Specwell Monokular [8x20] - mit Gummibeschichtung

Monoculars are the optimal optics in a compact form, either used as a reading aids for private use or mounted on other devices for professional use, in the industry. Their compact size is a major benefit for recreational use, since monoculars are significantly smaller than binoculars. Do keep in mind that the  depth of field at close range is limited, so you will have to focus accordingly.

This robust model coated in rubber was especially created for use in demanding outdoor conditions.
The image is true-sided.
The monocular can be focused. 
The monocular lens system (ocular and objective) is achromatic (no chromatic aberration) and is antireflex coated. 

• Monocular: 8 x 20
• Magnification: 8x
• Distance 300 mm: 17.5x
• Working distance (min.): 250 mm
• Visual field, distance 300 mm: 25 mm
• Visual field, distance 1.000 m: 122 m
• Objective aperture: 20 mm
• Visual angle: 7°
• Relative brightness: 6.2
• Pupil diameter: 2.5 mm
• Dimensions: 91 x 40 mm
• Weight: 90g