4mm Multi-Element Inner Aperture Plate

Product Details Aperture Diameters up to 15mm Dull Matte Finish to Minimize Internal Stray Light Use with TECHSPEC Multi-Element Spacer Rings and Spacer Tubes for Precise Positioning Click Here to See How to Use the Multi-Element Tube System Components to Build an Optical System. TECHSPEC Multi-Element Inner Apertures provide complete control over beam shape and size in optical systems. Aperture diameters are available from 1mm to 15mm for applications that requiring small to large beam sizing. TECHSPEC Multi-Element Inner Apertures feature a dull matte finish to reduce internal stray light and reflections. For optimal placement of the aperture within the system, use TECHSPEC Multi-Element Spacer Rings and Spacer Tubes for precision positioning. Note: The TECHSPEC Multi-Element Inner Aperture Plate Kit ( #11-187 ) offers our full range of aperture diameters at a reduced price. Specifications General Function: Aperture Physical & Mechanical Properties Clear Aperture CA (mm): 4.0 Construction: Matte Black Anodized Aluminum (6061-T6) Outer Diameter (mm): 28.05 Thickness (mm): 4.00 Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × REACH 241: Compliant ×