Binoculars, 7x50 Porro, NATIONAL GEOGRAPHIC
Will get 28.06.2024 |
These elegant Porro-prism binoculars have excellent optical characteristics. The fully coated optics guarantee a decisively higher light transmission through the glass, thus increasing color fidelity and contrast. Diopter compensation is standard with these models. This makes these binoculars suitable for beginner birders or nature observers. Even on windy days, due to the 7x magnification, a stable image is provided. The 50 mm objective lenses gather enough brightness for observation even in twilight conditions. A carrying pouch and neck strap are included. For longer observations, a tripod-adapter thread is integrated.
FEATURES
SCOPE OF DELIVERY
FIELD OF APPLICATION | |
---|---|
Field of application | Bird watching & Nature observation |
TYPE | |
Type | Standard Binoculars |
OPTICAL SPECIFICATIONS | |
Optical design | Porro |
Magnification | 7 |
Mirror/Lens diam. | 50 mm |
Material prismn | BK-7 |
Type of coating | Fully coated |
Colour of coating | green |
Diopter setting | ✓ |
Field of view at 1000m | 122 m |
Field of view | 6.97 degrees |
Light intensity | 51 |
Twilight factor | 18.71 |
GENERAL TECHNICAL DATA | |
Turns of focus drive over entire focal range | 1.25 |
Interpupilar distance min. | 58.46 mm |
Interpupilar distance max. | 71.28 mm |
Colour | black |
Body material | Metal |
Body armouring | Rubber/Metal |
Dust protection caps | for objective and eyepiece, individually removable |
Warranty | 2 years |
DIMENSIONS & WEIGHTS | |
Total length | 195 mm |
Total width | 178 mm |
Total height | 62 mm |
Net weight (without access.) | 770 g |
Warranty: | 10 |
Optical materials: | BK-7 |
Relative brightness: | 50.98 |
Twilight factor: | 18.71 |
Eyecups: | rubber |
Brand: | Bresser GmbH, Germany |
Package size (LxWxH), cm: | 20x22x8 |
Shipping Weight, kg: | 1.09 |
Body material: | rubberized |
Application: | marine, hunting and fishing |
Pouch in set: | True |
Objective lens diameter (aperture), mm: | 50.0 |
Size: | classic |
Max. Magnification: | 7 |
Lens coating: | fully coated |
Field of view, °: | 7 |
Close focus, m: | 8 |
Field of view, m/1000 m: | 122 |
Focusing: | central |
Exit pupil diameter, mm: | 7.14 |
Prism type: | Porro |
Adaptable to a tripod: | standard 1/4” thread |
Interpupillary distance, mm: | 56â73 |
Eyepiece diopter adjustment, diopters: | ±5 |
Operating temperature range,°C: | -10â¦+40 |
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