its litteraly a filter that screws at the top of the lense. the wide angle filter screws using the macro filter (otherwise you cannot focus at all) and the macro screws to the front of the lense.. its just liek a magnifying glass i guess. i got them of ebay. really decent quality 2. was gonna get lenses but they were like 400 ish and the wide angle lesne would have been a waste of money for me. i want a 18-200 so i dont have to change them all the time as i already had dust blobs on the img sensor..
Last edited by 70NYD; 30-10-2010 at 07:50 PM.
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