Baader Semi-APO Filter - Round Mounted - FSAPO- 15 mm Eyepieces Camera Control port

Camera Control port

Baader Contrast Booster Filter Specifications

Secondary Mirror Obstruction by Area: 14 %

Explore Scientific 30mm 82 Degree Series Waterproof Telescope Eyepiece - 2" Features

Baader Semi-APO Filter - Round Mounted - FSAPO- 15 mm Eyepieces Camera Control portAbout the Baader Semi APO Filter Round Mounted The Baader Planetarium Semi APO Filter works like it'''s name implies, delivering an amazingly neutral view, while cutting most of the annoying and contrast robbing violet fringe that plagues all achromats. The Semi APO filter combines a stronger Fringe Killer coating formula with the Moon & Skyglow Neodymium substrate. The result is similar performance to the Fringe Killer plus Moon & Skyglow