Baader ASTF Astrosolar Telescope Filter Low Profile Each filter set consists of

Each filter set consists of two polarizing filters

Focal Length of Eyepiece 1 (mm): 20 mm

Baader balances each dielectric coating stack to avoid the ghosts and annoying halos that plague other mfgr's filters

the Orion Nebula

LUNAR and SIDEREAL tracking rates

Baader ASTF Astrosolar Telescope Filter Low Profile Each filter set consists ofBaader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar Safety Film. Available in 80mm, 100mm, 120mm, 140mm, 160mm, 180mm, 200mm, 220mm, 240mm, 280mm *** Follow this link to easily identify the Baader solar filter that best fits your model *** All Baader Solar Filters feature: Original Baader AstroSolar Safety Film (OD 5. 0), cell mounted and quality inspected by skilled members of our staff Clear