Baader Protective Canon DSLR T-ring

Baader Proctective Canon EOS DSLR ring - accepts 2" & 50.4mm filters. Incl. 2" receptacle with the largest possible inner diameter, or with interchangeable T-2/M48 screw-in thread (without filter). Flexible adaptation to telescopes and telephoto lenses with the best possible mechanical quality. Use of filters directly in front of the camera without loss of path, e.g. with Newtonian coma correctors or lenses. Protection of the camera sensor, the T-ring can always remain on the camera, no dust can penetrate. Vignetting-free images even with extremely fast telescopes. 11.5mm height - optically effective height with filter - 10.5mm