dcastelli Posted January 31, 2021 Share #1 Â Posted January 31, 2021 (edited) Advertisement (gone after registration) Can anyone tell me the difference between an IROOA lens hood and a 12571J hood? Why is the 12571J considered rare? I've got the 12571J. It was in a 'junk box' of camera bits that included two 39mm silver mount Leica filters (UV & Med. Yellow), some Nikon filters and a Leica Large Ball & Socket head. I paid $20.00 at a home tag sale just before Covid lockdown. I have a M2 w/a 35mm Summarit-M and a Leica/M-Rokkor 90mm f/4.0 (made in Germany.) Thanks for helping me out of this confusion. Dan Edited January 31, 2021 by dcastelli typo Link to post Share on other sites More sharing options...
Advertisement Posted January 31, 2021 Posted January 31, 2021 Hi dcastelli, Take a look here 12571J. I'm sure you'll find what you were looking for!
lct Posted January 31, 2021 Share #2 Â Posted January 31, 2021 IROOA and 12571 are the same hood with different engravings in my book. You may wish to ask on the Collectors forum to be sure though. Link to post Share on other sites More sharing options...
a.noctilux Posted January 31, 2021 Share #3 Â Posted January 31, 2021 Answer in Wiki IROOA more in this thread Link to post Share on other sites More sharing options...
dcastelli Posted January 31, 2021 Author Share #4  Posted January 31, 2021 Thanks to both Ict & a.noctilux for the responses to my question. Dan  1 Link to post Share on other sites More sharing options...
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