Bresser National Geographic 10x25 Monocular
Magnification: 10x. Objective lens diameter: 25mm
10
The magnification ratio indicates the degree of proximity of an object
25
The lens diameter refers to the size of the front lens of the device in millimeters. The larger the aperture is, the less sensitive the device will be to external light
BK-7
What monocular lenses and prisms are made of and what affects the image quality
Availability
Product ID | 60036 |
Brand | Bresser GmbH, Germany |
Warranty | 2 years |
EAN | 0611901513270 |
Package size (LxWxH) | 13x6x6 cm |
Shipping Weight | 0.13 kg |
Description
Bresser National Geographic 10x25 Monocular is a practical and compact tool with a 25mm lens and a powerful 10x magnification. It is equipped with a convenient focusing wheel and a soft rubber eyecup. If you wear glasses, the eyecup can be folded and thereby increases the field of view. The model comes with a neck strap and a soft protective cover.
Specifications
Product ID | 60036 |
Brand | Bresser GmbH, Germany |
Warranty | 2 years |
EAN | 0611901513270 |
Package size (LxWxH) | 13x6x6 cm |
Shipping Weight | 0.13 kg |
Magnification, x | 10 |
Objective lens diameter (aperture), mm | 25 |
Optics material | BK-7 |
Lens coating | fully coated |
Exit pupil diameter, mm | 2.4 |
Twilight factor | 15.81 |
Relative brightness | 6.25 |
Field of view, ° | 5.4 |
Field of view, m/1000m | 98 |
Close focus, m | 5 |
Eyecup | foldable, rubber |
Body | plastic, rubberized |
Additional | prism: roof |
References
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