0.4X C Mount Microscope Adapter Port Eyepiece 23.2mm 30mm 30.5mm for CCD Camera
Suit Microscope: biological microscope and stereo microscope. 0.4X magnification to get a more wide view of microscope. 1x 23.2 mm to 30 mm adapter ring. 1x 23.2 mm to 30.5 mm adapter ring. 1x 0.4X C-MOUNT adapter.