Orion Telescopes USD
Orion Wide M48 T-Ring For Canon EOS Camera... $36.39
This T-ring, designed to fit Canon EOS cameras, features M48 (48mm x 0.75) threads. Description A wide T-ring converts a DSLR camera body's bayonet mount to a wide-format (M48), female T-thread, allowing attachment of the camera to accessories such as field flatteners, reducers, and spacer rings that utilize the M48 thread. Wider than standard M42 T-rings, this T-ring reduces vignetting, especially in full-frame (35mm format) cameras. Length (thickness) of the T-ring is 10.9mm. Made of machined aluminum and black anodized. Quick Overview This larger than standard size, wide 48mm diameter T-ring supports full 35mm format Canon cameras. Not compatible with...
Tele Vue Optics
Tele Vue 2" T-Ring Adapter For 2X Powermat... $78.00
The PTR-2200 t-ring adapter allows you to connect the TeleVue 2" 2X Powermate to a camera t-ring for double magnification in prime focus photography.Remove the eyepiece holder of the PowerMate by unscrewing the top half of the PowerMate from the lower half (where all the optics are placed). Then screw on the T-ring adapter and your camera t-ring. The PowerMate, with camera attached, is then ready to insert into the focuser of your telescope.
Tele Vue Optics
Tele Vue 2" T-Ring Adapter for 4x Powermat... $78.00
This threaded adapter ring replaces the 2" eyepiece holder on the TeleVue Powermate 4x 2" (exclusive to this Powermate). The adapter threads directly onto the chrome barrel in place of the eyepiece holder. The adapter allows a T-ring (sold separately) to be attached so you can connect your 35mm camera directly to the Powermate.
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Orion Telescopes USD
Orion T-Ring For Canon EOS Cameras (05224) $27.29
A T-ring converts a DSLR camera body's bayonet mount to a female T-thread, allowing attachment of the camera to a T-Adapter, a telescope field flattener, coma corrector, or other "T" threaded camera accessory. Description This T-ring, designed to fit Canon EOS cameras, features standard M42 (42mm x 0.75) T-threads. Length (thickness) of the T-ring is 9.8mm. Made of machined aluminum and black anodized. Specification Overview Threaded ring couples Canon EOS camera body to standard T-thread on most camera adapters Ring attaches securely to Canon EOS DSLR or SLR camera body and provides a T-thread interface Couples Canon EOS camera body...
Celestron
Celestron Nikon Camera Adapter M48 (S20301) $39.95
Designed for attaching a Nikon DSLR camera to any of the Sky-Watcher 0.85x Focal Reducer/Correctors. Description M48 rings are used for larger format imaging. These are different than the standard T-Thread and are not suitable for use on our Collapsible Dobsonian line. M48 rings are to be used on the Esprit and ProED series when using the dedicated field correctors. Also for use with the Celestron T-Adapter Edge HD 9.25, 11, 14 48mm and other applications requiring a 48mm t-ring.

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