Canon CB3-5396 Shoe Plate
Beseler Negative Stage Spring Stud 10-04613-01
Genuine Beseler negative stage spring stud. Figure #124 part #10-04613-01 for the 23C 23CII 23CII XL enlargers. Made by Charles Beseler USA. Exploded views for the 23C can help you find the part you need.
Canon WC4-5293 Detector Switch
Nikon 1B061-123U SWM Unit
Nikon JAA79351-F-USC Lens Mount
Premium import Nikon replacement lens mount for the AF-S DX 55-200 4-5.6 G ED lens.  Save $$ by transferring the aperture stop down ring and spring from your old lens mount to the replacement lens mount. Made by USCamera China. Please note that a replacement aperture stop-down ring and/or spring is not available separately.