The LB-604/605/606 comes with a 23.2mm ocular tube and a 1X C-Mount. You can use LC-2 camera which is very suitable for this microscope + 0.5X Cmount adapter that can be plugged into the eyepiece tube and the field of view for digital camera is close to eyepiece.
Please print LC-2 PDF catalog from following link: http://www.labomed.com/LC-2.html
Email us your required microscope and quantity to quote it for you with LC-2 camera and adapter.