Rear OCT-18 mount lens cap
I have dozens of OCT-18 lens with lost caps. So, I supposed that many Konvas users and lens sellers may have same problem, and decided to manufacture more of these caps since original factory doesn't manufacture them for at least 20 years by now.
This rear lens cap for OCT-18 lenses is copy of original one. Made of plastic. RafCamera logo is on the rear side :-)
The cap made so that it slides onto the lens bit tight, to prevent falling off accidentally.