New and need help
- Thread starter Pokey
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Canon Bob
Loves the Enemy
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- Bob
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Sorry, I don't have suitable comparison shots right now but you're really looking at two very different lenses with different design aims.
The 28-300L is a general do all lens aimed at togs who need quick flexibility....always having the right lens on. I have the forerunner of this, the 35-350L, and sharpness and focus speed is much slower than the 70-200L's. Achieving end to end sharpness for a 10x plus zoom is is always going to be a challenge.
The 70-200 on the other hand is sharp and responsive...easy to achieve with a 3x zoom but may fall a little short for motorsports without the addition of a T/C (I have the IS version)
I'm not trying to put you off either lens...they both have there place and are good within their design criteria but I find it hard to end up a with a scenario that both could be considered for.
Bob
The 28-300L is a general do all lens aimed at togs who need quick flexibility....always having the right lens on. I have the forerunner of this, the 35-350L, and sharpness and focus speed is much slower than the 70-200L's. Achieving end to end sharpness for a 10x plus zoom is is always going to be a challenge.
The 70-200 on the other hand is sharp and responsive...easy to achieve with a 3x zoom but may fall a little short for motorsports without the addition of a T/C (I have the IS version)
I'm not trying to put you off either lens...they both have there place and are good within their design criteria but I find it hard to end up a with a scenario that both could be considered for.
Bob
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I have a Tamron 28-300 and a Sigma 70-200 f2.8, not the lenses you mention but the ranges / apertures you specify.
I find that I miss the 28-300 more than I miss the f2.8. When budget allows I'll be buying a 100-400 for motorsport / wildlife and something shorter for walkabout / landscape
I find that I miss the 28-300 more than I miss the f2.8. When budget allows I'll be buying a 100-400 for motorsport / wildlife and something shorter for walkabout / landscape
CT
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Both these shots were taken with the 70-200 2.8L IS
It's a cracking sharp lens and fast in use, I use it quite a bit for bird togging when I can get close enough. I think for motorsports you may find it a bit on the short side though.
Have you thought about the 100-400L IS? The long zoom range makes it very flexible.
It's a cracking sharp lens and fast in use, I use it quite a bit for bird togging when I can get close enough. I think for motorsports you may find it a bit on the short side though.
Have you thought about the 100-400L IS? The long zoom range makes it very flexible.
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Cracking shots CT, very nice 
I think he needs the speed of focus and sharpness. But i am not too sure what the 100-400 OR the 28-300 is like. I think personally the 28-300 is a compromise.
Pokey will be shooting motoX & rally etc so he can get in close(ish)
Pokey there is a bit of a conflab going on a link about larger zooms maybe this might help
http://www.talkphotography.co.uk/forums/showthread.php?t=48233
Unless anyone else can help
I think he needs the speed of focus and sharpness. But i am not too sure what the 100-400 OR the 28-300 is like. I think personally the 28-300 is a compromise.
Pokey will be shooting motoX & rally etc so he can get in close(ish)
Pokey there is a bit of a conflab going on a link about larger zooms maybe this might help
http://www.talkphotography.co.uk/forums/showthread.php?t=48233
Unless anyone else can help
CT
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A couple of shots with the 100-400L IS...
This was the first L glass I bought and I used it for all my wildlife shots at one time. It's a superb lens and I personally like the push/pull zoom.
The 100-400 would be my choice and best bang for his buck. Sometimes it may not be long enough but it will rarely be too long, so it's very convenient The other option of course is to go with a 300 or 400mm prime and converters?
This was the first L glass I bought and I used it for all my wildlife shots at one time. It's a superb lens and I personally like the push/pull zoom.
The 100-400 would be my choice and best bang for his buck. Sometimes it may not be long enough but it will rarely be too long, so it's very convenient The other option of course is to go with a 300 or 400mm prime and converters?