Product no.: 53729Manufacturer: Astronomik
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Please note that this product desciption was translated by a computer. For more information please contact our english speaking customer service.
The CLS filter increases the contrast between astronomical objects and the sky background .
Due to the large half-width, a correspondingly large amount of light is passed, so stars are only slightly attenuated. The CLS filter is designed to block as much light as possible while still allowing as much light as possible to pass through the objects.
The useful scope of application extends to visual observation through an aperture ratio of f / 2 to f / 15 for telescopes from 2 "(50mm) aperture and for photography via lenses and telescopes of all diameters.
Compatibility: Clip filters for Sony Alpha can be used on models 7, 7r and 7s.
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