in stock !
OPTOLONG UHC - CANON EOS CLIP FILTER
The Optolong UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deep sky objects. Selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lighting (including mercury vapor lamps, both high & low pressure sodium vapor lights, and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow)). Being highly transparent to the main nebula emission lines at OIII (496nm and 500nm), H-beta (486nm), NII (654nm and 658nm), H-alpha(656nm) as well as SII (672nm).
© Copyright 2012-2018 ov-optics.be - All Rights Reserved - VOF Oostvogels Belgie
You can reach us by telephone from thuesday to friday from 10u to 14u by calling +32(0)493154329
Emails will be answered from monday to sunday between 9u and 23u. Email firstname.lastname@example.org