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    Extension Length (mm)
    Size of Compatible Optics (mm)
    Diameter of Compatible Optics (mm)
    Thickness of Compatible Optics (mm)
    Type of Optics

    ID Tube System

    The TECHSPEC® ID Tube System provides tremendous versatility in converting a lens assembly design into a complete, functioning physical assembly. A drop in assembly using 1”/25mm or ½”/12.5mm optics can be created utilizing anodized aluminum barrels complete with 1.035” x 40 TPI or 0.535” x 40 TPI internal threading. Spacing of optical elements is accomplished by using brass spacer rings with tight tolerances and blackened surfaces for additional light dampening in the barrel. The TECHSPEC ID Tube System is applicable to OEM applications as well as research and development.


    ID Lens Tubes
    • Enables Mounting for 25/25.4mm and 12.5/12.7mm Optics
    • Ideal for Optical System Creation and Integration
    • Continuous Barrel Thread for Mounting Multiple Components

    ID Brass Spacer Rings
    • Blackened Brass Construction
    • Ensure Precise Spacing Between Components
    • Thicknesses from 0.25mm to 50mm Available

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


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