ZWO FF131 - 131mm f/7.5 Flat Field APO Refractor - FF131-APO Wanderer Rotators compact optics — especially single-eye

compact optics — especially single-eye devices — were limited by hand movement

Die-cast aluminum body

Exploring deep sky objects such as the Orion Nebula or the summer Milky Way is also highly enjoyable

When the gain is 182

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

ZWO FF131 - 131mm f/7.5 Flat Field APO Refractor - FF131-APO Wanderer Rotators compact optics — especially single-eyeZWO 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