Porro binoculars, BK-7 glass, central focusing
- Rugged and compact
- Ergonomic body
- High image quality, suitable for eyeglass wearers
- Dimensions: 172x55x155 mm, Weight: 700 g
- Scope of delivery: binoculars, nylon bag, carrying strap, lens cloth
€49.90*
Currently not available
Product information "NATIONAL GEOGRAPHIC 8x40 Porro Binoculars"
The body of the NATIONAL GEOGRAPHIC 8x40 Porro binoculars is provided with a rubber coating, which together with the ergonomic shape provide for a solid grip. For comfortable long-term observations, a tripod thread is integrated.
FEATURES
- High quality lenses made of optical glass
- Diopter adjustment ±2
- Adjustable interpupillary distance
- Binoculars
- Nylon bag
- Carrying strap
- Lens cloth
- Manual
| Batteries included: | No |
|---|---|
| Body armouring: | Rubber |
| Colour: | black |
| Compass: | No |
| Diopter setting: | Yes |
| ED glass: | No |
| Exit pupil min. (mm): | 5 |
| Extended warranty (years): | 5 |
| Eyepieces for eyeglass wearers: | No |
| Eye relief (mm): | 15 |
| Field of application [Binoculars]: | Bird watching & Nature observation , Traveling & Sports |
| Field of view at 1000m 7) (m): | 110 |
| Focusing system: | Central focus wheel |
| Inert gas purged: | No |
| Interpupilar distance max. (mm): | 72 |
| Interpupilar distance min. (mm): | 56 |
| LE Eyepieces: | No |
| Magnification: | 8 |
| Material prisms: | BK-7 |
| Mirror/Lens diam. (mm): | 40 |
| Near focus from 7) (m): | 7 |
| Net weight (without access.) (g): | 80 |
| Optical design: | Porro |
| Relative brightness 7): | 25 |
| Single eye adjustment: | No |
| Temperature range max. (°C): | 40 |
| Temperature range min. (°C): | -10 |
| Total height (mm): | 55 |
| Total length (mm): | 172 |
| Total width (mm): | 155 |
| Tripod adapter thread: | No |
| Twilight factor 7): | 17.7 |
| Type [Binoculars]: | Standard Binoculars |
| Waterproof 8): | No |
| Zoom function: | No |
Product and safety instructions
Manufacturer:
Bresser GmbH, Gutenbergstraße 2, 46414 Rhede
www.bresser.de