SK34 Adjustable Iris Aperture Diaphragm Module Condensor Optical Diaphragm for Optical Instrument 1.5‑34mm

Feature: 1. Provide small holes of different diameters in the optical system to meet different light transmission requirements. 2. The compact and practical structure makes the diaphragm work more stable, light in weight and easy to operate. 3. It is manufactured with high quality precise craftsmanship, with high quality, long service life, high strength and good durability. 4. The inner hole enlargement and reduction range is 1.5‑34mm, which can meet your needs and adapt to a variety of optical instruments, cameras, etc. 5. The material is made of aluminum alloy, which is not easy to rust, has good hardness, corrosion resistance, low density, reliable and durable. Specification: Item Type: Iris Aperture Material: Aluminum Alloy Color: As s