Baader AstroSolar Telescope Filter 200mm - OD 5.0 - ASTF-200 vendor-antares which are designed to make

which are designed to make them the ideal projection eyepiece

fixed-orientation Helical focuser

optical length <50mm

Eyepiece Field of View - Apparent: 68 degrees

Barrel Size:                          1

Baader AstroSolar Telescope Filter 200mm - OD 5.0 - ASTF-200 vendor-antares which are designed to makeBaader 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