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[OM] Re: FYI - E-420

Subject: [OM] Re: FYI - E-420
From: "Leandro DUTRA" <leandro.gfc.dutra@xxxxxxxxx>
Date: Wed, 5 Mar 2008 10:25:34 -0300
2008/3/5, C.H.Ling <ch_photo@xxxxxxxxxxxxx>:
>
>  I think the trade off on the OM 40/2 is little, it is a full frame with
>  weight of 140g and height 25mm. Sigma 30/1.4 is 430g and 24/1.8 is 485g!

Still apples and oranges.  Full frame is meaningless for Four Thirds;
the Sigma 30mm f:1,4 is much faster and longer (60mm equivalence).  A
fair comparision to the Sigma 30mm would be an OM 60mm f:1,4;
conversely, the Four Thirds equivalent of the OM 40mm would be a Four
Thirds 20mm f:2.

Also, I understand Four Thirds is at a disavantage at wide angulars,
so our fast, compact wide angle prime maybe isn't even possible at
all.  That would be a reasonable tradeoff for our compact, light, fast
telephotos.

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