Our selection of flatteners reduce field curvature and allow images to focus sharply across CCD chips to provide a flat field.
APM M63 Riccardi Adjustment Flange is an additional flange to eliminate tilting on our APM M63 Riccardi APO-Reducer. Maximizes sharpness too!
APM M82 Riccardi Adjustment Flange is an additional flange to eliminate tilting on our APM M82 Riccardi APO-Reducer. Maximizes sharpness too!
The Takahashi 67-Flattner for the TOA-130F is designed for large format cameras. The flattener consists of 2 groups of mulit-coated ED glass. The image circle produced is 92 mm in diameter, with 3 micron stars at the center and 20 micron stars at the edge.