SM1 Lens Tube SM1L12-C

JCOPTIX lens tubes are ideal for compact optical subsystems. SM1 tubes hold 1 or more Ø25.4 mm optics. SM1 tubes have 3 versions: internally threaded through-bores, internal/external threads, and external threads at both ends. Connecting tubes extends length for rapid compact-system construction. Rings separate/secure optics and are positioned with MBT-SM1 spanners. Besides SM1, JCOPTIX offers SM05 and SM2 tubes, adapters, rings, and spanners. SM1 tubes, internal/external threads: JCOPTIX SM1 A-series tubes have SM1 external threads at one end and SM1 internal threads at the other, holding Ø25.4 mm optics. Combine tubes to extend length. 1 supplied SM1RR ring secures optics. SM1 tubes, internal threads: JCOPTIX SM1 B-series tubes have SM1 threaded through-bores without shoulders or external threads. Mount Ø25.4 mm optics from either end and combine tubes to extend length. 2 supplied SM1RR rings separate/secure optics. SM1 tubes, external threads: JCOPTIX SM1 C-series tubes have SM1 external threads at both ends, stacking internally/externally threaded and internally threaded tubes or extending length. SM1 tube with C-Mount external threads: JCOPTIX SM1L8-CM has C-Mount external threads at one end and SM1 internal threads at the other. It holds Ø25.4 mm optics, combines with other tubes for extension, and includes 1 SM1RR ring. SM1 externally threaded adapters: JCOPTIX SM1 adapters connect SM1 internally threaded components. Full-length SM1 external threads optimize position/angle. Each includes 2 knurled SM1NT external rings for hand locking; multiple rings lock tubes independently. SM1 externally threaded retaining rings for SM1 internal threads: JCOPTIX SM1 rings use 6061-T6 aluminum or 303 stainless steel with black anodizing or sandblasting/passivation. Large apertures hold Ø25.4 mm optics. Two slots accept MBT-SM1 spanners. SM1 external rings for SM1 external threads: JCOPTIX SM1 rings work with SM1 tubes/adapters; slim 2.8 mm designs suit other SM1 ring applications.

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