Celestron SkyMaster Pro 20x80 Astronomical Binocular
Brand: Celestron
Reference: CB72031
Description
High quality construction astronomical binocular with 20x magnification per 80mm aperture, ideal for long distance observation; With it you will be able to observe the vastness of the night sky such as the moon, stars, constellations and locate the brightest planets. Suitable for terrestrial use.
Details
Powerful astronomical binoculars , ideal for those "amateur" astronomers who want to start astronomical observation and want first of all to position themselves and / or orient themselves in the sky. It is distinguished from other lower priced binoculars by its multi-coated optics, XLT optical technology used in its high-end telescopes, and its high-quality and rugged materials .
Thanks to its 20X we can get to observe in detail the moon and its surface, at the same time we will also be able to locate those brightest and therefore most important planets. The 80mm lens gives you great light-picking power in totally dark conditions, only under natural moon or star illumination.
Multiple XLT optical coatings , as well as higher-end Celestron telescopes , as well as multi- coated lenses ensure a sharp, color- corrected image , brightness and contrast . Internal BAK-4 prisms increase light collection and complete a premium optical system. The combination of its optical quality and the body of the binocular in polycarbonate and aluminum make it light and extremely robust with a quality that is unmatched in its price range.
They are filled internally with nitrogen , in this way we will avoid fogging the lenses. In addition, they resist any inclement weather such as rain and fog thanks to their waterproof treatment. Its use with tripod is recommended, to have greater stability in observation.
Characteristics:
- Magnification: 20x
- Lens diameter: 80mm
- Coatings: Multi-Coated XLT
- Angular field of view: 3.2 °
- Linear field of view: 56 m
- Minimum focus distance: 20.2m
- Pupillary relief: 15.5 mm
- Exit Pupil: 4mm
- Prism type: BaK-4
- Waterproof: Waterproof and Fogproof - Nitrogen Purged
- Relative brightness: 16
- Twilight factor: 40
- Interpupillary distance (mm): 56-72 mm
- Diopter adjustment range: ± 4
- Weight: 2.45 kg
- Warranty: unlimited lifetime
- Items Included: Built-in Tripod Adapter, Finder Rail, Objective Lens Caps, Rainguard, Neck Strap, Lens Cloth, Instruction Manual
Comments (2)
Questions (1)
Bonjour , j'ai oublié lors de mon premier mail de vous demander si vous vérifiez la bonne collimation des jumelles avant expédition ( ceci pour éviter les images dédoublées ). Cela nous est déjà arrivé , Je fais partie de l'observatoire Copernic à Haute- Corréo (05) et nous commençons les animations. Merci bien. Cordialement. Robert Rozier
Bon après-midi, Les jumelles sont collimatées en standard. Une collimation est considérée comme un défaut d'usine car c'est un déplacement des lentilles qui fait qu'il n'y a pas une mise au point correcte et on voit double. Cependant, ils doivent tenir compte de la portée de la qualité des jumelles et ne pas la confondre avec une décolimation. C'est-à-dire que c'est dans la normalité que des étoiles doubles, des distorsions dans les périmètres de l'objectif et des aberrations chromatiques, si minimes soient-elles, peuvent apparaître au niveau astronomique. Seules les jumelles à lentille aplanétique avec traitements optiques haute définition, comme les Fujinon FMT, seront celles qui n'offrent pas ces déficiences optiques. Salutations, Charles
Heavy but good
There‘s nothing to complain about. Very good binoculars
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