Baader Herschel Prisma 2 Mark II visuel

2" wedge prism according to Herschel - Phantom Group® anti-reflective coating on one side, with ceramic solar finder and 2" ClickLock® eyepiece clamp - Integrated rotation device for polarization filter - the best method for brightness adjustment for visual solar observation and solar photography in white light. - In combination with the optional polarizing filter 2", (#2408342) and the included neutral density (grey) filter, it allows a stepless brightness adjustment. - Including the Baader 7.5 nm Solar Continuum 2" filter (540nm) (#2961581) for an uncompromisingly sharp solar image - S58 dovetail mount and safety notches on the receptacle, new 3-point adjustment system preset at the factory. You do not need an additional objective solar filter in front of your refractor telescope to safely observe the sun with the Baader Cool-Ceramic Herschel prism and the built-in ND 3.0 filter!