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|Weight||15.2 oz (431 g)|
|Dimensions (DxL)||Approx. 2.8 x 3.4" (71.12 x 86.36 mm)|
|Filter Thread||Front:62 mm|
|Angle of View||76.5° - 8.1°|
|Minimum Focus Distance||15.4" (39.12 cm)|
|Maximum Reproduction Ratio||1:3|
|Focal Length||18 - 200mm
Comparable 35mm Focal Length: 31 - 340 mm
|Diaphragm Blades||7, Rounded|
|Aperture||Maximum: f/3.5 - 6.3
|Camera Mount Type||Sigma SA|
The perfect lens does not exist. There is no lens that covers an extreme range of focal lengths, has an ultra-wide aperture, has incredible build quality but remains small and light, has amazing image quality at all available settings – and is inexpensive.
The 18-200mm F3.5-6.3 DC OS HSM is on the face of it an ideal 'do-it-all' travel lens; the 11x zoom range, image stabilization and useful close focus distance combine to give great operational flexibility.
Huge 11x focal length range, ideal general purpose and travel lens, Relatively low chromatic aberration, Low distortion (for a superzoom), Reasonably effective optical stabilization system, 2.5 - 3 stops benefit
Very inconsistent sharpness through the zoom range - extremely soft at 80mm, Soft corners at all focal lengths, Occasionally indecisive autofocus, Slightly less resistant to flare than its more recent competitors
Is the 18–200mm APS-C zoom a sought-after lens category? We’ve tested four of them in recent years, and almost all the current stabilized models are in their third-generation. (Yes, they’re popular.
Where the non-OS lens is disappointing this stabilised version is a stunner, with excellent resolution
Excellent resolution for this type of lens, OS, price
Too much chromatic aberration
It's hard to overlook the obvious problems with sharpness but what I find most fascinating is how isolated they are. If you were fine living without 28, 35 and 80mm, somehow magically avoiding them when framing images by zoom, I'd say you get above-average performance out of this lens.
The Sigma 18-200mm f/3.5-6.3 DC Macro OS HSM lens is a good choice for those who don’t want the hassle of changing lenses all the time, or perhaps if you’re travelling and attempting to keep your kit bag light.
The launch of the Sigma C 18–200 mm f/3.5–6.3 DC Macro OS HSM was for me a surprise. After introducing a new company policy there seem to be so many lenses to be replaced, so many new constructions to be created; launching an amateur 18-200 mm model less than 2.5 years after its quite successful...
compact dimensions for such a wide focal range,, very good image quality in the frame centre across the whole focal range,, decent image quality on the edge of the frame,, very good correction of the longitudinal chromatic aberration,, sensible correction of lateral chromatic aberration,, proper...
a bit too many reflections near 100 mm focal length,, noticeable vignetting at both ends of focal range,, image quality on the edge of the frame at 18 and 100 mm and at the maximum relative aperture a bit under the decency level.
Overall, this lens is a great choice for those wishing to travel light. It delivers sharp, contrasty images throughout the zoom range and costs around £100 less than comparable alternatives.
Good optical performance for a super zoom lens, Well built, Lightweight, Compact, Optical stabiliser, Compatible with Sigma USB dock, Good value
Sloppy manual focusing action with no full-time manual override, CA levels at 18mm when stopped down
I bought this lens used a couple of years ago and paired it up with a used canon 7d, the total investment for both lens and camera was little less than $600. Overall, this is a very sharp lens. The drive motor is a little noisy but it focuses quite fast even in low light conditions.
This is a nice lens . It's very sharp from 18mm-75mm with very low distortion. From 75 it is a bit soft at the corners but still sharp in center . at about 100mm it's soft again getting sharp by 135mm and at 200mm it's quite good for an inexpensive lens.
Built , overall good sharpness , effective OS
Inconsistence in sharpness , prone to veiling flare , heavy
its a great overall lens
Lightweight Great build fast
very good lens will use this one a lot for what i want
Perfect travel companion with excellent image quality for a tight budget. Lower build quality than their A series and still zoom ring but this is tolerable for its price range
I bought this lens to replace my 18-55mm standard lens. It is so much better than I ever thought it would be. I do not have to change my lenses as often as I used to. I was very brave and only took this lens on holiday with me to London. I managed to take all of my photos with this lens.
I absolutely love it. I wish I would have bought it sooner.
This lens is great. It nearly eliminates the need for a telephoto and all purpose lens. The quality of my images has gone up dramatically. Depth of field and clarity is much improved over the lens that comes with most entry level DSLRs (Nikon 18-55mm)
It is nice not needing to cange out lenses.
Great lens! Replaced a Sigma that quit working and this one is just as good - nice sharp photos and much lighter than the older one I had!