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Baader T-2 to SCT Thread Expanding Ring (1mm Optical Length) # T2-28a 2958242
| Brand | Baader Planetarium |
| Part Number | 2958242 |
| Availability | available |
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Product Info
Manufacturer Description
This expanding ring converts a T-2 female thread (M42x0.75) to an SCT male thread (2"x24tpi). 1mm optical path length.
Baader officially refers to this product as a Baader T-2 to 2" Thread Expanding Ring. However, we find this title confusing and prefer to call it a T2 to SCT ring. While the SCT thread is technically a 2" thread, most amateur astronomers usually mean the M48 thread (that is smaller than the SCT thread) found on most standard 2" eyepieces and accessories when they refer to a 2" thread.
Baader part number: T2-28a or 2958242
Reviews
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Aug 4, 2016
Fits the bill
Pros:Lightweight,Strong Construction,Easy to Use
Cons: Comments:Decent product, solid construction, accurate specification as to be expected from Baader. The thread width could be a little more than 1mm. 2mm would have been better as most SCT threads are about 1.5mm deep. My SCT thread bottomed out and left my diagonal mirror loose. I managed to cut some plastic from milk bottles in the correct diameter circles to use a shim/washers between this piece and the SCT thread female end to fill the gap so the diagonal mirror would be tight.
Bottom Line: Would you recommend this item? Yes
Baader, consider a 2mm thread depth.This review was provided courtesy of AgenaAstro.com
Jan 2, 2011Exactly what I needed...
Pros:Strong Construction,Great construction,Compact
Cons: Comments:I just needed an adapter to connect my off-axis guider between the filter and camera.
Bottom Line: Would you recommend this item? YesThis review was provided courtesy of AgenaAstro.com
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