Ts-optics 125317mm Eyepiece 40mm For Eyepiece Projection With T2thread

Featuring The Superview eyepieces are particularly well suited for projection photography with compact digital cameras. At the same time they also perform very well for visual observing. and Projection photography on telescopes with tight back focus ...Newtonian telescopes often have the problem that back focus is not sufficient for DSLR cameras. With the Superview you can avoid that problem. The eyepiece will move the focus position further out so that you can reach focus with your camera., the TSSV40 from TS Optics, now made available for shoppers to acquire here at this excellent price.

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Manufacturer Description

Advantages and Features of the TS SuperView:
-- Observing ... excellent observing comfort - eye relief can be individually adjusted for best possible observing comfort. The rubber eyeguard can be extended. You can easily see the entire field of view with or without eyeglasses.
-- Maximum possible field of view the 1.25" Superviews offer the largest true field of view that is geometrically possible with 1.25" eyepieces.
-- No internal reflections, high contrast with their excellent multicoating, blackened lens edges and intentionally overdimensioned lenses the Superviews offer superb contrast and an image free of internal reflections.
-- Imaging ... direct T2 adaptation for cameras the Superview has an integrated T2 thread. From there it is easy to attach most cameras, either with a bayonet ring (SLR cameras) or with step-up rings (compact digital cameras). The T2 thread can be moved up and down on the eyepiece until you reach the optimum distance between the eyepiece and the camera.
-- Much larger illuminated field One of the biggest problems for digiscopy is field illumination. The problem is particularly critical on cameras with a large lens diameter (bridge cameras). With the Superviews you can keep the minimum possible distance between the camera and the eyepiece. This, coupled with the large diameter of the exit lens of the eyepiece, maximizes the illuminated field.
-- Rigid and precise Adaptation the threaded connection between eyepiece and camera is very safe and also automatically centers the camera behind the eyepiece.
Optimizing the Distance: For digiscopy it is important to keep the minimum possible distance between the camera and the eyepiece. The eyepiece's thread can be moved up and down on the eyepiece so that you can reach precisely the best distance.