Baader UV/IR Cut L-Filter Size::2" Just twist the upper knurled

Just twist the upper knurled locking ring and your 1

Individual Eyepiece Focus to ensure optimal focus position

transmission

or sometimes a top quality commercially polished filter glass (fine for camera filters)

Magnification (x): 25x

Baader UV/IR Cut L-Filter Size::2" Just twist the upper knurledUV IR Cut L Filter 1. 25" or 2" w LPFC Planoptically polished and hard coated! Blocks UV below 400nm and IR above (SII) 680nm. Maximum transmission, scratchproof hard coated. Baader Planetarium has introduced the world's finest UV IR cut filter. This filter is a must for all digital imaging with Digital Cameras, CCD Cameras, and modified WebCams. Also useful for protecting valuable H Alpha filters from heat stress and damaging IR. Due to their