SCT External Threads to Mk Internal Threads T-Ring Adapter Telescope Threads Converter Conversion Telescope Accessories
- External thread specifications: SCT external thread (2 inches-24 teeth inch threads)
- Depth of external thread: 10mm (including about 1mm undercut at the bottom of the thread)
- Internal thread specification: Maksutov internal thread
- Internal thread depth: 12mm (the inner hole is fully unified with the inner wall thread)
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