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Phoenix_splx
Guest
Hello (New by the way)
I have a 20D, Canon 75/300mm USM & Sigma Macro II APO 70/300 and I want to Extent the zoom to 600mm if poss on one of these lens's. What do I need to buy for this ?
Thanks in advanced
I have a 20D, Canon 75/300mm USM & Sigma Macro II APO 70/300 and I want to Extent the zoom to 600mm if poss on one of these lens's. What do I need to buy for this ?
Thanks in advanced