William Optics New Super ZenithStar 73 III f/5.9 OTA FPL53 Doublet APO 2.5" R&P Focuser

This model 73mm ZenithStar Doublet APO Refractor from William Optics boasts Ohara FPL-53 glass from Japan and a saddle handle bar that accepts Synta-style dovetails, such as the UniGuide guidescope or the Slide base guiding rings (not included). The ZenithStar 73 also comes with a 2.5" Rack & Pinion focuser and Dual Sided dovetail bar. The William Optics DSD 210 Plate has both a Vixen and Arca Swiss size at each end of the plate. The plate has two 1/4-20 threaded holes.

It works great with most cameras, camera lenses, and small scopes on either a Vixen-style mount or an Arca Swiss saddle.

William Optics ZenithStar 73 Refractor Specifications

• Refractor Design: Apochromat (APO)

• Focal Length: 430mm

• Focal Ratio: f/5.9

• Focuser: 2.5" Rack & Pinion

• Retracted Length: 310mm

• Diameter of the Front of the Scope: 92mm

• Weight: 5.5 lbs.