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| Lenses Discussion of Lenses | 
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			#1  
			
			
			
			
			
		 
		
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			I need help would an older sigma eos fit lens work on a dslr even un-chipped and used as a manual lens. Its a sigma 90mm macro lens.
		 
		
		
		
		
		
		
			
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	Christine Iwancz Gallery upload limit is 4 photos per 24hrs Gallery Posting Guidelines here http://ciphotography.freehostia.com/index.php Equipment= Canon 7D, 40D, 400 f5.6, 75-300, 100mm Macro, 18-55, Canon 70-200 f4, Tokina 12-24mm, Kenko pro 300 1.4,1.5 and 2.0x, Jessops ext tube set, Canon 580 flash. Home made ring flash. . Close-lens.  | 
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			#2  
			
			
			
			
			
		 
		
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			Christine,  
		
		
		
		
		
		
		
		
	
	Nikon mount I understand, but not Canon. Check this link to see if it makes any sense http://photonotes.org/articles/eos-manual-lenses/ Don  | 
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			#3  
			
			
			
			
			
		 
		
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			Thanks Don this is the lens. Sigma 90mm f2.8 Macro lens – Canon EF fit but doesn't know whether it would work with digital. I thought it may still work but only in manual if unchipped. Shame 
		
		
		
		
		
		
			 
		
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	Christine Iwancz Gallery upload limit is 4 photos per 24hrs Gallery Posting Guidelines here http://ciphotography.freehostia.com/index.php Equipment= Canon 7D, 40D, 400 f5.6, 75-300, 100mm Macro, 18-55, Canon 70-200 f4, Tokina 12-24mm, Kenko pro 300 1.4,1.5 and 2.0x, Jessops ext tube set, Canon 580 flash. Home made ring flash. . Close-lens.  | 
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			#4  
			
			
			
			
			
		 
		
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			You now have me looking up the Canon lens mounts.  
		
		
		
		
		
		
		
		
	
	    Post a pic of the mounting end as that may help. Don  | 
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			#5  
			
			
			
			
			
		 
		
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			Don, I have sent you an email.
		 
		
		
		
		
		
		
			
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	Christine Iwancz Gallery upload limit is 4 photos per 24hrs Gallery Posting Guidelines here http://ciphotography.freehostia.com/index.php Equipment= Canon 7D, 40D, 400 f5.6, 75-300, 100mm Macro, 18-55, Canon 70-200 f4, Tokina 12-24mm, Kenko pro 300 1.4,1.5 and 2.0x, Jessops ext tube set, Canon 580 flash. Home made ring flash. . Close-lens.  | 
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			#6  
			
			
			
			
			
		 
		
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			Christine, in a word, No.
		 
		
		
		
		
		
		
			
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	Adey http://www.birdforum.net/pp_gallery/...00/ppuser/1805 'Write when there is something you know: and not before: and not too damned much after' Ernest Hemingway  | 
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			#7  
			
			
			
			
			
		 
		
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			Awww! Thats a bit blunt and to the point. LOL! 
		
		
		
		
		
		
			 
		
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	Christine Iwancz Gallery upload limit is 4 photos per 24hrs Gallery Posting Guidelines here http://ciphotography.freehostia.com/index.php Equipment= Canon 7D, 40D, 400 f5.6, 75-300, 100mm Macro, 18-55, Canon 70-200 f4, Tokina 12-24mm, Kenko pro 300 1.4,1.5 and 2.0x, Jessops ext tube set, Canon 580 flash. Home made ring flash. . Close-lens.  | 
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			#8  
			
			
			
			
			
		 
		
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			I was hoping to buy a dirt cheap macro lens, my world has just collapsed. 
		
		
		
		
		
		
			 
		
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	Christine Iwancz Gallery upload limit is 4 photos per 24hrs Gallery Posting Guidelines here http://ciphotography.freehostia.com/index.php Equipment= Canon 7D, 40D, 400 f5.6, 75-300, 100mm Macro, 18-55, Canon 70-200 f4, Tokina 12-24mm, Kenko pro 300 1.4,1.5 and 2.0x, Jessops ext tube set, Canon 580 flash. Home made ring flash. . Close-lens.  | 
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			#9  
			
			
			
			
			
		 
		
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			Well, as with all un-chippable (is that a word?) Sigma lenses, you may be able to use it at full aperture but, in all tests of this lens it wasn't that good until stopped down to about F8
		 
		
		
		
		
		
		
			
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	Adey http://www.birdforum.net/pp_gallery/...00/ppuser/1805 'Write when there is something you know: and not before: and not too damned much after' Ernest Hemingway  | 
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			#10  
			
			
			
			
			
		 
		
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			Why can't they keep to one set of electronic mounts and have done with it, there are some great lenses out there for easy pickings, its sad.
		 
		
		
		
		
		
		
			
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	Christine Iwancz Gallery upload limit is 4 photos per 24hrs Gallery Posting Guidelines here http://ciphotography.freehostia.com/index.php Equipment= Canon 7D, 40D, 400 f5.6, 75-300, 100mm Macro, 18-55, Canon 70-200 f4, Tokina 12-24mm, Kenko pro 300 1.4,1.5 and 2.0x, Jessops ext tube set, Canon 580 flash. Home made ring flash. . Close-lens.  | 
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