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

30 to 25mm Cage Plate Reducing Ring



Stock #85-705
Qty 1+
Volume Pricing
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Type of Optics:
Circular/Cylindrical Tube
Compatible Plate Inner Diameter (mm):
Inner Diameter (mm):
Dimensions (mm):
30 Dia.
Length (mm):
Black Anodized Aluminum

Regulatory Compliance

Not Compliant

Product Family Description

  • English and Metric Post Adapters
  • Customizable Blank Disks
  • Reducing Rings

TECHSPEC® Cage System Accessories are additional components for customizing a cage system. Reducing rings are used to decrease the inner diameter of cage system plates, and feature a thru-hole that allows one of the set screws to pass from the plate, through the ring, to the optic or optical mount. For mounting directly to posts, post adapter disks feature M6 or ¼-20 tapped holes. 25mm diameter x 25mm length cage system post adapter disks can also be used to join a swivel plate pair. Blank disks are available to block optical paths, or to create customized mounts. Each blank disk features a 3mm diameter x 1mm deep centering hole for easy customization. Compatible with #85-641 30mm Side Access Plate, #85-717 25mm Interchangeable Optical Mount is equipped with a handle for easy insertion and removal from a cage setup.

Note: #85-719 C-Mount Adapter fits within the inner diameter of 30mm cage system plates and features both male and female threading for easy integration with TECHSPEC C-mount components.

Quick Video Demonstration

Maximize your application performance with the right products. View a quick video demonstration of TECHSPEC Cage System components: Interchangeable Optical Mount and Side Access Mounting Plate.