Posted by J Balas on 3/12/2021 to Products
New Iris Diaphragms Now In Stock - Iris diaphragms provide a means for controlling the amount of light admitted to a lens or optical system. These diaphragms are lever controlled which provide a smooth transition from one aperture size to the next. These have no mounting holes and cannot be directly attached to a post. They are constructed from Steel and Aluminum. Base Lab Tools offers common iris diaphragm sizes.