Baader's T-2, 90 degree prism gives extremely bright and very high contrast images to the viewer through very high transmission rates
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With the release of this product Baader have maintained their exceptional standards of optical manufacturing. Featuring a precision machined aluminum housing which provides a stress free mounting and precise location for the prism, this positioning allows hardly any scattering of light, and offers great levels of contrast.
The telescope side of all our T-2 diagonals accepts a comprehensive selection of Baader-adapters, be it for 1 1/4" or 2" focusers or for a Celestron OTA 2" thread or an original M44 Zeiss thread, there are also adapters for Vixen OTA's or russian MAK's.
On the eyepiece side many people put only our quick change ring, item #2456320, to mount the Mark V binocular viewer instead of an eyepiece, this achieves the shortest possible backfocus distance between telescope and binocular viewer - alternatively mount the 1 1/4" CLICKLOCK- eyepiece clamp (#2458100), for the quickest clamping action in the industry.
One of the features of the T-2 diagonals - be it prisms or mirrors - is the large free aperture and the flexibillity to directly adapt onto almost any telescope system - without the bottleneck of a 1 1/4" barrel size which may cause vignetting in long focal length 1 1/4" eyepieces or when working with a bino viewer on top of the diagonal. Exactly this is the reason why we offer the body of all our T-2 System diagonals without adaptors ( Of course - it can be adapted just alike all the other diagonals by using our standard T-2 / 1 1/4" nose piece #14 (#2458105), but then some of it's beauty [clear aperture !!] is left unused..).