Explore Scientific 2″ UHC Nebula Filter
This Explore Scientific 2″ Ultra High Contrast (UHC) filter lets you 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 2″ UHC Filter has a transmission of 96.7% from 458nm to 508nm. Peak transmission is 488nm. This filter is mounted in a 2″ metal cell and fits all standard 2″ eyepieces and filter wheels.