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Get information and user reviews for this lens from Amazon: Sigma 105mm f/2.8 EX DG Medium Telephoto Macro Lens for Canon SLR Cameras
The Sigma AF 105mm f/2.8 EX macro DG is an excellent lens without any significant optical flaws. The resolution figures are excellent and neither distortions nor CAs nor vignetting is something to worry about. Similar to the Tamron or Tokina counterpart it is basically as good as the much higher priced Micro-Nikkor (the classic one, not the VR). The build quality feels very good although the implementation of the Dual-Focus mechanism isn’t really perfect. Regarding all the excellent lens alternatives in this segment it is quite difficult to select a favorite … but the good news is that there isn’t really a wrong choice. READ FULL REVIEW
Other Sigma 105mm f/2.8 EX Macro DG AF Reviews
Photo Zone (Canon Mount Tested)
The Sigma AF 105mm f/2.8 EX macro DG is an excellent lens without any significant flaw. It’s optically as good as the Canon EF 100mm f/2.8 USM macro. The lens has a very good build quality though not quite as nice as the Canon due to its focus extension system and the conventional AF drive. However, the price tag is also lower so if you’re on a budget the lens is certainly worth a deep thought (as is the Tamron AF 90mm f/2.8 SP). READ FULL REVIEW
The Sigma 105mm f/2.8 EX DG Macro Lens is – as you can discern from the name – Sigma’s entry in the fixed short-telephoto focal length macro lens category. And in this case, Sigma means a true 1:1, close-up macro lens. The Sigma 105mm f/2.8 EX DG Macro Lens’ AF system is definitely not one of its strengths – AF is slow, noisy and delivered a well-above-average number of OOF (Out of Focus) shots. What may be the Sigma 105mm f/2.8 EX DG Macro Lens’ biggest strength is image sharpness. This lens is sharp wide open and from corner to corner even on a full-frame body. Unfortunately, veiling flare is significant. The result of having a bright light(s) in/near the frame is a washed-out/low contrast image. All said, the Sigma 105mm f/2.8 EX DG Macro Lens is a really sharp and well-built lens for the price – a good value. READ FULL REVIEW
A (roughly) 100mm macro lens is a great choice for macro photography: The macro focusing capability lets you get up close and personal with your subjects, but the 100mm focal length gives you enough working distance to avoid getting too personal. This also seems to be a bit of a sweet spot in terms of lens makers’ ability to craft high-quality optics. The Sigma 105mm f/2.8 macro lens follows true to form for its class, delivering exceptional sharpness, low distortion and low chromatic aberration. On cameras with APS-C sized sensors, light falloff or vignetting is very low as well, with a maximum of about 0.1 stop of light loss wide open. It holds its own very well against the similar offerings from Canon and Nikon. Bottom line, this is just an excellent macro lens, at a very good price, competing strongly against the major manufacturer’s own offerings at a street price $100 or more lower. READ FULL REVIEW