Description
The Bresser ZOOMAR 8-25x25 pocket monocular with zoom has a continuously variable magnification in the range of8x-25x and a small 25mm objective lens. The monocular with BK-7 optical prisms and anti-reflective coating type FC ( fully coated, one layer on all optical surfaces) delivers a rather satisfactory image, especially at lower magnifications.
It must be taken into account that with increasing magnification the image will become darker and the field of view narrower, thus making observation less comfortable and the image quality will decrease proportionally. The field of view at 8x magnification is70m/1km (4°), at higher magnifications the field of view will be narrower.
| Lens size | 25 mm |
| Optical design | Roof |
| Optical glass | BK-7 |
| Anti-reflective layers | FC |
| Anti-reflective colour on lenses | Green |
| Output pupil diameter | 3.13 mm (at 8x) |
| Relative lens aperture (index) | 9.77 (at 8x) |
| Relative luminosity | Low |
| Dimming factor | 14.14 (at 8x) |
| Shortest focus point | 30 cm |
| Field of view at 1000 m | 70 m |
| Waterproof | No |
| Extra long exit pupil for observers with glasses | No |
| Tripod connection | No |
| Telescope body colour | Black |
| Dimensions | 12.7 x 3.2 x 3.2 cm |
| Weight | 124 g |
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