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Old Oct 15, 2004, 9:16 AM   #1
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I am looking to upgrade from my Oly e-20 to a Canon 20D, but need a little help on lens quality vs price.

I currently have the 300mm addon lens for my Oly and would like to get one also for the 20D, but I have no idea about quality of lenses on the market.

I do a lot of Nature photography and here recently taken an interest in sports photography using the my 300mm lens.

Can somebody give me the low down on lenses. I'm looking for a good 300mm, or higher, zoom in the range of f4. I don't want to spend a fortune though.

I've noticed that Quantaray seems to be the cheapest, do you get what you pay for with these?

What about Sigma?

Are Canon lenses really that great?

Thanks for your input!

Greg
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Old Oct 15, 2004, 12:24 PM   #2
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Let me ask for some clarification. Are you interested in a 300mm prime or a zoom? Also, since the 20D has a 1.6x crop factor, a 200mm lense would have an effective 320 range - is that acceptable or do you want an actual 300mm lense (which would have an effective range of 480)? This info will help everyone provide better feedback.

As for quantaray my past experience is you get what you pay for with this brand of lense. It has been about 10 years since I dealt with them but I was very dissatisfied.
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Old Oct 15, 2004, 12:30 PM   #3
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I guess I'm open to either a fixed focal length or a zoom, a zoom would be more versatile though.

The 300mm is more or less a reference point, more is better for the kind of shots I like to shoot. Close up animal shots from far away.

Thanks,

Greg


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Old Oct 15, 2004, 12:54 PM   #4
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What is your budget for this lens?
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Old Oct 15, 2004, 2:17 PM   #5
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Greg,

your requirements match my own. Idid a lot of reseach before buying and I have gone for a Sigma 100-300 f4.

it cost£600in the UK.Apperently it can take the Sigma 1.4x converter without a noticeable drop in image quality.

The kind of comments that I was getting in my research was along the lines of good glass for the price and this is Sigma's best lens.

I have only had it a couple of days and have not really given it a good testing, but from what i have seen, i am very pleased. It is heavy though.

It is well worth checking out.

norm
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Old Oct 15, 2004, 3:37 PM   #6
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gibson,

I'm looking for something under $500

Thanks,

Greg


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Old Oct 15, 2004, 3:39 PM   #7
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Norm,

Cool, I will check it out.

Please, if you can, post some images taken at full zoom, especially any that have some vertical and horizontal lines near the edges of the lens. I'm looking for chromatic aberration.

Thanks,,

Greg


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Old Oct 15, 2004, 4:42 PM   #8
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Greg

You could try the Canon 75-300 USM IS F4-5.6

You can view some samples at

http://www.pbase.com/cameras/canon/ef_75300_4is

You can also view samples of other lens at

www.pbase.com/cameras

Choose the lens and view sample shots.

Phil
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Old Oct 15, 2004, 6:08 PM   #9
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Greg,



there is a lot of information here

http://www.photozone.de/bindex2.html

norm
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Old Oct 15, 2004, 6:16 PM   #10
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Greg

You can also read reviews of lenses here

http://www.fredmiranda.com/reviews/

Phil
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