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45mm Travel, Adjustable Length Tube

Stock #85-511 In Stock
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C$130.20 C$32.55
Qty 1+
C$130.20 C$32.55
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Dimensions (mm):
20/25 Dia.
Thread Type:
M23.2 x 0.75 (Double Male)
Overall Length (mm):
Extension Length (mm):
10.0 - 55.0
Travel (mm):
Clear Aperture CA (mm):
Black Anodized Aluminum

Regulatory Compliance

Not Compliant
Certificate of Conformance:

Product Family Description

  • Enable Adjustment of Cage System Length
  • Locking Ring for Easy Length Adjustment
  • M23.2 x 0.75 Threading
  • Combine with Thread Adapters to Join Multiple Fixed Extension Tubes

M23.2 Adjustable Length Tubes are designed to connect M23.2 Fixed Extension Tubes or Cage System Optical Lens Mounts to construct optical assemblies of varying length. One end of the tube is fixed and has M23.2 x 0.75 male threading, while the other end features a locking ring with male M23.2 x 0.75 threading. The locking ring slides along the length of the tube, enabling the adjustment of the system’s length.