Canon Knowledge Base - EF100mm f/2.8L Macro IS USM: Here is a list of the parts and controls - Nomenclature.
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Canon Knowledge Base - EF75-300mm f/4-5.6 III USM : Here is a list of the Parts and controls - nomenclature
Canon Knowledge Base - EF 70-200mm f/2.8L IS USM : Here is a list of the parts and controls - nomenclature
Canon Knowledge Base - EF 17-40mm f/4L USM : Here is a list of the Parts and controls - nomenclature
Canon EF 70-200mm F/4.0 L USM Lens Fixed Barrel Parts YA2-4189 NON-IS | eBay
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Canon Knowledge Base - EF 50mm f/1.8: Here is a list of parts and controls - nomenclature.
CANON EF 28-70mm F/2.8 2.8 L USM Lens parts, SINGLE PART SALE, USM MOTOR | eBay
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Lens Bayonets Ring Professional Camera Accessories Repair Parts Digital Camera Lens Mount Ring Replacement for Canon EF-S18-55mm 18-55 ISII-Grey | M.catch.com.au
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Parts of the Lens
NON-IS Manual Focusing Ring Parts, Canon EF 70-200mm F/2.8 L USM Lens YA-2038 | eBay
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Canon Knowledge Base - EF 28-300mm f/3.5-5.6L IS USM: Here is a list of the parts and controls - Nomenclature.
