Specification: Features: 1. 0.5X magnification to get a more wide view of microscope. 2. C-mount adapter to connect CCD camera or digital eyepiece to microscope. 3. This microscope adapter is made of high quality material, durable and easy to use. 4. Compact with the lens tube, so that the depth of insertion can be easily controlled. 5. High transmittance and provides a clear vision. Notice: 1. Only Microscope adapter lens. 30mm and 30.5mm adapter ring and Microscope and Camera are not included. Specification: Type: C-mount Microscope adapter lens Magnification: 0.5X Mounting Size: 23.2mm to connect binocular mount C-mount Thread: 25mm to connect electronic eyepiece or CCD camera Suit Microscope: biological microscope and stereo microscope Size: about 13.5 x 8 x 5cm Package List: 1 x Microscope adapter lens