The SkyTech CLS (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 filters are
suitable for unmodified Canon DSLRs . The CLS 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 Canon 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.
VIDEO
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).
