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Sigma 135-400mm F4.5-5.6 DG announced - Compact ultra-telephoto zoom lens, optimized for digital SLR cameras with new multi layer lens coating and lens design to reduce flare and ghosting. This, along with an aspherical lens and SLD glass elements, provides correction for all types of aberration throughout the entire zoom range.
Sigma Corporation launch 135-400mm f/4.5-5.6 DG compact ultra-telephoto zoom lens that's optimised for digital SLR cameras.
The new multi layer lens coating and lens design reduce flare and ghost, and also creates an optimum color balance and better picture quality through the entire zoom range. This lens uses one aspherical lens and three SLD (Special Low Dispersion) glasses for excellent correction of various chromatic aberrations. It provides excellent image quality for digital and film SLR cameras.
Rear focus system ensures high performance stability and ease of use. Since the front of the lens does not rotate during focusing, a circular polarizing filter can be easily attached and use. A removable tripod collar is included as a standard component.
Focal Length: 135-400mm f/4.5-5.6DG
Minimum Aperture: f/32
Lens Construction:13 Elements in 11 Groups
Angle of View: 18.2- 6.2
Number of Diaphragm Blades :9pcs
Minimum Focusing Distance: 200-220cm (78.7-86.6)
Maximum Magnification: 1:5.3
Filter Size: 77mm
Lens Hood: Bayonet Type Hood
Dimensions: Diameter 88.5mm (3.5) x Length 183.6mm (7.2)
The appearance and specifications are subject to change without notice.