DFA90mm/2.8

Started Feb 10, 2012 | Discussions thread
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Gerry Winterbourne Forum Pro • Posts: 11,238
Re: DFA90mm/2.8

transeyoshi wrote:

Yesterday, I took the photo of DFA90mm/2.8 prototype from the top at CP+ (Cameras show). As you see, there is black ring thing inside the lens. I wonder what it is. Do you have any thoughts? Yoshi

A black ring? There are several and they are just the metal parts that hold the lens elements.

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Gerry

First camera 1953, first Pentax 1985, first DSLR 2006
http://www.pbase.com/gerrywinterbourne

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