The William Optics Zenithstar 81 is a two element designed APO refractor with P-FLAT6AIII Reducer / Field Flattener.
Using FPL-53 glass this telescope provides excellent aberration correction.
- Smooth, stable and reliable rack and pinion 2.5″ focuser
- Built-in Bahtinov mask
- CNC Handle bar with dovetail slot
- P-FLAT6AIII Reducer / Field Flattener
- Soft carry case is included
|Aperture||F5.5 (with the included 0.8 Reducer / Flattener)|
|Camera Format||APS-C, Full Frame|
|Focuser||2.5″ Rack and Pinion|
|Recommended Flattener||FLAT 6A III|