Sigma 28-300/3.5-6.3 lens is a versatile, all-purpose zoom captures a wide ranging series of subjects using its wide angle, ultra-telephoto and close-up capabilities.
Sigma 28-300/3.5-6.3 lens incorporates 2pcs Special Low Dispersion SLD glass elements and 4pcs Aspherical Lenses, to produce a high level of optical performance.
Aspherical lenses provide excellent correction for all types of aberration while making a very compact construction possible.
This lens has a minimum focusing distance of 90cm at all focal lengths.
Equipped with a mechanism for close photography at 300mm telephoto, with a reproduction ratio of 1:3.
It is equipped with a "zoom lock" to prevent the zoom setting from being changed inadvertently.
It incorporates an internal focusing system, which eliminates front lens rotation, allowing the use of polarizing filters and Petal type hoods.
The lens materials used in this new lens are lead and arsenic free ecological glass.
Specifications:
Focal length: 28-300mm.
Maximum aperture: F3.5-6.3.
Lens construction: 15 elements in 13 groups.
Focusing system: Internal Focusing.
Angle of view: 75.4 - 8.2 degrees.
Number of diaphragm blades: 8.
Minimum aperture: F22.
Minimum focusing distance: 19.7 in. (50cm).
Maximum magnification: 1:3.
Filter size: 62mm.
External finish: Zen finish.
Lens hood: Petal shape hood
Dimensions: 2.9" x 3.3".
Weight: 16.2 oz. (460g).
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