My secondary scope is a William Optics ZenithStar 80 II ED APO. This newest ZenithStar II generation Doublet APO is a 80mm ED refractor ideal for everyone who needs an excellent APO refractor at an excellent price.
Aperture 80mm
Focal Ratio F/6.8
Focal Length 545mm
Objective Type FPL-51 ED Glass, Doublet, Air Spaced, APO
Fully Multi-Coated
Resolving Power 1.45"
Limiting Magnitude 11.3
Lens Shade Retractable
Focuser 2" 360° Rotating Camera-angle Adjuster, 1:10 fine focus
