Iris Diaphragms | View All
![Lockable High Performance Iris Diaphragms](https://productimages.edmundoptics.com/21329.jpg?w=305&quality=80)
- Irises Lock in Place Providing Resistance to Shock and Vibrations
- Corrosion and High Temperature Resistance Housing
- Anti-Reflective (AR) Burnished Spring Steel Leaves
![High Performance Motorizable Irises](https://productimages.edmundoptics.com/2930.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- 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](https://productimages.edmundoptics.com/5040.jpg?w=305&quality=80)
- 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](https://productimages.edmundoptics.com/5041.jpg?w=305&quality=80)
- Iris Completely Closes
- Corrosion Resistant Housing
- High Heat Resistance
- Burnished Spring Steel and Stainless Spring Steel Leaf Options Available
![Mounted Standard Series Iris Diaphragms](https://productimages.edmundoptics.com/3951.jpg?w=305&quality=80)
- Pre-mounted in Aluminum Mounts
- 8-32 or ¼-20 Threading for Post Mounting
- Aperture Sizes Up to 50mm
![Stainless Steel Series Iris Diaphragms](https://productimages.edmundoptics.com/4924.jpg?w=305&quality=80)
- 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](https://productimages.edmundoptics.com/4922.jpg?w=305&quality=80)
- 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](https://productimages.edmundoptics.com/4923.jpg?w=305&quality=80)
- Provide Total Light Extinction When Closed
- Aperture Sizes Up to 75mm
- Mounted Options Available
Pinholes and Slits | View All
![Adjustable Optical Slit](https://productimages.edmundoptics.com/2776.jpg?w=305&quality=80)
- 6mm Maximum Clear Slit Opening
- Fine Micrometer-Driven Mechanical Slit Adjustment
- ¼-20 Hole for Mounting
![High Power Apertures](https://productimages.edmundoptics.com/20665.jpg?w=305&quality=80)
- Ceramic, Copper, Gold-Plated Copper, Molybdenum, or Tungsten Substrates
- Withstand High Power Densities up to 130MW/cm2 (For Mo and W Substrates)
- Ideal for Spatial Filtering and Laser Aperturing
![Acktar Blackened Pinholes](https://productimages.edmundoptics.com/7692.jpg?w=305&quality=80)
- Low Reflectance from the EUV to SWIR
- 99% Absorbance Blackening Coating
- Aperture Sizes from 20 to 1000μm
- Available Unmounted and Mounted
![Acktar Blackened Air Slits](https://productimages.edmundoptics.com/7694.jpg?w=305&quality=80)
- Wide-Band Low Reflectance Coating
- 99% Absorbance from the EUV to SWIR
- Slit Sizes Down to 25μm x 3mm
- Unmounted and Mounted Versions Available
![Precision Air Slits](https://productimages.edmundoptics.com/2066.jpg?w=305&quality=80)
- Mounted Version Provides Secure Mechanical Support
- Used in Optical Systems and Educational Efforts
- Ideal for Spectrophotometer Image Analysis
![Unmounted Precision Pinhole](https://productimages.edmundoptics.com/20667.jpg?w=305&quality=80)
- Available in Aperture Mounts for a Secure Mechanical Support
- Pinhole Sized Ranging from 1 to 1,000 Microns
- High Power Apertures Available
![2-Axis Adjustable Slits](https://productimages.edmundoptics.com/20720.jpg?w=305&quality=80)
- Two Independently Adjustable Axes
- Any Rectangular Slit Size up to 10 x 10mm
- 50mm Outer Diameter for Ease of System Integration
Iris and Aperture Mounts | View All
![Iris Diaphragm Mounts](https://productimages.edmundoptics.com/2934.jpg?w=305&quality=80)
- Multiple Iris Diameter Options Available
- Durable Anodized Aluminum Construction
- Set Screw Included
![C, S, and T-Mount Iris Diaphragm Mounts](https://productimages.edmundoptics.com/4672.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Variable Apertures for C, S, and T-Mount Systems
- Male and Female Thread at Opposite Ends for Easy Integration
- Adjusted via Rotating Ring or Lever for Precision Control
![Precision Pinhole Mount](https://productimages.edmundoptics.com/1890.jpg?w=305&quality=80)
- Provides Mechanical Support for Precision Pinholes
- Uses a Retainer Ring to Minimize Mechanical Stress
- Adaptable to C-Mount Components
Shutters | View All
![C and T-Mount Motorized Shutters](https://productimages.edmundoptics.com/5961.jpg?w=305&quality=80)
- Male and Female C- and T-Threads for Easy Integration
- Simple On/Off Operation with TTL Input
- M6 and ¼-20 Tapped Holes for Post Mounting
![Motorized Shutters](https://productimages.edmundoptics.com/2795.jpg?w=305&quality=80)
- Microprocessor-Controlled Motion Profile
- USB, RS-232, TTL or Manual Control
- Rated for Millions of Cycles of Actuation
- 25 and 35mm Aperture Shutters Available
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