Thread: Canon 300mm
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Old 23-09-2019, 09:37 AM
JA
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JA is offline 		 
Join Date: Oct 2016
Location: Melbourne, Australia
Posts: 2,975
Hi Peter,

If you switch OFF the IS and the auto-focus, then you have a lens which will behave like a 300mm f/4 manual lens.

Best
JA
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