APM RICCARDI APO 1x FLATTENER FOR LONG REFRACTORS Linear ESATTO has a M81x1 male

ESATTO has a M81x1 male thread to connect and manually rotate many cameras and accessories by adding the optional adapters with stop rings

The heavy duty rack & pinion 3

5" LP focuser to the M117 thread of GSO/Orion/TPO Ritchey-Chretien 10"

the optical tube has to be mounted on the right hand side when pointing forward

not the diameter of the lens

APM RICCARDI APO 1x FLATTENER FOR LONG REFRACTORS Linear ESATTO has a M81x1 maleThe APM Riccardi 1. 0x Apo Flattener Model 2 is a high quality triplet ED flattener for long apochromatic refractors. This model is suitable for refactors with focal ratios from f 7 and slower and focal lengths above 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