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Sigma 30mm F1.4 EX DC HSM

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Review Date: May 19, 2009 Recommend? yes | Price paid: $600.00 | Rating: 9 

 
Pros: damn sharp in center at 1.4, very fast and accurate AF, very-very-very strong to flares, low weight, compact size, price tag, versatile FL for indoor shooting, lens hood included
Cons:
sharpness quickly falls off to corners - not the best lens for full-length portraits, CA (but not much), DC lens

That was my upgrade out of 18-55 kit lens for canon crop body: sig 10-20 + sig 30/1.4. I bought it especially for shooting my new-born daughter indoors w/o flash. So the lens justified my hopes in terms of 1.4, AF speed and FL: many times I admited that 50mm would be too long for crop body to make a good shot indoors.

When the word 'strobism' started to sound in my ears, I noticed that 30/1.4 is very strong to optical flare. Many of my shots contain direct sun and look pretty well.

The strongest disadvantage of the lens is it's sharpness fall-off. If you shoot a person and the face is not in center of the frame, be sure, that you are stopped down enough: f/4 or narrower aperture. I also noteced a strong field curvature with this lens: when I was focusing on someone's face with central point and then recomposed my image, I got misfocus in hight percent rate. But when I used perepherial focusing points (on 40d they worked just fine) I had significantly better results.


 
Sigma 10-20mm F4-5.6 EX DC HSM

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Review Date: May 19, 2009 Recommend? yes | Price paid: $640.00 | Rating: 9 

 
Pros: wide angle, not flare prone, ability to use filters, tank-like build quality, price tag, complectation
Cons:
DC lens, not as sharp as sigma 12-24

That was my upgrade out of 18-55 kit lens on canon crop sensor body. I bought this lens especially for creating panoramic pictures and made a choice between sigma and canon 10-22 based on reviews, price tags and complectation - lens hood and a pouch included in sigma's pack are useful. It's quite strong to flares as already mentioned in many reviews - so it's a big advantage for panorama creation. It has no CA on longer end (20mm) even wide open, though 5.6 is not very fast to call it 'wide open', imo 8]

I did not choose my specimen out of many copies, just went to a local shop and gave them money. Image quality was good enough to sell stock photographs. Though, now I'm with FF body and use sig 12-24 instead of this glass. Have to say that 12-24 is sharper, especially in corners. It also seems that I like pics from 12-24 more, mb FF sensor is the reason (5d2 vs 40d).


 
Sigma 70-200mm F2.8 EX DG APO MACRO HSM

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Review Date: May 18, 2009 Recommend? yes | Price paid: $1,000.00 | Rating: 8 

 
Pros: f/2.8, very fast autofocus, tank-like build quality with internal focusing and zooming, nice price tag and finally.. it is black!
Cons:
my copy gave me soft pictures with yellowish color cast, image quality non as good as 85L

It was my first telephoto lens. When I bought it, I had 30/1.4 and 10-20 on a crop sensor canon body, so I had a lack of longer FL. So I made a choice between sig 70-200/2.8, canon 70-300 IS and sig 100-300/4. I didn't want to be payed with attention so I desired not to look at any white canon 70-200. Sig 70-200 won the contest because of its better build quality and faster aperture.

After a year of use I found it as a good sports shooting lens with it's very fast and accurate autofocus: with iso 3200 you'll never see it's softness even at 100% 8] As a portrait shooting lens it disappointed me with it's softness even at f/5.6@70mm. Though it's got nice bokeh.

At last I bought 85LII and sold 70-200. Now feel good, stunned with IQ of 85 lens. Looking at 200/2L to get longer FL, though don't suffer much without it.