Altair Starwave 102mm F11 Achro Refractor Telescope with 2″ Crayford Focuser

Altair Starwave 102mm F11 Achro Refractor Telescope with 2

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As a seller we are forced to use eBay’s item specifics, these are usually incorrect. Please use OUR title, description and pictures. E&OE Description In great used condition and full working order (no front  cover)

A long awaited optical design for serious visual observers, the long focus refractor has always been a favourite but until now they have always been made with standard achromat optics. The new Ascent F11 ED boasts true extra low dispersion glass for the best possible corrections and optical performance in its class. See very fine detail on the Moon and Planets that would be impossible in a lesser design. It is not just the optics that are innovative, the mechanics are superb, a split tube allowing binoviewers, a dual speed focuser for precise control, CNC tube rings and a retractable dew shield. A premium telescope for serious visual astronomy at a remarkable price.

The ASCENT 102mm F11 ED Doublet refractor optical tube is optimised for detailed observation and imaging of the Moon and Planets, with a quality 4 inch aperture it can still show deep sky objects well. An evolution of the well respected “Red Tube Classic” Starwave 102 Achromat, now with ED optics and improved mechanics.

The result is improved colour correction and contrast thanks to the latest generation of affordable ED optics and anti-reflection coatings. It a geared focuser replaces the original Crayford style focuser allowing for heavier accessories, and the tube can be broken down offering 270mm of backfocus for binoviewing.

The ASCENT 102mm F11 ED is particularly effective for visual observation of planets, the moon and double stars and it copes with turbulent air (seeing) extremely well due to it's long focal length. It is also a very capable solar imaging telescope (with the appropriate filter) for white light (with the Altair Solar Wedge), and of course Hydrogen Alpha. It is easy to focus due to the extended depth of field and gives extremely sharp images. The long focal ratio minimises eyepiece aberrations, resulting an extremely flat field of view. Binoviweing is easy – just detach the focuser and unscrew the mid-section, then screw the focuser back into the tube. No tools are required to break the scope down for travel.

 

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Category: Cameras and Photography:Telescopes and Binoculars:Telescopes
Location: Birmingham