Baader IR-Pass 670nm Filter - 2" Round Mounted - FIRP-2 UHC Filters Anti reflection angle that prevents

Anti reflection angle that prevents reflection back to the objective

Exit Pupil 4mm

Celestron has included a nice selection of accessories for your new Celestron AstroMaster with this purchase

The E-Lux 2x Barlow is fully multicoated and gives you a total of six power combinations

Baader IR-Pass 670nm Filter - 2" Round Mounted - FIRP-2 UHC Filters Anti reflection angle that preventsAbout 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.