Adjustable Iris Aperture Adapter for 1.5-26mm Lenses

This is an adjustable iris aperture diaphragm designed to fit lenses with M30 to M37 threads. It allows precise control of light entering the lens, with an aperture range from 1.5mm to 26mm. The diaphragm is suitable for use with various optical modules and lens systems, providing flexibility in adjusting exposure and depth of field. It is compatible with PVS-14 and similar optics, making it useful for applications requiring fine light regulation. The adapter ring ensures a secure fit between the diaphragm and the lens module, facilitating easy installation and adjustment.