70-200f4L IS vs 70 - 300 f4-5.6 for motorsports

npoforlife · Oct 26, 2008

as the post topic says im looking to buy a telephoto lens for photographing motor sports as well as other stuff like birds flowers etc. im just wondering which would be better. would just buying the 70-300 be adequate

presently i have a rebel Xsi

as much help as quickly as possible would be appreciated
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npoforlife · Oct 26, 2008

to specify what motorsports meaning rally's ,dexterities curcuit
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Bigpapa · Oct 26, 2008

Never had the 70-200mm F4L IS, hope to get it in a week or so. But i have owned the 70-300mm F4 and it is a good lens,but for motorsports i think its auto focus is too slow for many fast moving sports

npoforlife · Nov 6, 2008

any other suggestions
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npoforlife · Nov 6, 2008

ok thanks thats what i thought but im not too sure
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JosHendrikx · Nov 7, 2008

I own the 70-300 IS and its focussing is indeed slow. However I took it to an air show (doesn't get much faster than that I think) and still got quite alot of good shots.

I think your choice should come down to the question if you need the extra 100mm or the realy fast focus?

For me the extra 100mm was the dealbreaker, because you can really make use of it when photographing something thats far away (planes, birds, wildlife) + you have quite some $$ advantage which you can punt into some other gear.

Just my 2 cents.

Greetz,

Jos

400D 17-40L, 18-55, 50 1.8 mrkII, 24-105 4/L, 70-300 IS, 430 II

npoforlife · Nov 7, 2008

ok so i guess i need to borrow a 70-300 and see if the extra reach makes a difference vs Fast autofucus
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JosHendrikx · Nov 10, 2008

To help compare IQ have a look here:

http://forums.dpreview.com/forums/read.asp?forum=1029&message=15325341

Thanks to Greg, aka peacefrog!

Later on in the same thread also a photobase link of greg's:

http://www.pbase.com/dadas115/ef70300is&page=2

Personally I liked this thread, didn't find alot of difference between the lenses and it made me want the 70-300 IS.

Keep in mind this is a 'static' picture comparison, I think if you want to shoot sports, then the 70-200 might have the edge, because of faster AF due to the ring USM. Hope this helps you.

Jos

Andy__B · Nov 10, 2008

I recently purchased a 70-200 f2.8 (non IS) lens for my 40D and had the opportunity to test it's performance at the Australian round of Moto GP at the lovely Phillip Island circuit. Image quality is brilliant with the bikes and riders coming up razor sharp against a beautifully blurred background. I also used a 1.4x extender when I was a bit further away from the track and this also worked really well.
Hope this has been helpful.
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AB

mkerz · Nov 10, 2008

Hi, I just wanted to say that the link you provided compares the 70-200mm f4 and not the 70-200mm f4 IS. Apparently, from what I've heard, the 70-200mm f4 IS is newer and has improved optics and coatings, thus giving it better image quality than the non-IS version.
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Tommy

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70-200f4L IS vs 70 - 300 f4-5.6 for motorsports

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