Interesting old Kowa film back camera and ophthalmologist tool that I know nothing about. All of the glass appears to be very clean and sharp. No scratches, dust, fungus or issues. Film back is also clean and the shutter fires. The two pieces are clean and I am able to adjust them without issue. All of the connections/adapters are clean and fit together well. No dents, deep scratches or visible issues. Not tested. As is parts or repair. Thanks.