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GOOD REPLACEMENT LENS FOR 18-55MM 20D


john_lacatus

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Nothing comes close for the price. In the $450-$700 range are the Sigma 18-50 f2.8 EX DC, and the Canon 17-40 f4L. Sigma make a budget 18-50 f3.5-5.6 DC, but no one round here seems to have used it and I doubt it would be any better than the kit lens. Sigma also make a 18-125 f3.5-5.6(?) zoom which has a reputation for being good value, but soft beyond about 80 mm.
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John, there are plenty of excellent threads regarding this subject. As well as topics which may be of interest to you. Trying to do a search on the Canon forum for things like, general purpose, good lens, zoom, all purpose. It should come up with a list. There are so many variables that you need to consider in choosing a 'best/good' lens. Short of it, there is not "best" lens. All things are compromises. So read up on all the various lenses and options, and then try it out for yourself.

 

IMHO, 17-40/4, 24-70/2.8 and 18-85IS.

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a GOOD REPLACEMENT ?!

 

 

Q.how much cash are you willing to spend ?

A.

 

Q.What "mm" (prime/zoom) are you looking for ?

A.

 

Q.What will be your subjects/s ?

A.

 

And then perhaps you can expect to see some answers that are best suited to your requirements.

 

all the best.

 

Andrew Moore

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The Sigma 18-50/2.8 is good, light and reasonable in price (US$400). It is very sharp

wide-open out to the edges at 50, sharp in the centre wide-open at 18 with mild

vignetting. The only real argument against it is that is a DC lens so will not work on a 1.3

multiplier lens, let alone FF. I am very happy with it as a replacement for the kit lens.

Check out the tests at http://www.pbase.com/fstopjojo

 

John

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