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Astronomy > Filters > Nebulae filters > Broadband Filters > Astronomik > CLS CCD > Astronomik Filters 2" CLS CCD filter
Product no.: 16748

Filters 2" CLS CCD filter

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Product description

Astronomik CLS-CCD Filter

The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been remodeled for astronomical use. The filter enhances the contrast between all deep-sky objects and the background.

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

The CLS-CCD Filter enhances the contrast between astronomical objects and the background. Due to the wider transmission curve compared to UHC filters, a greater amount of light will pass the filter. Stars will be less dimmed. This filter has been optimized to block as much spurious light as possible and simultaneously provide the best performance for 'useful' light. A good filter for DSLR-, CCD- and film b/w-photography as well as observation of deep-sky-objects with telescopes or photo lenses of all aperture f/3 and above.

Main use

The filter blocks completely emission lines of artificial light sources like streetlights (e.g. sodium- and mercury-vapor) as well as the airglow. All 'important' emission lines as well as the spectral range of the night-adapted eye are beeing passed. The supplementary IR-blocking layer allows the use for DSLR- and Webcams without an integrated IR-block filter.

Specifications

Capacity


Connection (to the telescope)
2"
Coating of optical system
multiple
Mount material
Aluminium
Frame
2"

General


Series
CLS CCD
Type
Filters
Type of build
Broadband Filters

Area of application


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

Product safety

manufacturer: astro-shop, Eiffestr. 426, 20537 Hamburg, DE, www.astro-shop.com
Astronomik Filters 2" CLS CCD filter
Light transmission curve

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