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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

Fine Focus Tube SM05

Fine Focus Tube ID05, #35-783

Stock #35-783
Qty 1+
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Extension Tube (Adjustable)
Thread Type:
0.535 x 40 TPI (SM05)
Extension Length (mm):
13.5 - 17.0
Barrel Thread:
M13.5 x 0.5
Clear Aperture CA (mm):
Anodized Aluminum
Outer Diameter (mm):

Regulatory Compliance


Product Family Description

  • Ideal for Variable Spacing Along the Optical Axis
  • Anti-Reflection Processing for Reduced Stray Light
  • Built-in Set Screw

The TECHSPEC® ID (Inner Diameter) Fine Focus Tubes provide smooth and precise spacing adjustment in a lens tube system. The assembly is constructed of anodized aluminum for easy integration. TECHSPEC ID Fine Focus Tubes are ideal for use with TECHSPEC ID Lens Tubes to provide changes to system length. These fine focus tubes utilize ID1 (1.035” x 40 TPI, equivalent to SM1) or ID05 (0.535” x 40 TPI, equivalent to SM05) thread types convenient for prototype and system construction..