Problem Zuiko OM 21 F3.5 (paired with viltrox)

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Marty Stenford Forum Member • Posts: 63
Problem Zuiko OM 21 F3.5 (paired with viltrox)

Hi everyone,

Is there some of you able to tell me what is the purpose of this metal flange on the back of my zuiko 21 3.5? Since I'm gonna use this amazing glass also for video production i bought a viltrox focal reducer. Pairing the lens with the normal adapter is an easy going thing, but pair it with the speedbooster is not possible unless i trim a bit this metal flange (is so exposed that does hit the glass of the focal reducer...)

Before i cut it off with my dremel i would really love to know why this metal flange has been placed there, and why...

Thanks for your help

Riccardo

 Marty Stenford's gear list:Marty Stenford's gear list
Olympus XZ-2 iHS Panasonic Lumix DMC-GH4
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