Sigma 25 1.4 for m4/3

Started Jan 22, 2013 | Discussions thread
peppermonkey
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Re: Sigma 25 1.4 for m4/3
In reply to clengman, Jan 22, 2013

clengman wrote:

peppermonkey wrote:

clengman wrote:

I think the lead is getting buried here. It looks as though Sigma (not Leica) may have designed the optics for the pana-leica 25mm. Interesting, no?

I'd like to get a fast 25mm at some point, but if olympus does a smaller lens at f/1.8 and around $300, that would make me plenty happy.

Leica has never designed lenses for Panny cameras. All Panny cameras (including compacts) that are labeled Leica are Panny designed and implemented lenses.

If the PanLeica 25mm was made by Sigma, that would only be the manufacturing side as the design would still be Panny (else Leica would never agree to let Panny use the Leica label.)

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Hubert
My non-digital gear: Agfa Isolette, Fed 2, Konica Auto S2, K1000, Yashica Electro 35 GX, Recesky, Olympus 35 RD
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Just compare the optical diagrams of the PL25 on the micro four thirds website with the diagram in Sigma's patent filed prior to the release of the lens. They are the same.

If sigma didn't have anything to do with the optical design why would panasonic not step in to do something about this blatant patent rip-off?

hehe, seems I'm a bit slow as I just responded to your question. Basically, as the patents are the same, there has to be some thing going on between the two companies though how that is possible I don't know unless one copied the other illegally which makes no sense.

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Hubert
My non-digital gear: Agfa Isolette, Fed 2, Konica Auto S2, K1000, Yashica Electro 35 GX, Recesky, Olympus 35 RD
http://farm3.static.flickr.com/2034/2457111090_00eafbf8a4_m.jpg
http://www.flickr.com/photos/peppermonkey/

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