1-inch aluminium pinhole for a variety of applications
Unmounted, Uncoated, made of bare aluminium, 1-inch (25.4 mm) diameter.
The pinhole itself is 50micrometers (μm) diameter. The thickness of the plate is 0.2mm (standard). The front side is marked with the diameter, and the back side is left blank.
Great for applications in spectrometers/spectroscopy, light sources, laser beam Fourier filters, alignment, metrology, astronomy, biophotonics, photonics and other Develop-It-Yourself projects.