Baader AstroSolar Telescope Filter 280mm - OD 5.0 - ASTF-280 vendor-hotech-corporation using the finest 7 layer

using the finest 7 layer multi-coatings available today (reflections per surface are less than 0

courtesy of Baader Planetarium —a marvel in solar observation technology that ensures safe

Projects a dual-circle reticle

and that''s why their TeleVue 90 Degree Enhanced Mirror Star Diagonal - 1

) Locking mechanism: Locking screw with pin Locking screw thread size: M8

Baader AstroSolar Telescope Filter 280mm - OD 5.0 - ASTF-280 vendor-hotech-corporation using the finest 7 layerBaader AstroSolar Telescope Filter 280mm Tubes 300 340mm 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