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Canon EF 400mm f/5.6L USM Super Telephoto Lens for Canon SLR Cameras
Product Description :
Lens construction 7 elements in 6 groups
Fluorite and Ultra-low Dispersion-glass internal focusing full-time manual focus
Closest Focusing Distance 35m 115 ft
Focal Length Maximum Aperture 400mm 156
Filter size 77mm
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