Canon RF 100-500mm F4.5-7.1L IS USM Lens. Canon RF 100-500mm F4.5-7.1L IS USM. Enjoy Stunning Performance up to 500mm. Dust and water seals plus a heat shield coating ensure its durability. Dual Nano USM motors enable fast, smooth and near silent AF while a floating lens group also improves versatility with a close minimum focus distance of 0.9m.
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