Product Description
Brand: Bosma
Product parameter
Product name: honggu 8 * 42/Swan 8*42
Magnification: 8x
Objective lens aperture: 42 mm
Prism system: roof ridge
Focusing system: central focusing
Field of view m / 1000m: 142m
Field of view angle: 8.1 degrees
Near focal distance: 2.5m
Exit pupil diameter: 5.2mm
Exit pupil distance: 22.6mm
Product name: honghu 10*42/swan 10 * 42
Magnification: 10x
Objective lens aperture: 42 mm
Prism system: roof ridge
Focusing system: central focusing
Field of view m / 100m: 114m
Field of view angle: 6.5 degrees
Near focal distance: 2.5m
Exit pupil diameter: 4.2mm
Exit pupil distance: 18.5mm
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