APM RICCARDI APO 1x FLATTENER FOR SHORT REFRACTORS Electronic adapter The width of bandpass of

The width of bandpass of the 3 RGB filters is balanced with the spectral response of the most common CCD and CMOS cameras

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APM RICCARDI APO 1x FLATTENER FOR SHORT REFRACTORS Electronic adapter The width of bandpass ofThe APM Riccardi 1. 0x Apo Flattener Model 1 is a high quality triplet ED flattener for short apochromatic refractors. This model is suitable for refactors with focal ratios faster than f 7 and focal lengths below 1000mm. Designed by legendary optical designer Massimo Riccardi, this flattener provides a fully illuminated field of 60mm. It features exceptionally good correction of longitudinal and transverse aberrations with truly apochromatic