 degrees = 58m Minimum focus distance (estimate): ca. 25 m Focus type: IF Range of diopter adjustment (acc. to spec.): +/- 10 dpt Excess […]