Telephoto lens advice

B

Butler

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James Butler
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Mainly I shoot motorsport events when I get the chance. When shooting head on I usually use one shot focus to pick up on a certain area of circuit, then photograph the cars as they pass. Sometimes however my pictures are coming out not very well focused. Obviously it could be a number of reasons, would the quality of my lens effect the focus though, I am using a tamron 70-300 which I have had for a few years now. It seems only the odd shot is well focused but I cant seem to touch on the quality of other peoples pictures. I am considering upgrading to a canon 70-300, would this be a wise upgrade? I have also noticed slight pinking from the tamron lens, and also it seems to react badly to headlights. Thanks in advance.
 
nice colours, I use the 70-300 IS and like it although haven't been blown away by it, it is okay to my budget
the older 70-300 isn't too much to write home about from what I've seen (I used to have the 100-300 non IS a while ago which was a bit better)
the 70-200L are supposed to be tack sharp
 
As above the 70-300 adds IS so this can help with motorsport - it has a 2 stage IS, which allows for panning.

There are also a number of other reasons - it could also be because your using one shot, rather than servo, the car etc is not exactly where you pre-focused to or your shutter speed maybe slightly too slow so the car is moving in shot :shrug:

Try using servo and following the car "locked on" to see if this improves your pictures :thumbs:
 
Would anyone be kind enough to post up some pics of their photos with the 70-300 IS. Only thing with the servo on the tamron is its stupidly slow!
 
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