Baader IR-Pass 670nm Filter - 2" Round Mounted - FIRP-2 Meade Closeout This shifting is indeed minimal

This shifting is indeed minimal

the Etalon filter systems have to be adjusted to the prevailing air pressure at the observation location

These coatings are applied with the latest thin-film German coating equipment

then the AstroMaster Series is for you

Construction: Black anodized aluminum cell

Baader IR-Pass 670nm Filter - 2" Round Mounted - FIRP-2 Meade Closeout This shifting is indeed minimalAbout the Baader IR Pass 670nm Filter 2" Round Mounted Baader Planetarium delivers the latest tool in the planetary imager''s bag of tricks. The Baader IR Pass Filter blocks wavelengths below 670 nm. At these longer wavelengths, planetary images are less disturbed by wavefront distortions in the atmosphere (seeing). By combining a luminance image taken with the IR Pass filter, along with RGB frames, overall image sharpness is significantly enhanced.