Antlia ALP-T Dualband 5nm HA & OIII Filter - High Speed Version for f/2.2 - f/3.6 Optics - 2" - ALPT-DB-5NM-HAOIII-HS-2 Antlia Dual & Tri-Band Filters the Celestron CPC 800 GPS

the Celestron CPC 800 GPS (XLT) Computerized Telescope is portable enough to set up in your backyard or take with you to your favorite dark sky location

WiFi control remains active even when SESTO SENSO 3 is connected to a computer

once attached to the 80ED Focal ratio f/4

the LS152THa Lunt Solar Telescope provides a very large and high resolution image size

Antlia ALP-T Dualband 5nm HA & OIII Filter - High Speed Version for f/2.2 - f/3.6 Optics - 2" - ALPT-DB-5NM-HAOIII-HS-2 Antlia Dual & Tri-Band Filters the Celestron CPC 800 GPSAbout the High Speed Characteristics of this Dual Ha OIII 5nm Filter The Antlia ALP T Dual Band 5nm Highspeed Filters are further optimized to work with very fast imaging systems by shifting the passband and center wavelength slightly. Using these highspeed filters with optical focal ratios between f 2. 2 and f 3. 6 shows more contrast in nebulae imaging compared to the standard version of this filter. For f ratios slower than f 3. 6, the standard ALP