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Astronomik CLS CCD clip filter for Canon EOS XL (With IR filter)

Filre CLS-CCD XL/EOS FULL FRAME

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Astronomik CLS CCD clip filter for Canon EOS XL

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282.3 CHF

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Product description:

Astronomik CLS Filter

The Astronomik CLS is a budget filter for visual observation, Black & White photography and CCD photographs of nebulae, galaxies and star clusters with astronomical instruments of any size.

We have re-desgined all of our photographic filters. Since the end of 2008 we are shipping our new "Halo-Free" filters.

The Astronomik CLS blocks the light of the spectral lines of mercury and sodium-vapor lamps and lets the largest part of the visible light and H-alpha emissions pass. All the important emission lines, as well as the spectral region that the very well dark adapted eye can see, can pass through the filter.

Main use

The filters are optimized for use with aperture ratios from 1:3 to 1:15. Transmission losses and chromatic distortions, which are problems with other filters, only appear with Astronomik filters when extremely bright aperture ratios of 1:2 and more are used. The CLS filter is suitable for use with telescopes of all aperture sizes.

In contrast to purely visual filters, photographic CCD filters have built-in IR-blocking, which prevents the optical problems caused by infrared radiation.

Please note: In principleall camera lenses can be used with the Clip-Filter - i.e. Canon EF lenses or camera lenses from other third party manufacturers such as Sigma, Tamron, Tokina, Walimex etc. However, the use of clip-filters with Canon EF-S lenses is NOT possible!

Specifications:

Capacity

Type Broadband filters
Coating of optical system multiple
Frame EOS-XL-Clip

General

Series CLS CCD

Area of application

Useful for photographs yes
Anti light-pollution yes
Visually useful no

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