Alpine Astronomical 2" Locking Ring For Telescopes (black)
- Product Code: eq57196
-
Mount your Baader 2" Zenith diagonal to your telescope with the help of the Alpine Astronomical 2" Locking Ring for Telescopes (Black)from Alpine Astronomical. This locking ring allows you to firmly secure the prism in the limited space between the base of your mount and the back of the optical tube assembly (OTA) when the scope is pointed directly or almost directly overhead. It has a 2" female thread and a 0.2" (5.0mm) optical path and is compatible with Celestron 8", 9.25", 11", and 14" Schmidt-Cassegrain telescopes (SCTs).
For 8", 9.25", 11", 14" Celestron SCTs Mates 2" Zenith Diagonal Directly Fits Bulky Optics between Mount & OTA Saves Space for NexStar Accessories Can Improve FOV by 20% Optical Path: 0.2" / 5.0mm
Parameters | |
---|---|
Compatibility | 8", 9.25", 11", 14" Celestron Schmidt-Cassegrain telescopes |
Miscellaneous | Optical Path Length: 0.2" / 5.0mm |
Dimensions | Inner Diameter: 2.0" / 50.0 mm Clear Aperture: 2.0" / 50.0 mm Outer Diameter: 3.81" / 97.0 mm |
Thread | Lens Side Inner Connection: 2.0" / 50.0 mm Eyepiece Side Inner Connection: 2.0" / 50.0 mm |
Weight | 1.4 oz / 39.0 g |
Packaging Info | |
Package Weight | 0.135 lb |
Box Dimensions (LxWxH) | 4.4 x 3.9 x 0.8" |
Related Questions and Answers
Q: 1. 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: 2. It looks like the ASFT 100 and the ASSF 80 will both fit my telescope. The Baader film is the same in both filters. What am I getting in the ASFT 100 that warrants spending the extra $10?
A: A larger metal ring. A larger film area.
Q: 3. Skywatcher Evoster 100 ED. Would this size fit my telescope?
A: Yes this Filter will work with that Model.
Q: 4. Would this lens Will this EP work effectively in a f/10 C5 scope?
A: Yes this Eyepiece would work with that Scope.
Q: 5. 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: 6. Does this work with other RF mount cameras or just the EOS R?
A: The Alpine Astronomical Baader Wide T-Ring Set for Canon EOS R fits all Canon RF mount cameras.
Q: 7. how to adapt this to a camera lens with a 62mm thread (yes, this will result in some vignetting which I will have to tolerate)?
A: Currently B&H does not stock an adapter allowing the Alpine Astronomical H-Alpha 20nm Bandpass Filter (2") to a camera lens with a 62mm thread.
Q: 8. Will the Sony RX100 vi work on the Baader Microstage II?
A: Yes it will.
Q: 9. Will this fit a M48 X .75 thread?
A: This is an M42 Thread, so it will not fit that threading size.
Q: 10. Is this 48mm?
A: No it is 2 inches which equals 50.8 mm B+W 48mm UV/IR Cut MRC 486M Filter BH #BW486MC48 • MFR #66-1069163 https://www.bhphotovideo.com/c/product/718417-REG/B_W_66_098546_66_098546_48mm_UV_IR_Cut.html
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