Designed for 1.25" eyepieces and accessories, the Alpine Astronomical Baader 1.25"/T-2 Click-Lock Eyepiece Holder Adapter can be used to upgrade the conventional bronze compression ring and set screws on your telescope drawtube, diagonals, or Barlow lens, or be placed anywhere within Baader's Astro T-2 system. This unique system uses three long roller bearings to hold the eyepiece firmly centered in place without marking or marring it, and without the wobble that is common with conventional holders. A simple twist locks and unlocks the clamping system for fast eyepiece changes, and the top of the clamp comes off to reveal T-2 mounting threads that accept camera-specific T-rings and adapters. The Click-Lock adapter has 6.5mm of travel for use as a micro-focuser or to adjust its height for matching other accessories.

1.25" Eyepiece Holder    3-Point Clamp for Accurate Centering    6.5mm Micro-Focusing/Adjustment Travel    Replaces Stock Compression Holders

Related Questions and Answers

Q: 1. What storage container would you recommend for a pair of these filters? Thanks

A: It would be best to use the box the filter comes in or use this Print File box: https://bhpho.to/3uHvHCQ

Q: 2. I'm new to astronomy. I have Orion ED triplet 130mm refactor. So I want to make sure this binoviewer fits and what are all the accessories needed before placing order?

A: It comes with all you need to mount it to the scope It dose not come with any eyepieces

Q: 3. My Nikon Action EX 16x50 binos have an outside diameter of exactly 60mm. Should I order the 60mm filters or the 70mm?

A: The Alpine Astronomical 60mm Baader AstroSolar White-Light Solar Filter for Binoculars (Single) would be too large to fit 16x50 binoculars. This Daystar kit would fit instead: https://bhpho.to/3qFnkJe

Q: 4. What items are in the box?

A: The Alpine Astronomical Baader 2x Carl Zeiss Abbe Barlow Lens (1.25") BH #ALZBARLOW • MFR #ZBARLOW comes with the Alpine Astronomical Baader 1.25"/T-2 Click-Lock Eyepiece Holder Adapter BH #ALT208 • MFR #T2-08 and a 2 year aarranty.

Q: 5. Is this adapter 8.3 mm long, as shown at the Baader site?

A: Yes the length would be 8.3mm.

Q: 6. 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: 7. in continuation with previous question. So do i need to purchase Alpine Astronomical Baader T-2 90 Prism Star Diagonal Housing separately ?

A: It should come with everything you may need: In the Box Alpine Astronomical Baader MaxBright II Binoviewer (1.25") Carrying Case Zeiss Micro-Bayonet Mounting Adapter Limited 2-Year Warranty Alpine Astronomical Glasspath Corrector 2.6x for Maxbright/Mark V Binoviewers Limited 2-Year Warranty Alpine Astronomical Baader 2" T-2 Nosepiece Limited 2-Year Warranty I dose not come with eyepieces.

Q: 8. Baader and other sellers offer an additional M48 insert with this package. Does B&H offer this?

A: Yes the Alpine Astronomical Baader T-Ring Camera Adapter (Sony E/NEX) includes an M48 thread for more compatibility options.

Q: 9. With the Barlow attached, this effectively goes between 3.5mm - 10mm, right?

A: With a 2X barlow correct

Q: 10. 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.