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Iris Diaphragms

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High Performance Motorizable Irises High Performance Motorizable Irises
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Fast Accurate Repeatable Motion
  • Dual Control Gear and Lever Mechanics
  • Removable Pin for OEM Integration
  • Anti-Reflection (AR) Leaves Available
  • Iris Diaphragm Mounts and Motor Sold Separately
High Performance Standard Series Iris Diaphragms High Performance Standard Series Iris Diaphragms
  • Corrosion and High Temperature Resistance Housing
  • Anti-Reflective (AR) Spring Steel or Burnished Spring Steel Leaf Options Available
  • Mounted Version Features both an English and Metric Tapped Hole for Easy Post Mounting
High Performance Zero Aperture Series Iris Diaphragms High Performance Zero Aperture Series Iris Diaphragms
  • Iris Completely Closes
  • Corrosion Resistant Housing
  • High Heat Resistance
  • Burnished Spring Steel and Stainless Spring Steel Leaf Options Available
Mounted Standard Series Iris Diaphragms Mounted Standard Series Iris Diaphragms
  • Pre-mounted in Aluminum Mounts
  • 8-32 or ¼-20 Threading for Post Mounting
  • Aperture Sizes Up to 50mm
Stainless Steel Series Iris Diaphragms Stainless Steel Series Iris Diaphragms
  • Stainless Steel and Brass Construction for Stability
  • Mounted Version Features both an English and Metric Tapped Hole for Easy Post Mounting
  • Ideal for Flow Control Applications
Standard Series Iris Diaphragms Standard Series Iris Diaphragms
  • Used to Adjust f/#, Field Stop Diameter, and Overall Light Throughput
  • Mounted Version Features a Tapped Hole for Post Mounting
  • Abundant Types for Varying Applications
Zero Aperture Series Iris Diaphragms Zero Aperture Series Iris Diaphragms
  • Provide Total Light Extinction When Closed
  • Aperture Sizes Up to 75mm
  • Mounted Options Available

Iris Diaphragms are used to limit the amount of light transmitted to an imaging sensor or photodetector in order to prevent oversaturation. Iris Diaphragms are optical components that feature a series of smooth, thin leaves arranged to form a circular aperture which can be opened or closed depending on the application. Iris Diaphragms allow the amount of ambient light reaching a sensor to be controlled to ensure effective imaging.

Edmund Optics offers a wide range of Iris Diaphragms suited for many imaging needs. Iris Diaphragms are ideal for adapting imaging systems for a number of different applications or environments that would otherwise be too bright by limiting the amount of light in an area to manageable levels. Some Iris Diaphragms may be mounted directly onto imaging components or may be positioned separately in front of light sensors, offering multiple implementation choices. A selection of sizes as well as mounting accessories is also available for a range of versatile options.

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