0.5mm Thick, C-Mount Brass Spacer Ring
![](https://productimages.edmundoptics.com/20913.jpg?quality=100)
05mm brass spacer rings used in optics and photonics applications are available at Edmund Optics
![](https://i.ebayimg.com/images/g/tfkAAOSwUvheQvGo/s-l1600.jpg)
Edmund 54-261 Machine Vision Camera C-Mount Extension Tube Kit 5, 10, 15, 40mm
![](https://images-fe.ssl-images-amazon.com/images/I/11vBFosR51L._AC_UL600_SR600,600_.jpg)
4 Piece Flexible C-Mount Lens Spacer Ring (0.5mm, 1mm, 1.5mm, 2mm) FCS C-Mount Adapter : Electronics
![](https://productimages.edmundoptics.com/5915.jpg?quality=100)
9mm Diameter, C-Mount Thick Optic Mount
![](https://ae01.alicdn.com/kf/HTB1O81rRVXXXXagaXXXq6xXFXXXO.jpg_640x640Q90.jpg_.webp)
2mm Focal Length Lens C-Mount Extension Tubes and Spacer
![](https://www.thorlabs.com/Images/GuideImages/1524_SMLensTubeSystem_11.jpg)
Optical Component Threading Adapters with SM1 (1.035-40) Threads
![](https://productimages.edmundoptics.com/4854.gif?quality=100)
400-700nm OD 2.0, M30.5 x 0.5 Absorptive ND Filter
![](https://i.etsystatic.com/9077760/r/il/6f20c7/5645349042/il_fullxfull.5645349042_j136.jpg)
9MM, Light Colorado Topaz Color Round Shape Kundan Stones
![](https://www.thorlabs.com/images/TabImages/Extension_Tube_SM1_C-Mount_D1-344.gif)
Extension Tubes with C-Mount and SM1 Threading
![](https://ae01.alicdn.com/kf/Hb97755b96564417090c7c2a09e8894c4W/C-CS-Mount-CCTV-Lens-Adapter-Ring-Extension-Tube-20mm-10mm-5mm-0-5mm-1mm-2mm.jpg)
C-CS Mount CCTV Lens Adapter Ring Extension Tube 20mm 10mm 5mm 0.5mm 1mm 2mm C to CS Suit for CCTV Security Camera Photo - AliExpress
![](https://productimages.edmundoptics.com/4905.jpg?w=275&quality=80)
25mm Diameter Unmounted, Linear Glass Polarizing Filter