ZWO FF131 - 131mm f/7.5 Flat Field APO Refractor - FF131-APO Wanderer Rotators It provides a fast and

It provides a fast and accurate polar axis alignment with a Quick Polar Alignment procedure

Die-cast aluminum body

and your eyepiece from falling should it accidentally loosen from the focuser

Manufacturer: iOptron Product SKU: G281B3 Function: GEM - German Equatorial Mount Weight: 10 lb (4

GENERAL Lens Design: Double-Gauss Aperture: 28mm (1

ZWO FF131 - 131mm f/7.5 Flat Field APO Refractor - FF131-APO Wanderer Rotators It provides a fast andZWO FF131 APO Flat Field Apochromatic Refractor Main Features Flexible Connectivity for Multiple Configurations 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 flattener. One ED (extra low dispersion) glass element is incorporated to effectively reduce chromatic aberration, resulting