The largest apo from Teleskop-Service is the inexpensive entry into the world of really big refractors. Such a telescope offers joy for a lifetime and is an attraction in every observatory.
The William Optics ZenithStar 81 mm aperture Doublet APO Refactor is an extremely versatile telescope ideal for both astrophotography and general photography.
Two element APO design with FPL53 glass
Massive 2.5" R&P extension with 1/10 gear reduction
High quality CNC machined ALU tube
With tube clamps, mounting handle and mounting plate
From the beginning, the goal was to create the best possible design for an affordable, small, lightweight, and fast Apochromatic refactor for astrophotography.