Self-made Pinholes Y-Z Mount 5ZYPS has two screws to adjust the pinhole about two axes in 5 mm range. 5ZYPS has a pinhole holder mounted - 14 mm in diameter with 3 mm clear aperture, made of steel. On request we supply pinholes. Or you may insert a Ø7 mm disk of thin sheet of any material into this holder, and will be able to make a hole at any desired position using any available method (e.g. with a needle). 5ZYPS has three M6 holes and it can be mounted on Mounting Post 3MP.