I often wonder how could a lens with couples of glasses be that heavy, especially the 2.8 zoom, the big white lens.
Would it because of the lens barrel, the metal mount, or the glass itself?
Any volunteer in taking apart their lens to find it out 
mahoro Member 196 posts Joined Aug 2008 Location: Toronto, Centre of the Universe More info | Mar 31, 2009 10:42 | #1 I often wonder how could a lens with couples of glasses be that heavy, especially the 2.8 zoom, the big white lens. XSI , 18-55IS, Sigma 30mm F/1.4, , EF-S 60mm, 80-200F2.8L, Sigma 400mm APO F/5.6, 550EX, Velbon 5300 CF Tripod
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adam8080 Goldmember  2,280 posts Likes: 1 Joined Jul 2007 Location: Huntsville, Alabama More info | Mar 31, 2009 10:45 | #2 |
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