This is a 9 piece set of precision optical slits. The slits are made of 0.2mm thick aluminium, are unmounted, have 1inch (25.4mm) diameter. On the one side they are marked with width values and the other side of the slits is left blank.
The set contains following slits:
Great for Spectrometers, Slit-scan imaging, Image- and laser beam sampling, Alignment, Metrology, Astronomy, Medical imaging, Optical tweezers, Microfluidics, Photonics
and other DIY optical experiments.