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|Weight||20.6 oz (584 g)|
|Dimensions (DxL)||Approx. 3.11 x 4.00" (79 x 101.5 mm)|
|Filter Thread||Front:72 mm|
|Focal Length||18 - 300mm
Comparable 35mm Focal Length: 27 - 450 mm
|Camera Mount Type||Pentax K|
|Aperture||Maximum: f/3.5 - 6.3|
|Diaphragm Blades||7, Rounded|
|Maximum Reproduction Ratio||1:3|
|Minimum Focus Distance||15.3" (38.86 cm)|
|Angle of View||76.5° - 5.4°|
So far the Sigma company has been the last to present a lens with focal length ranging from 16-18 mm to 300 mm. They were slower than Nikon, with their two 18-300 mm models, and Tamron, with the 16-300 mm instrument.
This lens is certainly capable of delivering images with decent sharpness. It is reasonably compact, well built and the price is very reasonable too. Those looking for a lens covering a wide range of focal lengths, whilst allowing them to travel light should certainly give this lens serious...
Good optical performance for a super zoom lens, Well built, Lightweight, Compact, Optical stabiliser, Compatible with Sigma USB dock, Good value
Loose manual focusing action with no full-time manual override
This is a follow up review that I posted here when I 1st got this lens. Now that I've had the chance to thoroughly take this lens through the paces, I'm very happy. My 1st review was inconclusive since I didn't have the Sigma Dock for this lens, nor tested it on a tripod.
Fast / accurate auto-focus, Nice Bokeh, Rugged, Strong Construction
Poor in Low Light
This lens replaced a Sigma 18-250 mm telephoto zoom lens. The new lens is used with a Canon SL1. My first tests with the lens indicated that the image quality is excellent, except at 300 mm, at which image focus is slightly soft.
Very average does not come close to the canon 18-200 lens. I certainly would not recommend it if you want good pictures.Very disappointed with this lens
This is a great lens for the money. I bought this as a travel lens for a Canon 7D Mark II and recently took it on a trip to Hawaii. I found I never had to change lenses the entire time. This lens worked great at macro and even better at zoom.