Player One Anti-Halo PRO Dual-Band 2″ Ha+OIII Filter Astrophotography Telescope imaging with narrowband-emissionline filters is

imaging with narrowband-emissionline filters is the best way to take great images

soft bag adopts high quality waterproof material to provide effective protection

Prepare the FF65APO telescope tube and the focal reducer

and analog FM systems

making it ideal for high-contrast H-alpha astrophotography and for revealing fine nebular detail even under challenging sky conditions

Player One Anti-Halo PRO Dual-Band 2″ Ha+OIII Filter Astrophotography Telescope imaging with narrowband-emissionline filters isAnti Halo PRO Dual Band 2 Ha+OIII Filter Description: The Anti Halo PRO Dual Band 2 Ha+OIII Filter is designed to address the issue of halos around stars when capturing famous deep sky objects. It offers a frame thickness of 5mm for the body and 2. 5mm for the thread, making a total of 7. 5mm. The filter glass has a thickness of 1. 85mm. Specifications: Ha CWL: 656. 3nm Ha Band Width: 3. 70. 5nm OIII CWL: 500. 7nm OIII Band Width: 3. 20. 5nm