To M37 Adjustable Aperture 1 5-26 mm Microscope Membrane Camera Lens Adapter Rings Cover for PVS-14 PSV14

The adjustable aperture is 1.5 mm to 26 mm and the dynamic adjustment ranges are large. A single original can be used in multiple scenes, and eliminates the burden of needing multiple aperture sets due to inappropriate apertures, making it more convenient to use. The aperture of this microscope can be changed via the one that is easy to use, compact and easy to carry and is a very practical laboratory accessory. The maximum aperture of the iris diaphragm can reach 26 mm and the light transmission is stronger, making observed object dark clearer and brighter without the need to receive external light sources. Compared to using a small hole through the opening, the ease of use is significantly improved. Outer housing of the microscope opening is made of metal material, structure stable and durable, the inner structure protects from damage and significantly improves the service life. Compact and practical ensures that the membrane is more stable.