<ul><li>[Wide application] - Suitable for optical instruments, cameras, and various optical applications.</li><li>[Premium quality] - Made with technology and aluminum alloy, ensuring reliability and durability.</li><li>[Adjustable diameter] - Inner hole size ranges from 1.5mm to 25mm, allowing for versatile usage.</li><li>[Stable performance] - Compact and practical design provides stable performance of the diaphragm.</li><li>[Easy to use] - Conveniently adjust the aperture size to achieve desired effects and enhance photography skills.</li></ul><br><br>

Adjustable Aperture Diaphragm 1.5-25mm Lens Aluminum Alloy Optical Applications for Camera Microscope