M mikey7 TPF Noob! Joined Jul 3, 2006 Messages 5 Reaction score 0 Jul 27, 2006 #1 I came across a used USM with metal mount. How good is this compare to the new II USM models? Do lenses have life ratings? There are moving parts. Thanks!
I came across a used USM with metal mount. How good is this compare to the new II USM models? Do lenses have life ratings? There are moving parts. Thanks!
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![[No title]](/data/xfmg/thumbnail/32/32929-22e23acc63d6ecb25e5ee941be87121f.jpg?1619735758)
