The telescope optics: Skywatcher Professional Esprit 3-element ED apochromatic refractors are telescopes of the highest quality with an optical performance that is equal to the leading, comparable devices from the well-known and famous high-end manufacturers. The Esprit Super Apo Triplet telescopes were designed for the demanding astrophotographer – for use with the optional M48 Feldebner, but are also excellently suited for visual observation. The premium, superbly corrected optical system delivers images with high contrast, full of detail and without perceptible chromatic aberration, even when observing the brightest astronomical objects. Scope of delivery: 100mm triplet Super ED Apo telescope 3” linear power focuser with 11:1 reduction with 2” and 1.25” adapter 2” star diagonal 9×50 viewfinder 90° with upright and right-sided image Pipe rings 75mm (3”) mounting rail 100mm 3-element Super ED Apo with 1 Ohara-FPL-53 lens Solid transport storage case with wheels! Power supply and batteries are not included!