| POLL: "How do thse compare" |
 Sigma 28mm f/1.8 EX Aspherical DG DF Macro | 1 11.1% |
| Sigma 20mm f/1.8 EX Aspherical DG DF RF | 7 77.8% |
| Sigma 24mm f/1.8 EX Aspherical DG DF Macro | 1 11.1% |
mknabster Senior Member  827 posts Joined Jul 2005 Location: Limerick, PA, USA More info | Dec 17, 2006 09:56 | #1 I'm looking for a good wide angle lense that has at least a f/1.8, and i found these 3 Sigma lenses, and i'm wondering how each compares? - Matt
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jr_senator Goldmember  4,861 posts Joined Sep 2006 More info | Dec 17, 2006 10:23 | #2 Why not consider a Canon lens as well?
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AeroSmith Goldmember  More info | I'd say that the 20mm would be the best bet for true wide angle on a 1.6x crop body. Though it still only gets you 32mm FF equivalent. The 28mm will be very close to being a standard lens on the 30D. Josh Smith
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RaphaelEmond Senior Member  430 posts Joined Aug 2005 Location: Quebec, Canada More info | Dec 17, 2006 15:49 | #4 Myself, I tend toward the 20/1.8, because of it's wide focal and speed. Which no other can offer. But it must be usable wide open or at f/2. I've checked some review and it seems to vary from sample to sample. Canon Rebel XT, BG-E3, Sigma 12-24 EX DG HSM, 28/2.8, 50/1.8, 24-105L IS USM, Sigma 70-200 2.8 EX DG HSM
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condyk Africa's #1 Tour Guide  20,887 posts Likes: 22 Joined Mar 2005 Location: Birmingham, UK More info | Dec 17, 2006 16:04 | #5 |
mxwphoto Senior Member  588 posts Likes: 1 Joined May 2006 Location: Bay Area CA More info | Dec 17, 2006 16:49 | #6 20mm=32mmFF, 24mm=38.4, 28=44.8, and 30=48. If you need wide angle, the best that can go f/1.8 probably has to be the 20mm. Anything above 40mm can't really be considered wide angle anymore. Though both the 20mm and the 24mm wide open are reputed to be very soft - a "dream-like blur" quoted by one reviewer, it's there when needed. For sharp landscapes, the lenses best operate at 2.8 or above. Great shots are like great parking spaces... if you're not quick, it's gone!
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