Zenithstar 61II APO

William Optics Zenithstar 61 - Lightweight, conveniently sized and durable apochromatic lens telescope. Suitable for an excellent travel tube.

The two-speed focus (R&P model) is precise and smooth to use. The tightening screw can be used to adjust the focus movement.

The lens cover includes a patented bahtinov mask. With the mask, it is possible to set the telescope focus as accurately as possible with the help of star light. The front lens is colorless FPL-53 ED glass.

Particularly suitable for viewing large objects, such as open constellations. 

Great for star photography. Available separately as a focal length reducer.

• Diameter 61 mm, focal length 360 mm, f / 5.9
• Two-element lens element APO, with FPL-53 glass
• 2 "R&P focus for smooth, stable and reliable focusing
• Integrated carrying handle with Vixen-style viewfinder shoe holder
• The integrated Bahtinov mask makes focusing easier and better
• CNC mounting ring with saddle handlebar and longer dovetail, which makes balancing and mounting much easier and stiffer
• Padded carrying case
• Tube length: 245 mm retracted / 315 mm extended
• Tube weight: 2.2 kg