CSL-P1 End Cover Lens Tube Dust Cover Alignment Plate Target Alignment Target Sm1 Thread C Light-Shielding Cover Oeabt

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Characteristic

The surface of the end cap is oxidized and blackened aluminum, which can be used to seal the Ø1" / Ø2" lens tube. The CSL-P series has SM1 (1.035” -40) and SM2 (2.035” -40) external threads for sealing the end of the lens tube of the SM series internal threads. The target crosshairs are engraved on the surface for quick alignment.

For tools that require precise alignment, please check our alignment plates.

▶Two specifications of end cap diameter 30.5mm/58mm, compatible with SM1 and SM2 thread respectively;

▶Thread specification: SM1 (1.035” -40) external thread, SM2 (2.035” -40) external thread;

▶The surface of the end cap is made of oxidized blackened aluminum material;

▶The target crosshair is engraved on the surface, which has a rough alignment function;

▶Used to seal the end of the lens tube with internal SM1/SM2 thread;

▶It acts on a 30mm cage cube and closes the side light source;

Optical commonly used thread size standard

This is the unique thread of Thorlabs in the United States, not the commonly used optical thread. SM is the code for the thread of the sewing machine in terms of thread expression, but this company in the United States uses it to connect the internal and external threads of the optical lens and the sleeve. The nature of the thread is UNS, and the United States has a special thread with a tolerance accuracy of 2A / 2B. The special place of this thread is 40 teeth per inch regardless of the diameter. The specific dimensions are as follows:

Product information

A: Thread specification: SM1 (1.035” -40) external thread, SM2 (2.035” -40) external thread; compatible with SM thread products, lens tube series;

B: The target crosshair is engraved on the surface, which has a rough alignment function.