Kernel uses a threaded internal glass filter to block certain wavelengths of light from reaching the sensor.

PLEASE NOTE: This filter is only compatible with the Kernel cameras, not the Survey cameras.

Outer Diameter Threads:25.4mm x 1-32 UN 2A (C Mount) pitch
Clear Aperture:9.0mm
Filter Mount Thickness:3.0mm
Mount Material:Black Anodized Aluminum
Filter Glass Thickness:1.0mm
Filter Glass Surface Quality:40/20