Manufacturer Optolong
MPN Q1UH000404Y
Brand Optolong
Type Filter

Check the listing for details. Optolong Ultra High Contrast UHC Nebula Filter - 2". Condition: New. Listed at 90.10 USD. About Optolong's UHC FIlter. It does this by UHC has a narrower passband and thus provides higher contrast than a CLS (CIty Light Pollution / Light Pollution Reduction) filter. 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).

$45.05
$90.10