IRIS DIAPHRAGM Aperture blade with M42 x1mm thread casing

Product Feature:

The reason to have both M42x1mm female/ male threads is that you can use easy-to-get universal M42X1mm adapters with this one for your application...  Otherwise, with only the Iris Diaphragm itself, you need to find a way to attach it to your lens/adapters, etc... which often times is not easy or at least not elegant :-)

these are high quality item, usually used in camera or projection lenses, can also be used with some mount adapters for adjusting the aperture.

the dimension of the Iris:

Max. aperture diameter: appro 25mm

min. aperture diameter: appro 1mm

the dimension of the outer casing:

outside diameter: appro 54mm

thickness: appro 13mm (w/o the male M42 thread); appro 17mm (w/ the male M42x1mm thread)

Material for metal,reliable performance.Durable.

Packing List

one pc adjustable Iris aperture 1-25mm with male / female thread M42x1mm for camera