...I should also add. the 300mm 2.8 fortunately has it's own Sigma filter on, as the larger sized B&W glass is incredibly expensive! (a sharp intake of breath is needed for 82mm size ones too!)......but I've feel they are worth it.
I don't know if anyone else has experienced the same, but I've had more than one cheap filter glass work loose in the filter rim before now. which is obviuosly not good
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primarily using Nikon film and digi kit, and some micro 4/3rds gear for experimenting with old lenses
Last edited by Joe; 01-01-09 at 19:55.
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