Sigma 120-400mm f4.5-5.6 APO DG OS HSM for Canon Digital and Film SLR Cameras
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- Designed for use with full frame digital SLR cameras.
- Offers Sigma’s OS System (Optical Stabilization) allowing handheld photography even in low-light situations
- HSM (Hyper-Sonic Motor) ensures a quiet and high-speed auto focus
- Minimum focusing distance of 59 inches with a maximum magnification of 1 to 4.2
- Compact weighing only 3.6 pounds & a mere 8 inches in length
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Top Customer Reviews
The Lens arrives in a well padded lens case. Also included is a lens hood and caps. As you can see from the photos of the lens there is a very useful tripod mount included; this also makes an excellent hand-hold for carrying the lens. Two straps are also provided - one for the lens, and one for the case (the case one is a little short, but quite usable).
Make no mistake - this is a big lens! With the hood attached and mounted on a 400D camera it extends to 41 cm (16 inch) but it is also very well designed. On the left hand side are three buttons: one is a lock to prevent 'lens creep' when the lens is carried pointing down, one is a choice for auto or manual focus, and the third selects the Optical Stabiliser (OS) allowing hand held photography at 400mm.
Neither is it light! When mounted on a camera (inc. battery etc.) it weighs in at 2331 grammes (5.14 lbs) but when used with the second strap it feels quite well balanced on the neck. (These are my own weights and measures and are as accurate as the average tape/scale in a home!)
How does it take? I have posted two photos with this review. Both are taken hand held at 400mm and are unprocessed. Auto focus is quick and quiet and the OS is very effective.
Just a note on the OS. There are two options for this - the 'normal' (option 1) detects camera shake and movement.Read more ›
Well i can safely say this lens is superb, the clarity is fantastic and zoom perfect if a little slow. For a lens of this length you really can't go wrong for the money. If I take photography further then I may upgrade and find a whole new world with much more expensive lens's but for not this is absolutely spot on.
I shall try and upload some images that I took at the Biggin Hill Airshow to show you just how good this lens is. I for one would defo buy this lens again. Top job Sigma :o)
The lens compares well with 3 other contenders for this range:
Canon 100-400 L
All of these lens are pin sharp, this one and the Canon 100-400L are arguably the sharpest, the Canon though is twice the price of the Sigma, and does not come with a hood nor tripod collar.
It scores over the 150-500 and 50-500 by being slightly "faster" - it is F4 not F5 at the widest and F5.6 not F6.3 when fully zoomed.
All of these lenses are heavy when compared to typical 70-300mm lenses (e.g. the Tamron, which I also own).
The Sigma 120-400 benefits from Optical Stabilisation and Hyper-sonic motor. The latter is particularly good, as the focussing ring can be used to override the auto focus without having to turn it on and off. The manual focus ring does not turn when the lens is auto-focussing. The optical stabilisation works well, it cuts in when you press the shutter button halfway down and you can see the difference through the viewfinder. OS consistently provides 3-4 stop advantage.
The biggest advantage of this lens is the clarity of the pictures. Pin sharp at F7.1 and F8 (I can detect no difference between them) - sharp as a prime lens, which is astounding at the price.
The biggest disadvantage is the weight and size. The Canon is slightly lighter, but only a small amount less (240g). The other two are heavier (the 50-500 significantly heavy).
I have not had good results when using a teleconverter, I think my cheap one is not compatible, so I will think about the Sigma 1.4x. Sigma state that auto focus will not work if you add a teleconverter to this lens, but it is compatible and all other functions will work.Read more ›
I bought this baby in November 2009 and from delivery there was no other lens for me! Today, 4th Jan 2014 after some 20,000 action shots I give you The Good Bits: Although not a Canon L series lens, at better than half the price, it provides at least 95% of the performance. AF great; O.S. great; Sharpness great: Down side. Haven't found one yet and use it mostly in the 300 to 400mm focal length ranges. I find that f9 is its sweetest spot. I still love it to bits!
Most Recent Customer Reviews
I purchased this lens about a year ago and given the price (compared to similar lenses) it delivers superb quality images. Read morePublished on 6 May 2014 by Mr T.
I have tested the lens on my Canon eos 550d camera, being a cropped sensor, it is the equivalent of roughly 180-600 mm, I have had pin sharp images, hand held at the longest... Read morePublished on 5 May 2014 by Richard M.
I have had this lens since march 2009 and i can it was one of the best buys i have made.The quality of the lens construction is first rate and the results of the pictures are first... Read morePublished on 11 Mar. 2014 by Ivan
Delivered on time and is exactly what I wanted.
I have said all I want to say on this but have to write more because the system demands it!!!
I'm not going to give a technical view, just my experience.
I bought it for a trip to Africa to take photos of the animals I encountered, as I thought the 300mm zoom I... Read more
Great lens for the price, Bit heavy, best on a tripod,however I have managed to get some good shots hand held.
Would recommend it.