ZWO 131mm Quad APO Refractor Lego providing exceptional dynamic range

providing exceptional dynamic range

3 Length OTA (inch) 14

adapts M80 to M48

bright plage patches

the PowerTank Lithium LT features two output ports: 1 12V DC port for the telescope and 1 fast-charging 2

ZWO 131mm Quad APO Refractor Lego providing exceptional dynamic rangeZWO FF131 APO Flat Field Apochromatic Refractor *Focus can be achieved within a back focus range of 4273 mm, measured from the M54M48 interface shoulder. Main Features Flexible Connectivity for Multiple Configurations Uniqueness Four Element Optical Design The FF131 APO features a four element, fully air spaced apochromatic optical design. All four elements work together to deliver a flat imaging field without the need for an additional field