The SkyTech CLS-CCD (City Light
Suppression) filter is designed to improve the visibility of various
deepsky objects by blocking light pollution, while allowing light from
deepsky objects through.
SkyTech CLS-CCD filters are suitable f
or modified Canon DSLRs because
they block UV and IR light, which are normally blocked by the built-in
filters in the camera. This gives sharper stars.
The CLS-CCD filter has a wider pass-band than a UHC filter, so it gives a
more natural colour rendition than a UHC filter. CLS is therefore best
for mild to moderate light pollution on city outskirts or suburban
locations.
Compatible with all APS-C sized Canon EOS cameras. Not for full
frame cameras. Do not use with EFS lenses because the rear elements can
strike the filter. This is not an issue with most Sigma and 3rd party
EF-S lenses and of course telescopes.
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Scope of Delivery:
Products specifications
Thickness
1mm
Coating
Multi-coating, anti-reflective
Cell
EOS Chlip Filter
Transmission
95% transmission of main nebula emission lines (i.e. Ha 656nm, OIII 496nm & 500nm, SII 672nm and H-beta 486nm).
