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Old 12th February 2013  
Super Duper
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Join Date: Apr 2008
Location: Netherlands
Posts: 10,463
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Re: Speed booster for NEX

I trimmed off the rear shroud of my Elmarit R 28/2.8 (this is the first version) and, now, it can focus to infinity without any problems. The Summicron R 50/2 is now painted to get rid off the shiny surface from the filing. The Elmarit will undergo such an operation soon. For some odd reason, I have been quite slow but thorough with these in the past days. The Elmarit is shown attached to a R to EOS adapter.

One of the things to note is the absence of IR markings on both the lenses. Of all the makers when Leica do not put an IR mark, it does mean something and it shows how well color corrected the images one gets out of these lenses (it is entirely worth the bother to do these minor modifications to put them to use). The taking lens for this shot, an OM 28/2.8, OTOH, does have an IR mark.

Untitled by Vivek Iyer, on Flickr
NEX-6, Speed Booster, Olympus OM 28/2.8, 0.3m, Effective f/4
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