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BRESSER Spezial-Astro 25x70

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$107.83 
Astronomical binoculars with 25x magnification and good protection against dust and moisture. Made according to the classic Porro scheme using optical elements made of barium glass (BaK-4). Multi-coated optics provide a uniformly bright image across the entire field of view. The optical elements of the BRESSER Spezial-Astro 25x70 binoculars are located inside a durable aluminium housing with a non-slip rubber coating. Since the device is intended for observing astronomical objects and has a large magnification, the design provides for the possibility of mounting binoculars on a tripod. The set includes a case in the form of a soft bag with a strap.
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BRESSER Spezial-Astro 25x70
Type:astronomy
Magnification:25 x
Lens diameter:70 mm
Field of view at 1 km:35 m
Focus:central
Prism:Porro, BaK-4
Weight:1300 g

Astronomical binoculars with 25x magnification and good protection against dust and moisture. Made according to the classic Porro scheme using optical elements made of barium glass (BaK-4). Multi-coated optics provide a uniformly bright image across the entire field of view. The optical elements of the BRESSER Spezial-Astro 25x70 binoculars are located inside a durable aluminium housing with a non-slip rubber coating. Since the device is intended for observing astronomical objects and has a large magnification, the design provides for the possibility of mounting binoculars on a tripod. The set includes a case in the form of a soft bag with a strap.

All specifications
Specifications Spezial-Astro 25x70
Colour
Product typebinoculars
Magnification25 x
Optical characteristics
Field of view 1 km away35 m
Real angle of view2 °
Min. focus distance10 m
Twilight factor41.83
Relative brightness7.84
Diopter adjustment
Diopter correction range±5 D
Design
Lens diameter70 mm
Exit pupil diameter2.8 mm
Eye relief16.1 mm
Focuscentral
Anti reflective coatingfull multilayer
PrismPorro
Prism materialBaK-4
Interpupillary adjustment
Interpupillary distance56 – 72 mm
General
Dustproof, water resistant
Case
Tripod adapter
Bodyrubber coated aluminium
Size275x205x82 mm
Weight1300 g
Added to E-Catalogdecember 2019
Information in model description is for reference purposes.
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