This high zoom ratio lens is exclusively designed for digital SLR cameras and capable of covering a wide range of focal lengths from wide-angle to telephoto. Two Special Low Dispersion (SLD) glass elements and two hybrid aspherical lenses offer the utmost correction for all types of aberrations, and enables this extended range super zoom lens to be housed in a compact and lightweight construction of 70mm (2.8») diameter, and 78.1mm (3.1») in length, and weighing just 405g/14.3oz. The new lens coating reduces flare and ghost, which is a common problem of digital cameras and also creates an optimum color balance. This lens has a minimum focusing distance of 45cm (17.7») at all focal lengths and has maximum magnification of 1:4.4.
The lens design incorporates an inner focusing system, which prevents the front of the lens from rotating, making it particularly suitable for using circular polarizing filters and petal shaped lens hoods. The overall length of the lens does not change during focusing, ensuring convenient handling and ease of use. A zoom lock switch eliminates ‘zoom creep’ during transportation, a convenient addition when traveling
Sigma’s own unique technology OS (Optical Stabilizer) function
The 18-200mm f3.5-5.6 OS is equipped with Sigma’s own unique OS (Optical Stabilizer) technology. This system uses two sensors inside the lens to detect vertical and horizontal movement of the camera by moving an optical image stabilizing lens group, to effectively compensate for camera shake. It also automatically detects panning movement of the camera and compensate for camera shake when shooting moving subjects such as motor sports.
- Exclusively designed for use with digital SLR cameras featuring APS-C size image sensor.
- High zoom ratio 11:1.
- Compact, Lightweight and Durable construction with diameter of 70mm (2.8"), length of 78.1mm (3.1") and weight of 405g./14.3oz.
- Lens has Metal Mount.
- Minimum focusing distance of 45cm (17.7") at all focal lengths.
15 Elements in 13 Groups
|Angle of View||69.3 - 7.1 degrees (Sigma SD format)|
|Number of Diaphragm Blades||7 Blades|
|Minimum Focusing Distance||45cm / 17.7 in.|
|Filter Size||Diameter 72mm|
|Lens Hood||Petal Hood|
|Dimensions||Diameter 70mm X Length 78.1mm
2.8 in. x 3.1 in.
|Weight||405g / 14.4 oz.|
|Corresponding AF Mounts||
Questions & Answers
Sigma AF 18-200mm f3.5-6.3 DC OS Zoom Lens for Canon
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