Mamiya RZ67 rear lens cap
thingiverse
None of the lenses I have bought for my Mamiya RZ67 came with a rear cap, and the only 3D models I have found are for RB lenses. So, here's one. This cap is built out of two pieces: - A "lid", or the actual "cap". It fits the cylinder body on the back of the lens by pressure and protects just the rear optics - A "bayonet", which engages the RZ (or RB) lenses breech-lock ring to keep the cap in place I joined these two parts using a clear two-part epoxy for plastics. [Edit 2020-03-31] I just added another model that fits better the RB lenses. Just print one bayonet and correct lid for your lens (RB or RZ) and join them.
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