Specify an optical aperture for your instrument, beam diagnostic or prototype. Send a drawing to [email protected] so we can confirm geometry, material, tolerances and lead time before ordering.Custom slit options Slit widths greater than 50 µm. Slit lengths up to 30 mm. Substrate dimensions up to 50 × 50 mm. 0.2 mm aluminium, 0.1 mm aluminium or 0.05 mm stainless steel. Custom outlines and mounting holes; mounting holes must be at least 5 mm from the slit. Custom pinholes and order detailsFor a pinhole, provide aperture diameter, plate material, thickness and mounting requirements. Feasibility and price depend on the requested geometry. Include quantities, dimensional tolerances and the required delivery date in your enquiry. The displayed variant identifies the material thickness; confirm the agreed custom specification before checkout.Drawings and CADDownload Datasheet & Drawing (.pdf) - 0.2mm (standard)Download CAD (.step) - 0.2mm (standard)Download Datasheet & Drawing (.pdf) - 0.1mm (thin)Download CAD (.step) - 0.1mm (thin)Download Datasheet & Drawing (.pdf) - 0.05mm (thinner)Download CAD (.step) - 0.05mm (thinner)