| AaronM | 
			01-04-2010 11:31 AM | 
		 
		 
		 
		
		
		
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					Originally Posted by xenigo
					(Post 16705801)
				 
				That's a nice lens, and one that I'd like to have personally... but it's such a long telephoto that it's not really usable for most purposes except for ones requiring some super long reach.  I couldn't even use it in most locations because they don't have enough space.  And, that's one heavy ass lens... I shot a wedding with one as a second shooter and my arm was trembling after a half hour... lol 
			
			 
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I'll have to STRONGLY disagree with you on this.  I use my 70-200 f2.8 lens on at least 85% of my work.  Heavy you say?  Perhaps, but it's all in what you get used to carrying/using.
 http://www.bhphotovideo.com/c/produc...Autofocus.html
This particular thread focuses on the use for sports which makes the 70-200 f2.8 one of the best possible options for the OP.  Taking it a step further, it gives them the chance to add Canon's EF Extender II which will take them up to a 400mm f5.6 (I know, not a full frame camera so not a true 400mm but you get the idea)  
 http://www.bhphotovideo.com/c/produc...tender_II.html
Similar lens, good brand, way less money.
 http://www.bhphotovideo.com/c/produc...2_8_II_EX.html
The EF Extender WILL NOT work on the 24-70 that you have but when it comes to sports, it's an inexpensive way to maximize the 70-200 lens.
 
	Quote: 
	
	
		
			 
			
				
					Originally Posted by xenigo
					(Post 16705801)
				 
				If you want to do any serious photography of any kind, you need to have an L lens with a constant aperture. The last thing you need is your aperture changing from 4.0 to 5.6 because you zoomed, and it totally fucks your exposure. With one of the L 2.8 zoom lenses, you'll never have to worry about that. 
			
			 
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 If they were doing "serious photography" then they would probably already know this.  However, they are not.  This person is using a Canon 40D and as with most 40D users, they probably rarely venture off of "Auto" mode.  A constant stop lens is not needed for most practical applications.....Not that it hurts but why even mention it in this thread at all?  
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