Lenses -> Sigma 18-35mm F1.8 DC HSM Lens - Canon Fit
The Sigma 18-35mm f/1.8 DC HSM Lens is the first wide-angle zoom lens (as of 22nd April 2013) to achieve a maximum aperture of f/1.8 throughout the entire zoom range. This lens incorporates a wide glass moulded aspherical lens with Special Low Dispersion (SLD) glass to compensate for aberrations and curvature at the widest angle.
|Specification / Feature||Value||Scores *||Rank **|
|Number of Lens Groups||9|
|Number of Lens Elements||12|
|Optical Zoom ||1.94||4.43||64|
|Angle of view ||76.5 degrees|
|Max Aperture ||1.8||86.97||10|
|Max Aperture Wide ||1.8||86.97||10|
|Max Aperture Tele ||1.8||70.01||10|
|Focal Length Wide ||18 (or 27 in full frame equiv.)||69.09||26|
|Focal Length Tele ||35 (or 52.5 in full frame equiv.)||44.28||53|
|Min Aperture ||17|
|Magnification Ratio ||0.23x||3.64||24|
|Min Focus Distance ||0.28m||96.14||21|
|Aperture Blades ||9||25.81||7|
|Autofocus Motor ||HSM|
|Sensor Format ||APS-C|
|1st/3rd Party ||3rd party|
|Lens Type ||Standard Zoom|
|Image Stabilisation ||No|
|Video Lens ||No|
|Tilt Shift ||No|
|Weather Resistant ||No|
|Included Accessories||Case, Petal type Lens hood|
|Filter Thread Size (mm) ||72mm|
|Size (DxL) ||0mm|
|Lens Mount ||Canon EF-S|
|UK Price ||£649.00 at Wex Photo Video (affiliate link)||43.22||213|
* - Scores are calculated by comparing numerical specifications with other cameras. The highest ranking camera for a specification acheives a score of 100. The lowest ranking camera is scored as 0 and all the other cameras are scored in between 0 and 100 according to their merit.
** - Rank is calculated by ordering the scores for all cameras in descending order. The best scoring camera for a particular feature / specification will have a rank of 1.
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