Baader AstroSolar Telescope Filter 200mm - OD 5.0 - ASTF-200 vendor-antares Barrel Size: 1

Barrel Size:                          1

49 arc seconds Light Gathering Power (Compared to human eye) 1127x Secondary Mirror Obstruction 3

This product number is for the Lunt H-alpha Single Pass Front Mount Etalon System for telescopes with 2" focuser and up to 1080mm focal length

which are designed to make them the ideal projection eyepiece

Eyepiece Field of View - Apparent: 68 degrees

Baader AstroSolar Telescope Filter 200mm - OD 5.0 - ASTF-200 vendor-antares Barrel Size: 1Baader AstroSolar Telescope Filter 200mm Tubes 220 260mm OD Safe for solar observation and photography with all high end telescopes and extreme tele lenses. Suitable for highest magnifications and detailed observation of individual sunspots AstroSolar Safety Film OD 5. 0, mounted stress free in temperature compensated cell No astigmatism during winter observation or with temperature changes in summer Scope of supply: ASTF Filter with apertures from 80