Aperture Adjustable 1.5‑29 mm Iris Diaphragm M42 to M42 Camera Lens Module Adapter Ring

Feature: 1. M42 adjustable aperture is used to adjust the light coming from the camera lens. 2. Made of high quality metal material, reliable performance, sturdy, durable and long service life. 3. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 4. Full manual control, manual adjustment of scale focus, aperture priority, unlimited focus. 5. Lens adapter ring, both upper and lower ports are M42 ports. Aperture Diameter range: 1.5‑29mm0.1‑1.1in. Specification: Item Type: Lens Adapter Ring Material: Metal Color: Black Weight: Approx.44g1.6oz Interface: M42 to M42 1.5-29mm0.1-1.1in Minimum Aperture Diameter: Approx. 1.5mm0.1in Maximum Aperture Diameter: Approx. 29mm1.1in. Package List: 1 x Lens Adapter Ring