Baader AstroSolar Telescope Filter 240mm - OD 5.0 - ASTF-240 Alt-Azimuth Telescopes compact design

compact design

while cutting most of the annoying and contrast-robbing violet fringe that plagues all achromats

5 m) ft (6

eyepiece & objective covers

Note: Bino-Viewers may not function with some short focal length refractors and Newtonian reflectors without modification

Baader AstroSolar Telescope Filter 240mm - OD 5.0 - ASTF-240 Alt-Azimuth Telescopes compact designBaader AstroSolar Telescope Filter 240mm Tubes 260 300mm 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