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

3 Field Stop 7

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

TeleVue 2" Focuser Extension Tube Specifications

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.