Sigma 28-300mm DG Macro Sony - Description:
The Sigma 28-300mm DG is a compact High Performance Zoom Lens with a 10.7:1 High Zoom Ratio, 28-300mm F3.5-6.3 DG MACRO lens covers all the focal lengths from 28mm wide angle to 300mm telephoto with 10.7:1 high zoom ratio as well as macro capability. The 28-300mm AF F3.5-6.3 DG MACRO packs a lot of performance in a compact package with ultra compact size that makes this lens the ultimate traveling companion.

The Sigma 28-300 lens has been optimised for digital photography
The new multi layer 28-300mm lens coating and lens design reduce flare and ghosting, a common problem with digital cameras and also Thia Sigma zoom lens creates an optimum color balance through the entire zoom range.

In the Sigma 28-300mm zoom lens the 2pcs Special Low Dispersion (SLD) glass elements and 4pcs Aspherical Lenses, produce a high level of optical performance
The 28-300mm F3.5-6.3 DG MACRO lens features 2 Special Low Dispersion (SLD) glass elements and 4 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.

Macro photography with the Sigma 28-300m and with a 1:3 maximum magnification ratio
The 28-300mm F3.5-6.3 DG MACRO lens has a minimum focusing distance of 50cm at all focal lengths and is equipped with a macro mechanism for close-up photography at 300mm telephoto. This allows for a reproduction ratio of 1:3.

Inner Focus System of Sigma 28-300 zoom lens
This design allows for stability and compactness as changes in focus are made in an internal lens grouping. This also gives the advantage of a non rotating front lens assembly which is of great benefit when using polarizing filters and a petal-type hood.

The (Zoom Lock) device in the Sigma 28-300mm zoom lens prevents the zoom setting from being changed inadvertently
28-300mm F3.5-6.3 DG MACRO lens is equipped with a zoom lock to prevent the lens from creeping due to its own weight. This also offers protection whilst the lens is being carried.

The Sigma 28-300mm DG Main Features

Sigma 28-300mm Zoom Lens Mount Fitting : All Sony and Minolta AF Digital and Film SLRs
Lens Construction : 15 Elements in 13 Groups
Angle of View : 75.4 - 8.2 degrees
Number of Diaphragm Blades : 8 Blades
Minimum Aperture : F22
Minimum Focusing Distance : 50cm
Maximum Magnification : 1:3
Filter Size : 62mm
Dimensions Diameter : 74mm X Length 86mm
Weight without packages : 490g