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| SM3A2 - Adapter with External SM2 Threads and Internal SM3 Threads |
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| Product Summary: |
The SM3A2 thread-to-thread adapter contains an internal SM3 (3.035"-40) thread and an external SM2 (2.035"-40) thread. Made of anodized aluminum, it is machined with the two threads connected by a flange and can be placed at the end of a threaded tube. It is typically used to step up or down in lens tube size. The unpackaged weight of this adapter is 15.2 g.
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