Standard Precision Slit for Optical Instruments at Stock

Mounted Precision Air Slits/ Mounted Precision Pinhole

Our slits and pinholes can be pre-mounted in black-anodized aluminum housing for a secure mechanical support. The mounts also fit into various optical assemblies. Mount can be clearly labeled with aperture/slit size for easy identification. 

Slit Widths Available: 5 – 1000 µm 

Slit Length: 3 mm or customized

Slit Material: 304 Stainless Steel, or 304 Stainless Steel with Black Oxide Finish

Housing: Black-Anodized Aluminum with Ø1″ (25.4mm) Outer Diameter x 0.10″ (2.5mm)Thick

Unmounted Slit Diameter: Ø9.5 mm

Pinholes are available: 5um-1000um

Unmounted slits or unmounted pinholes are also available.

The slits or pinholes can be taken out of their housings by removing the retaining ring. 

If you do not see what you need above, you are welcome to customize special opinholes or slits that are fabricated from different substrate materials, have different slit and ponhole sizes, incorporate multiple slits in one foil, or provide different slit or pinhole configurations. Customized mounts are also available. Please feel free to contact us to discuss your specific need.