Sigma 105mm f/2.8 EX DG Medium Telephoto Macro Lens for Canon SLR Cameras
- Compact and lightweight medium telephoto macro lens.
- Optimized image quality for Digital SLR cameras.
- Maximum magnification of 1:1
- Focus Limiter Switch that limits the AF range so improving the speed and accuracy of auto focus
- Dual Focus (DF) system that is designed to make the lens easy to hold during auto focusing
A medium telephoto macro lens which is designed for traditional and digital SLR cameras, its lens power layout produces an excellent optical performance. The lens coating cuts down ghost. The DG lens is designed to reduce the influence of harmful light caused by reflections from the digital image sensor. Its outstanding optical performance provides the ultimate correction against lateral chromatic aberration and distortion. This lens boasts compact dimensions of 2.9″ (maximum diameter) and 3.7″ (overall length). It has a filter size of 58mm and, at just 15.8 OZ, is also extremely lightweight. The minimum focusing distance of 31.2cm (12.2in) is capable of macro photography with a maximum magnification of 1:1. It is possible to enjoy photography from life-size close-up to infinity. . This lens is equipped with a “Focus Limiter Switch” that limits the AF range so improving the speed and accuracy of auto focus. It also incorporates a Dual Focus (DF) system that is designed to make the len
List Price: $ 640.00
Price: $ 474.95
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I am absolutely loving this lens!,
Originally I didn’t want to stray from Nikon products, but Sigma definitely has my attention. This is an excellent lens in both build quality and function. It works flawlessly on my Nikon D40, metering perfectly and in addition, even though it’s manual focus on my camera, it is spot on with the auto-focus indicator light (lower left corner of view finder). I highly recommend this lens to anyone who is looking to get into macro! Don’t be scared if you’re a Nikon D40 user, I was at first, and now I’m hooked on this lens! Do yourself a favor and buy one!
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|Worth every penny,
I’ve been using this lens for about 3 months now on a Canon EOS-350D and the Canon 5D. It has supurb optics. At f2.8, it is sharp. From f3.0 it takes off and stays sharp up to about f14. The focus mechanism is a little different from most other lenses, but actually I’ve grown to like it. With a push-pull lock at the end of the lens for manual-auto focus, you can put this thing in manual mode two different ways. If you’re focusing in, pull the mechanism and you don’t have to worry about the camera trying to change focus and you don’t have to take your hand off the lens to find the manual button. Really cool actually, just a little different at first. It is light enough that weight has never been an issue, though it does extend out pretty far when focusing. Focus speed is not as fast and there is a little more motor noise, but this too is never an issue as all my close work is manual focus. As a telephoto, it works very well, but the autofocus speed comes into play here. It will hunt in some conditions as a telephoto, but it is pretty accurate.
Save some money and take great SHARP shots with this lens. Highly recommended!
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|Quirky, but worth it,
When I first started looking for a mid-level macro lens, a few weeks ago, I was naturally drawn first to the Canon 60mm, as I have already have 2 Canon bodies.
But then I started looking around, reading reviews (mostly on Fred Miranda’s site), and comparing prices. The more research I did, the more appealing this lens became. And finally, I decided to go with it.
Here’s why:
– The price is similar to the Canon 60mm.
– I already own a Sigma EX-series lens (17-35mm), and really like it. I like the matte finish, and the glass is excellent.
– For some reason I cannot fathom, Canon doesn’t include lens hoods with any of the mid-range lenses I looked at. Sigma does.
– The greater focal length means I can stay farther from the subject – minimum focus distance is about 30cm (12in). This is almost always a benefit.
This lens isn’t perfect, however, and here’s a few caveats you may want to consider before making a purchase:
– In low light (ie, most macro photography), this lens likes to hunt. Which can be a slow process considering its length when fully extended. Personally, I don’t mind manual focus all that much, so this doesn’t bother me.
– This is a not an HSM (Sigma’s version of USM) lens. It is motor-driven. This might bother you, but I barely even notice it.
– Switching to/from manual/autofocus mode is a 2 step process. Beside the switch on the side of the barrel, the focus ring requires a push-pull motion which is sometimes a bit tricky. With a little practice, this becomes less and less of an issue – and if you leave it on manual most of the time (as I do), you seldom have to worry about it.
– The lens hood is a screw-in, not a twist- or clip-on model. This is, however, offset by the rather deep recession of the glass in the lens tube. (If you want to use the lens hood and leave it on, a 77mm lens cap will fit it.)
Despite these (in my opinion, very minor) problems, I’m very happy with this lens, and would definitely recommend to anyone looking for a mid-level macro lens
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