• 28mm f/1.8
  • Macro Large Aperture Wide Angle Lens

Product Description
This lens has the macro focusing capacity with quick F1.8 limit aperture, that is preferred for Digital SLR cameras.This lens is able of Macro photography, with smallest sharpened stretch of 20cm (7.8 inch) (reproduction comparative measure 1: 2.9) as well as point of perspective of perspective is 75.4. You can take design not usually the theme though additionally the surrounding scenery.The lens has an modernized visual construction, in sequence to acquire competent marginal liughtness with open aperture. Also, the iris diaphragm has 9 diaphragm blades to acquire pleasing out of concentration images in the forehead as well as background.The lens incorporates the Dual-Focus (DF) mechanism. It is easy to reason the lens, given the focusing ring does not stagger during auto-focus, nonetheless it provides competent focusing hanging ornament of the focusing ring during primer focusing of the lens. Also, this additionally allows the make make use of of of the Petal-type Hood as well as the easy make make use of of of the polarizing filter.It incorporates the floating concentration complement as well as uses dual aspherical lens elements for minimizing distortion, misconception as well as astigmatism.

Sigma 28mm f/1.8 EX DG Aspherical Macro Large Aperture Wide Angle Lens for Nikon SLR Cameras

5 Reviews

  1. R. Marotz says:

    Let me start by saying I’m not a hardcore fan of any particular brand. I like to gauge lenses by their individual merits, rather than discussing them as a brand.

    The Sigma 28mm f/1.8 EX is an excellent lens from an optical standpoint. On digital and film SLRs from Nikon, I was always quite impressed with the optical quality. Even wide-open at f/1.8, it is roughly as good as the Nikkor 50mm f/1.8, which is somewhat low in contrast, but still resolves quite a bit of detail on the focal plane. Stopping down a stop or two, like with most lenses, really brings out the contrast and sharpness, and this lens delivered quite wonderfully, matching the famous 28/2.8 AIS Nikkor for sharpness both up-close and at infinity. Further, this lens allows closer focusing than the Nikkor, and possesses less apparent geometric distortion. As much as I love the AIS28, the Sigma is quite brilliant too.

    While very good at infinity, the lens shines for moderate closeups of objects like flowers. Although it says “macro” in the name, it only approaches 1:2.9 magnification, and the distance from the front element is quite small, so live insect photography will likely not be its forte. At this range, the lens also has a much smoother out-of-focus rendering wide-open than much of its competition (such as the 28/2 AIS Nikkor). If you like smooth boke (not everyone does, but many do), this can be a good lens for that effect.

    The biggest downsides are the size and the autofocus. Although it is high quality, the lens was simply too big for my taste. Compared to my 28/2.8 AIS, the Sigma is simply massive. In fact, it is about the same size as a 28/1.4 Nikkor, and uses larger (77mm) filters! This is a concern for people who like using filters like polarizers, which get much more expensive at large sizes. The second major issue is that the autofocus mechanism has proven unreliable, particularly on Canon versions of the lens. My Nikon experienced some focus inconsistency at midrange distances (better consistency up close). As I tend to manually focus, this was not too much of a problem, but for those who do depend on it heavily…this lens might cause frustration. Bear in mind, this is not the case for EVERY lens of this make; it is likely an issue with sample variation which has been pointed out for some time. Some people have great luck, some are not so lucky.

    As I prefer to manually focus and personally prefer smaller lenses, I opted instead for my AIS Nikkor, which has roughly equal optical quality in a much smaller package with inexpensive 52mm filters. However, I do miss my 28/1.8 Sigma and, were it a smaller, manual focus lens, I would likely be using it today.

    If you can get over the gargantuan size and if you can circumnavigate the sample-variation-related AF quirks, this lens is quite beautiful. I must give the designers kudos, even if it’s not the perfect lens for me personally.
    Rating: 4 / 5

  2. N. Savoiu says:

    Since I’ve purchased this lens it has hardly left my K110D body. A bit soft wide open but if low light cannot be worked around it’s better than the alternatives (flash, motion blurr). Beautiful colors and especially good transition from in-focus to out-of-focus areas. I bit bulky but I knew this a priori and I quite like it now compared to lighter lenses. Seems well built and focusing is very smooth.
    Rating: 5 / 5

  3. S. Perez says:

    This lens is awesome.
    I wanted a wideangle for shooting indoor low light. This filled that void and then some. I wasnt satisfied with the idea of getting a f/2.8 wideangle lens for shooting indoors. I wanted something faster, then I stumbled up on this lens. I could not find many reviews, but I figured Sigma was a good brand, and anyways the lens turned out to be fantastic.
    I use it primary for indoor shooting and for situations where I need a wider angle of view.
    I would highly recommend this lens to anyone who just needs something wider than a 50mm on a DX sensor.
    I am using this on a Nikon D90 and have been overwhelmingly satisfied with this product.

    Rating: 5 / 5

  4. Wendy L. Swalls says:

    I used this lens on a Sony Alpha 350, it does exactly what I want it to do, and it’s lightweight. Great Lens!
    Rating: 5 / 5

  5. Photological says:

    -As sharp as my Tamron 28-75/2.8, which is to say “Pretty darn sharp!”
    -28mm on a 1.6 crop camera (like my Canon XT) is 44.8mm – almost a 50mm normal lens! My new walk around lens.
    -I love the warmth Sigma lens impart into their photos.
    -Fast, fast, fast! F1.8 gives such beautiful out of focus areas and low light shooting.
    -The price

    -Not as sharp as my Canon 50/f1.8 which could probably cut glass.
    -The focusing tends to slap around, especially if it’s hunting, which it is wont to do if the battery is low or the lighting is less than ideal.
    -The lens cover falls off all the stinkin’ time. I bought a replacement for ten bucks and never looked back.
    -I didn’t think the two step manual focusing would bother me, but it does.

    Rating: 3 / 5

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