Canon EF 400mm f/5.6L USM Lens
Item: 17812
Availability: In Stock
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Condition: New
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This high-performance lens was designed with portability and handling ease in mind. One Super UD-glass element, whose characteristics are similar to fluorite, and one UD-glass element result in sharp pictures from corner-to-corner.
The EF lens is compatible with both full-frame and cropped-frame Canon SLR cameras, though on the latter the lens will have an effective field of view of approximately 640mm.
Canon's L-class lenses typically offer excellent resistance to chromatic aberration, and the 400mm ƒ/5.6L is no exception. On both the sub-frame 20D and full-frame 5D, CA performance is practically identical: at no time do we detect more than 3/100ths of a percent of frame height of chromatic aberration. If you are really concerned about CA, performance is better with the lens wide open at ƒ/5.6 and gets very slightly poorer as you stop down.
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Name Canon EF 400mm f/5.6L USM Image Circle 35mm Type Telephoto Prime Focal Length 400mm APS Equivalent 640mm Max Aperture f/5.6 Min Aperture f/32 Diaphragm Blades 8 Lens Construction 7 elements in 6 groups, including 1 UD and 1 S-UD element Diagonal Angle of View(Based on image circle) 6.2 degrees Focus Details Inner focusing; full-time manual focus and USM Front Element Rotation No Zoom System n/a Closest Focus 3.5m / 11.5 ft. Magnification Ratio 0.12x / 1:8.3 Filter Size 77mm -
• E-77U 77mm Snap-On Lens Cap
• Lens Dust Cap E (Rear)
• Tripod Mount Ring A-2 for 70-200mm f/4L
• Brand New Factory Fresh Import Model
