Optolong L-Para 2" Dual-band Filter Adapter and built-in Bahtinov Mask

and built-in Bahtinov Mask

Or you can also use lithium battery with 11-15V to power the camera

Cleaner setup

Bundle with the carbon fiber tripod and extension Pier

It has taken a good 15 years

Optolong L-Para 2" Dual-band Filter Adapter and built-in Bahtinov MaskL Para is a brand new dual narrowband 10nm light pollution filter. The FWHM of L Para is 10nm for OIII (500. 7nm) and H Alpha (656. 3nm) respectively. The transmittance of nebulae emission lines are both greater than 85% in system with focal ratios of F2 and above. It effectively filters out mercury lamp, sodium lamp, and LED light pollution emission lines. At the same time, it has excellent contrast and anti halo characteristics, allowing you to