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Sigma 80-400mm F4.5-5.6 EX OS APO

Sigma_80-400_OS
Review Date: Feb 12, 2011 Recommend? no | Price paid: $1,200.00 | Rating: 5 

 
Pros: OS
Cons:
heavy, slow AF, image quality is not really good

This lens is really heavy if you want to handhold. if you use it on a tripod then the OS is useless so there is no reason to buy a lens with OS if you are unable to handhold it. The quality is not really good , acceptable at f8-f9, adn much worse from 300mm. The AF is really slow and hunts , i lost hundreds of photos because of this problem. The 50-500 EX lens is much better performer and faster.

 
Sigma 100-300mm f4 EX IF HSM APO

100-300if_1_
Review Date: Feb 12, 2011 Recommend? no | Price paid: $999.00 | Rating: 1 

 
Pros: none
Cons:
New lens had AF defect - lack of QC from Sigma - DON'T BUY IT!

I bought a new 100-300 F4 APO EX DG HSM after reading the reviews here. Well, this was the last Sigma lens what i bought. I owned lot's of Sigma lenses but i never had this problem before.
I bought it online and after i received i tried it...well without luck...the AF didn't worked, no noise from the HSM motor, nothing, the focus ring was alsomt stuck. Contacted with the seller but he refused to pay my money back because i tried the lens, so now it's used. How can a lens hit the shelves without testing it???? Is this the new Quality Control from Sigma? and now i have to pay the shipping costs to the Service and back, so now i'm really dissapointed with Sigma...


 
Sigma 28-70mm F2.8 EX Aspherical

28_70f2_8lens_1_
Review Date: Feb 12, 2011 Recommend? yes | Price paid: $200.00 | Rating: 10 

 
Pros: Sharpest zoom ever from Sigma
Cons:
nothing, this lens is a gem

This is the best lens that everybody should have. Really an underrated lens! If you looking after one don't buy the old DF (Dual Focus) lens, that is rubbish. This 28-70EX DG lens is fast, has amazing picture quality from f2.8 and excellent from f5.6 , small and not heavy. A top standard zoom lens for a small price!!!

 
Sigma 24-60mm f2.8 EX DG Lens

24-60mm
Review Date: Feb 12, 2011 Recommend? no | Price paid: $270.00 | Rating: 1 

 
Pros: sharp, small
Cons:
poor QC by Sigma - lens had backfocus issue

My copy had back-focus issue so i sent back under warranty. After that was good. This lens is sharp from f4, at f2.8 is useless. The 28-70EX DG lens is much smaller and that lens is the real deal, sharp right from f2.8 and excellent from f5.6 so i sold my 24-60 right away...

 
Sigma 15-30mm f3.5-4.5 EX Aspherical DG DF

15_30f35_45_1_
Review Date: Feb 12, 2011 Recommend? yes | Price paid: $300.00 | Rating: 9 

 
Pros: Sharp, good quality lens
Cons:
heavy lens, loud AF

if you don't need wider than 15mm than this lens is a bargain. I used this lens for youears without any problems, only the AF was loud. Lens is much sharper than the Sigma 10-20DC lens, very good from f7.1 and the corners are sharp from f9-f11. Lens has flare if you shoot into the sun because of the big front element but if you leave the metal lens hood on the lens then it's better. A bargain for your money!

 
Sigma 12-24mm f4.5-5.6 EX DG Aspherical HSM

l3a_copy
Review Date: Feb 12, 2011 Recommend? no | Price paid: $500.00 | Rating: 1 

 
Pros: nothing
Cons:
lack of Sigma's QC, lens is soft overall, slow AF

Agai, lack of Sigma's QC:
i bought one second hand, but this lens is a lemon, you can throw it away. The lens was soft overall no matter what i used, really bad till f7.1, from f8 till f22 was overall soft. I think HSM doesn't exists in this lens because the 15-30EX without HSM was faster than this copy of mine. What i can say if you don't need a full frame lens you better buy the Sigma 10-20DC lens...


 
Sigma 10-20mm F4-5.6 EX DC HSM

111_small
Review Date: Feb 12, 2011 Recommend? no | Price paid: $270.00 | Rating: 4 

 
Pros: good price, wide
Cons:
soft in corners, decentered - lack of Sigma's Quality Control

Sigma is not really good in QC nowadays. I bought this lens second hand and i noticed that the lens is decentered, the right side is not as sharp as the left. the lens is wide but the corners never will be sharp no matter if i use f9-f11-f13 apertures. well you know it - you get what you paid for...

 
Sigma 20mm f/1.8 EX DG Aspherical RF

20_f1_8_1_
Review Date: Feb 12, 2011 Recommend? yes | Price paid: $150.00 | Rating: 9 

 
Pros: sharp, fast AF, build quality is good
Cons:
flare, loud AF

I really like this lens, very good for landscapes, soft at f1.8 but sharp from f2.8 and it's excellent from f4.5 , at f5.6 has the same sharpness as the Sigma 10-20mm DC f4.5-5.6 at f9 so you can imagine how good is this lens. Little flare and CA but if you don't shoot right into the sun then you won't see it.
Overall a quality lens for a small price.