William Optics · RedCat 71 · 71mm quadruplet APO refractor telescope
Key specifications
Aperture
71 mm
Focal length
348 mm
Focal ratio
f/4.9
Optical design
Quadruplet APO
Weight
2.8 kg
All specifications
Focuser type
Helical
Tube length
435 mm
Dovetail
Vixen
About
A 71 mm f/4.9 four-element Petzval astrograph needing no flattener, covering a 43 mm image circle. Uses a helical focuser and ships with a tilt adjuster, rotator and M54 to M48 adapter, on a dovetail that works as both Vixen and Arca-Swiss. Now discontinued.