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 Takahashi TPL 18mm eyepiece provides a 48 degree apparent field of view and extremely sharp on-axis performance

The ultra-hard subzero coated bearing races are precision milled and much harder than anodized or stainless steel

M48 and T-2 on both sides) for full-frame camera

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