I was interseted in bettering my 17-40 canon and tested the 21 olympus along side of it. I really could not see a performance increase to merit purchase of the olympus. I also tested the canon against 2 copies of the tamron 17mm prime. Canon was better. Recently got a Ze21 ... and I am pleased with that.
I guess I can just say not to write off the canon zoom as sub par.
If looking to buy a 17 and 21, compared to the zoom, you are not really saving any money with bargain Alt primes. Not to mention not having the 24 to 40 range.
jp
Dec 06, 2009 at 07:08 PM
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