1、[Durable Material] Made of high quality alloy material, which is durable, wear resistant, and can be used for a long time. 2、[Expand Field Of View] 0.5X magnification, placed in a binocular or trinocular microscope to expand the field of view of the camera. 3、[With Two Adapter] Including two adapters, it provides three mounting sizes on the side of the microscope, which is 23.2mm, 30mm and 30.5mm. 4、[Stable Performance] Used for microscope to connect SLR and digital camera adapter, with exquisite appearance and stable performance. 5、[Widely Application] Suitable for almost all kinds of microscopes, including compound and stereo microscopes, to meet your various need. Item Type: Lens Adapter Material: Alloy Application: Used for microscope to connect SLR/digital camera adapter Magnification: 0.5X Mounting Size On The Microscope Side: Approx. 23.2mm / 0.9in, 30mm / 1.18in, 30.5mm / 1.2in Included Adapters: Two adapters convert 23.2mm / 0.9in to 30mm / 1.18in or 30.5mm / 1.2in 1 x Camera Adapter 1 x Lens 2 x Lens Adapter 1 x Connector