Use the Baader Spanner Wrench with 2mm Pins from Alpine Astronomical to unmount an M48/T-2 insert ring from a Baader Protective Canon T-Ring. The spanner wrench features 2mm-diameter pins and has an adjustable width. It can also be used to attach or detach other select rings with 2mm (0.079") holes.

Use with M48/T-2 Insert Ring    For Baader Protective Canon T-Ring    2mm-Diameter Ring Pins    Adjustable Width Between Pins    Compatible with Other Select Rings    Metal Construction

Related Questions and Answers

Q: 1. Would this help with focus issue with dslr on nexstar4? I tried using the original T adapter with my dslr and couldn't achieve focus on star.

A: Yes it may work. Also this would also be an option: Meade Variable Projection SLR (35mm OR Digital) Camera Adapter for All Refractor & Reflector Telescopes which Accept 1.25" Eyepieces - Requires Camera-Specific T-Mount Adapter BH #MECAVPSFE • MFR #0736 https://www.bhphotovideo.com/c/product/202793-REG/Meade_07361_Variable_Projection_SLR_35mm.html

Q: 2. Is this spanner to be used for tightening the shutter ring before screwing in the rear element of the lens?

A: Yes, this Catlabs Large Format Lens Shutter Spanner Wrench can be used to tighten the shutter ring before screwing in the rear element of a large format lens.

Q: 3. Baader sells this part packaged also with an M48 ring insert (only in the case of the Sony adapter). Do you include this extra ring?

A: Here is a list of the Baader rings B&H sells for Sony https://www.bhphotovideo.com/c/products/astrophotography-adapter-rings-extension-tubes/ci/48682?filters=fct_brand_name%3Aalpine-astronomical&searchWithin=sony

Q: 4. Is this the Baader 8.3 mm long adapter?

A: Yes, the Alpine Astronomical Baader Wide T-Ring Set for Canon EOS R has an optical length of 8.3mm.

Q: 5. Can I use the Baader 76 degree Morpheus 4.5 mm eyepiece in the Celestron Regal M2 100ED spotting scope I have ordered from B&H?

A: It probably wont work properly because its too magnified. The Spotting scope is too short a focal length, I would recommend a 12 mm & higher.

Q: 6. I have this unit purchased, but it is on back order. Now I am looking at filters to go with it. Do filters need to be 1.25" or 2" in diameter to work in combination with this eyepiece?

A: You may use both 1.25" filters and 2" filters with the Alpine Astronomical Baader Hyperion 8-24mm Mark IV Zoom Eyepiece (1.25"/2"). According to the manufacturer, the Alpine Astronomical Baader Hyperion 8-24mm Mark IV Zoom Eyepiece (1.25"/2") includes both 1.25" and 2" barrels. The 1¼" Barrel is threaded for standard 1¼" filters, and the 2" Barrel for standard 2" filters.

Q: 7. How can we adapt the 2" UV bandpass filter to a Sony E-mount 49mm lens?

A: I know of no adapter to mount a 2" (50.8mm) filter on to a 49mm opening. I do know some that use gaffing tape.

Q: 8. Is this adapter 8.3 mm long, as shown at the Baader site?

A: Yes the length would be 8.3mm.

Q: 9. Is it 7mm or 10mm optical length?

A: Optical Path Length: 0.35-0.94" / 9.0-24.0 mm.

Q: 10. Dose it has a Ultra-Short version like EOS adapter?

A: Celestron T-Ring for Nikon F-Mount Cameras BH #CETRN • MFR #93402