LBTEK-C-Mount Extension Sleeve

Product Description

C-Mount internal thread and C-Mount external thread
Provide four types of extension sleeves, with lengths ranging from 10 mm to 50 mm.
For Ø23.1 mm Optical Components

LBTEK C-Mount extension tubes are used to secure Ø23.1 mm optical components, or for optical path shielding to prevent ambient light from affecting the system. Lens tube combinations can be connected to extend length, facilitating the rapid construction of compact optical systems. These extension tubes can be directly connected to C-Mount cameras via external threads. They can either add magnification to user-built C-Mount lens tube optical assemblies, shorten the minimum focal length, or mount fixed focal length systems that can be directly installed onto cameras. LBTEK also provides matching lens tube adapters, retaining rings, and retaining ring spanners as accessories.

Attributes

Material6061-T6 aluminum alloy

Thread specificationC-Mount

Surface treatmentBlack anodizing

C-Mount Extension Tube, Internal and External Threads

With C-Mount internal thread and C-Mount external thread
Optional sleeve length: 10 mm, 15mm, 25 mm, and 50 mm

LBTEK C-Mount extension tube has a C-Mount external thread on one end and a C-Mount internal thread on the other, mainly used to secure optical components with a diameter of Ø23.1 mm. It features an expandable design, suitable for quickly building compact optical systems. The C-series extension tube has internal and external threads, and can be locked with the CMNR locking ring to achieve adjustable connection depth of the lens tube.

The extension length of C-Mount internal and external threads can be fixed with the CMNR locking ring

Product Model	Size (mm)	Unit Price	Lead Time
C-10A New	10 mm	$18.78	today	Add Cart
C-15A New	15 mm	$20.56	today	Add Cart
C-25A New	25 mm	$24.53	today	Add Cart
C-50A New	50mm	$34.40	today	Add Cart

With C-Mount external thread and SM1 internal thread

C-Mount external thread, SM1 internal thread
Introduce fixed spacing to adjust Focal Length (f), improving the magnification of the image system.
Suitable for mounting Ø25.4 mm Optical Components
Optional sleeve length: 8, 12.5, 25 mm

LBTEK extension sleeves with C-Mount external threads and SM1 internal threads are used to establish a fixed spacing distance between SM1 threaded systems and C-Mount threaded components (such as CCD Cameras), can accommodate Ø25.4 mm Optical Components, and come with one SM1R retaining ring. The C-Mount thread depth of the extension sleeve is uniformly 4.1 mm. There are two annular grooves near the C-Mount threaded end, making it easy to quickly distinguish it from the SM1 threaded end. Extension sleeves cannot be stacked with each other. If further extension of the optical path is required, it can be achieved by adding C-Mount extension sleeves.

Used in combination with a C-Mount extension tube to extend the optical path

Product Model	Size (mm)	Maximum applicable thickness of optical components	Unit Price	Lead Time
CSM1-8A New	8 mm	5.5 mm	$13.02	today	Add Cart
CSM1-12.5A New	12.5 mm	10 mm	$13.57	today	Add Cart
CSM1-25A New	25 mm	22.5 mm	$15.90	today	Add Cart