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Question:

What is the screw pitch of the camera C interface lens?

What is the screw pitch of the camera C interface lens?

Answer:

C interface lens with in 32 teeth thread, which is 25.4mm in diameter, pitch 25.4 / 32. Generally can be 25mmX0.75mm to process the adapter ring
CS-type mounting seat: also known as special C mount, this time should be removed before the camera washer and then install the lens. The distance from the lens mounting datum to the focal point is 12.5mm. C interface lens is used in each inch 32 teeth thread, the corresponding pitch is 25.4 / 32 = 0.79375mm.
All camera cameras are threaded, and the camera or camera lens has two industrial standards, the C mount and the CS mount. Both threads are the same, but the distance from the lens to the light-sensitive surface is different. Type C mount: The distance from the lens mounting datum to the focal point is 17.526mm.

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