farnz Posted August 7 Share #41  Posted August 7 Advertisement (gone after registration) 17 hours ago, farnz said: Not all Leica lenses have aluminium helicoids but often those with brass barrels to minimise weight. Pete. Ugh, apologies for quoting myself but I mis-typed while distracted by something else. What I had meant to write was: "Not all Leica lenses have brass helicoids and often those with brass barrels have an aluminium helicoid to minimise weight". Pete. Link to post Share on other sites More sharing options...
Advertisement Posted August 7 Posted August 7 Hi farnz, Take a look here Summilux 50mm ASPH - material..?. I'm sure you'll find what you were looking for!
lct Posted August 7 Share #42 Â Posted August 7 Re: aluminum helicoid. I seem to have only one lens like that, the Rokkor 40/2 for Minolta CLE. I'm pretty sure there are other examples but i can't seem to recall them. Link to post Share on other sites More sharing options...
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