Explore Scientific 1.25″ UHC Nebula Filter
This Ultra High Contrast (UHC) filter by Explore Scientific allows you to view a wide range of nebulae. This filter blocks light from artificial lights and airglow with its narrow bandpass for superior contrast views.
The Explore Scientific 1.25″ UHC Filter has a transmission of 96.7% from 458nm to 508nm. Peak transmission is 488nm. This filter is mounted in a 1-1/4″ metal cell and fits all standard 1.25″ eyepieces and filter wheels.