BRESSER Spezial Astro 25x70
Astronomical binoculars, magnification: 25 x, lens diameter: 70 mm, output pupil diameter: 2.8 mm, weight: 1300 g
Astronomical binoculars, magnification: 25 x, lens diameter: 70 mm, output pupil diameter: 2.8 mm, weight: 1300 g
Main Characteristics |
|
Types |
Binoculars |
Theater binoculars |
|
Astronomical binoculars |
|
Built-in compass |
|
Built-in range finder |
|
Optical stabilizer |
|
Digital Cameras |
|
Technical Specifications |
|
Zoom |
|
Increases |
25x |
Lens diameter |
70 mm |
Diameter of the output pupil |
2.8 mm |
Field of view at a distance of 1000m |
35 m |
Focusing |
centralised |
Minimum Focusing Distances |
9.30 a.m. |
Type of prism |
Porro |
Materials of prism |
BAK-4 |
The Twilight Factor |
42 |
Removal of the exiting pupil |
17 mm |
Adjusting the distance between pupils |
|
Interpupillary distance, min |
56 mm |
Distance between pupils, max |
72 mm |
Aspheric lenses |
|
Low-dispersion lenses |
|
Multilayer coating of lenses |
|
Corpus |
|
Retractable eyelids |
|
Rubber eyelids |
|
Protection from moisture and dust |
|
Nitrogen/argon filling |
|
Shockproof housing |
|
Rubberized hull |
|
Housing material |
Metals |
Mounting on a tripod |
|
Flap/case in set |
|
Dimensions and weight |
|
Width |
205 mm |
Heights |
82 mm |
Length |
275 mm |
Weight (disambiguation) |
1,300 g |