Found this while looking for a new lens for my canon. Its no good for me as I already have the Tamron version but i thought this was a great price as the next lowest (camerapricebuster.co.uk) is £251.98.
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. 28-300mm F3.5-6.3 DG MACRO packs a lot of performance in a compact package with ultra compact dimensions that make this lens the ultimate traveling companion.
Optimised for digital photography
The new multi-layer lens coating and lens design reduce flare and ghosting, a common problem with digital cameras and also creates an optimum colour balance through the entire zoom range.
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 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
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 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.
* 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: 490g