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Sigma 70mm f2.8 EX DG Macro lens for Sony Digital SLR cameras

3.0 out of 5 stars 1 customer review

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  • 1:1 lifesize macro focussing for photographing insects, flowers and other close up subjects
  • Ideal for portrait photography
  • 3 special low dispertion glass elements for crisp sharp images
  • Super Multi-layer coating minimises flare and ghosting and optimises quality for digital photography
  • Non rotating front element

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Product details

  • Product Dimensions: 9.5 x 7.6 x 7.6 cm ; 526 g
  • Boxed-product Weight: 798 g
  • Item model number: 270205
  • Date first available at Amazon.co.uk: 8 Jun. 2007
  • Average Customer Review: 3.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Bestsellers Rank:


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Product Description

Product Description

This large-aperture medium macro lens delivers an angle of view equivalent to 70 mm in 35 mm size and 105 mm in APS-C size. A Special Low Dispersion (SLD) lens and two high refractive index SLD lenses provide excellent correction for chromatic aberration during close-up photography. Sigma's Super Multi Layer Coating minimises the occurrence of flare and ghosting. The floating focus system provides extremely high optical performance from infinity to 1:1 Macro. It's the ideal lens for all close-up work as well as for landscapes and portraits.

Box Contains

  • Sigma 70mm f2.8 EX DG Macro
  • Fitted Padded Case
  • Lens Hood
  • Front and Rear Caps
  • Instruction Manual
  • 1 Year Warranty Card

  • Customer Questions & Answers

    Customer Reviews

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    Top Customer Reviews

    Verified Purchase
    I have been searching for a really high resolution macro lens for a Sony NEX camera and was recommended this lens. I compared it with my Sony alpha macro lens (DT 2.8/30) which is good but not quite as good as I would like.
    The Sigma lens performed equally well as the Sony lens in resolution and the subjects were slightly better lit with the Sigma lens, it having a slightly higher numerical aperture. However when I performed the spider web test (photographing the globules of glue on the spiral thread of a spider web)the DT macro performed slightly better, showing how the micro-globules of spider glue alternate in size and which the Sigma lens had slightly more problems resolving with good clarity.
    Given that the Sigma lens was twice the price of the Sony DT lens, it was an easy choice.
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    Most Helpful Customer Reviews on Amazon.com (beta)

    Amazon.com: HASH(0x99bdb90c) out of 5 stars 60 reviews
    39 of 41 people found the following review helpful
    HASH(0x997d136c) out of 5 stars Great Lens at a great price 17 Jan. 2008
    By Gary Gray - Published on Amazon.com
    Verified Purchase
    I've never been a big fan of Sigma Zoom lenses, but their prime lenses are top notch. I've been using the Sigma 105mm and 50mm macro primes on my Canon full frame bodies so I decided to pick this lens up for my Nikon D300 to give me a 105mm equiv lens for that system.

    In a nutshell, this lens is fantastic. It is very sharp corner-to-corner on my Nikon D300. It is sharp wide open at f/2.8 and stays sharp up until about f/11, where it starts to soften just a bit. Lens construction is very sturdy and typical of the top-end sigma primes. Autofocus speed is adequate but not as fast as the best Nikon lenses. It also makes a little more noise when focusing. Manual focusing is excellent with a very smooth and precise feel. I really like this lens and it may be one of the sharpest prime lenses on the market. I highly recommend it.
    20 of 20 people found the following review helpful
    HASH(0x997d1594) out of 5 stars Recommended buy 21 Mar. 2007
    By Seboto - Published on Amazon.com
    This lens performs better than I expected. I bought this lens for macro and with the 1:1 ratio, it gives great pictures. With its f/2.8 at 70mm (which is equivalent to a 105mm in digital) it does work brilliantly for portraits (I thought it could be slightly slow but it is not at all!).

    At this price, it is a great lens to have in your bag.
    16 of 16 people found the following review helpful
    HASH(0x997d1678) out of 5 stars Amazing hunk of glass and metal 27 Feb. 2008
    By William C. Daniel - Published on Amazon.com
    After researching macro lenses and considering my uses, I decided that I would get more use from a 70mm macro than other focal lengths such as 50 or 105. I see this lens as primarily a 70mm with macro capability for my purposes. And it is a great lens. Very sharp for all distances. Very nice color, contrast, etc. Solid construction, smooth focusing both manual and auto. This is a hunk of gear that is excellent in almost every way.

    And HUNK it is. Heavy, big. Be prepared for this. Use a can of peas to get the idea. This isn't a complaint; on my Pentax K10D, it balances well and is a pleasure to hold. But it will start weighing you down after time around the neck.

    My negative comments: The lens hood should be sized tighter so that it stays in place when reversed and you place it in a bag. The Sigma 'EX' crinkle finish is fine but not my favorite. The supplied case is bigger than it needs to be and yet doesn't provide much padding.

    My most used lens. I didn't know that 70mm on an APS-C sensor (105mm equivalence for 35mm) would be such a nice focal length but it has become my new 'standard' lens.
    64 of 76 people found the following review helpful
    HASH(0x997d17ec) out of 5 stars It's good, but it's *not* a constant f2.8 lens (edit: most Macro aren't!) 7 Jun. 2009
    By Peter Chenoweth - Published on Amazon.com
    Verified Purchase
    Bought this to pair with my Nikon D90. It's a sharp lens that's very pleasant to use. As the other reviewer said, it's a 'nice' length on an APS-C sized sensor, ~105mm. Sharpness is on par with the venerable Nikkor 50mm f1.8, IMHO. So that's great. Not unexpected though, as this is supposedly Sigma's sharpest prime lens and it's a Macro lens, which by definition has to be tack sharp. Build quality seems very good too. All in all, it's a nice lens at a good price.

    Focus is slow compared to AF-S lenses, but only because there's such a huge focal range. This lens does seem hunt a lot on my D90, even in bright light. It'll often have to run the focus across the entire range to get a lock, and that's a pain. However, flipping the focus limiter switch solves it and makes it focus just as fast as my other non AF-S lenses. So that's ok. And for macro shots I'd usually be focusing manually anyway, so it's not a big deal. But it's just not quite as quick as my AF-S lenses.

    I also don't like the fact that the lens cap won't snap on when the sunshade is screwed on. Makes it a bit of a pain when you're out and about and want to cap the lens, as you've got to unscrew the shade (and put it somewhere - it doesn't reverse) to put the cap on. A pain compared to Nikkor shades that allow the cap while they're installed, even while reversed.

    But there is one major negative that none of the other reviews have touched upon. And it's nearly a deal-breaker for me. This is NOT a true f2.8 fixed lens. It is from 10ft to infinity, but below that the max aperture grows as the subject distance decreases. At 1:1 magnification, 3-4 inches away, maximum aperture is f4.8. This is not really what I had in mind when I bought this lens, and I may return it because it's not going to work as well as I had hoped. I bought an f2.8 lens expecting a constant aperture. I was wrong. I actually think it's a bit of deceptive advertising on the part of Sigma. Since it's primary purpose is to be a Macro lens, they should be clear that it's an f2.8 lens only at decidedly non-macro focal ranges. This is really an f4.8 Macro lens, which isn't so great. So just be advised before you purchase this lens.


    Apparently, a variable aperture at decreasing macro distances is common to many macro lenses, including Nikon's own 60mm f2.8 and 105mm f2.8 macro lenses. So I can't pick on Sigma too much for this. I'm new to the world of dedicated macro lenses, and I didn't know this 'feature' was just the way these lenses worked. Taking this into consideration, the 70mm Sigma is perhaps more deserving of four (4) stars, rather than three. I'd edit my star rating but I can't.

    This also makes me reevaluate my comments about potentially returning this Sigma. I was strongly considering returning the Sigma and picking up the 60mm f2.8 Nikkor Macro instead. I had assumed that the Nikkors would be truly constant f2.8 lenses. I would have been wrong! Since the Nikkor's do this variable aperture thing too, I'm thinking I'll just keep the Sigma - as other than this aperture thing, it's a great lens. Lesson learned! :-)
    13 of 13 people found the following review helpful
    HASH(0x997d1d68) out of 5 stars Tack-sharp 12 April 2008
    By P. Henry - Published on Amazon.com
    Verified Purchase
    While of fairly substantial heft, the optics on this lens, as noted in many reviews, are terrifically sharp. If you judiciously use the focus limiter, it's perfectly suitable (actually even excellent) for portraiture. The fast aperture also helps keep ISO (and therefore noise) low, too.

    The detail in macro-closeups is truly remarkable!
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