Baader AstroSolar Telescope Filter 240mm - OD 5.0 - ASTF-240 Alt-Azimuth Telescopes The Explore Scientific 2" Dielectric

The Explore Scientific 2" Dielectric Diagonal is a nice light weight diagonal

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

compact design

Advanced VX features significantly larger base castings than our previous Celestron Telescope Mount design

Fully multi-coated optics provide brighter images by increasing light transmission through the entire optical path

Baader AstroSolar Telescope Filter 240mm - OD 5.0 - ASTF-240 Alt-Azimuth Telescopes The Explore Scientific 2" DielectricBaader 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