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This 3 piece adapter set includes 3 popular items in one cost saving kit..
T-Ring for Canon EOS-M (Standard T2 Length)
2" Low Profile Prime Focus adapter (Threaded for Filters)
48mm Clear Filter (Keeps dust out of your camera!)
Parts are T-Threaded for compatibility with our full line of T-Mounts.
Q: I have a Meade (or Celestron) SCT telescope and would like to have the benefits of this adapter but my scope only accepts 1.25" eyepieces. Is there any way I can use this adapter?
A: If your SCT is not already setup to accept 2" eyepieces and accessories you will need a 2" Rear Port Adapter, this item threads onto the large thread on the rear cell of your scope and converts it to a standard 2" eyepiece port. The T-Minus adapter will slide directly into this port.
Q: I have a Meade (or Celestron) SCT telescope. Will this adapter thread directly on to the rear cell of my scope?
A: This adapter will not thread directly onto the rear of an SCT scope, It has a 2" barrel just like a 2" eyepiece and inserts into a 2" eyepiece port. If your SCT is not setup to accept 2" eyepieces you will need a 2" Rear Port Adapter. This is actually better than if it threaded on to the scope directly as it allows you to very quickly and easily install and remove the camera during a session. It also gives you absolute freedom in positioning the camera radially for the best framing of your shot.
Q: Will this adapter work on my Refractor type telescope with 2" Focuser?
A: Yes, but most refractor type telescopes require you to remove the diagonal and replace it with a slightly shorter extension tube to reach focus with a camera. Please see your telescope manual or our "Camera Adapter FAQ" page under the heading "Focusing Issues>Refractors" for further details.
Q: Will this adapter work on my Reflector/Newtonian/Dob type telescope with 2" Focuser?
A: Yes, but many reflector type telescopes require you to install a Barlow Lens between the camera adapter and the focuser to reach focus with a camera. Please see your telescope manual or our "Camera Adapter FAQ" page under the heading "Focusing Issues> Reflectors" for further details.
Q: Will this adapter fit my spotting scope (or microscope)?
A: This adapter is for astronomical type telescopes equipped with 2" eyepiece ports ONLY. It will not fit spotting scopes or microscopes. If you need help selecting the proper adapter just send us an email. Please include camera and scope models.
For Canon EOS-M (EF-M Mount) Cameras.