This is a zoom lens manufactured by Sigma and the model was launched 2006.
The lens belongs to the category
normal zoom lenses, a normal lens where you have the possibility to zoom in and out.
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The lens has macro-properties but is unable to reproduce things in their real size (otherwise called '1:1'). You should therefor consider taking the term 'macro' with a pinch of salt and if the macro-possibilities you are looking for you should perhaps look at other options.
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| See all lenses released by Sigma |
| See all lenses that was released 2006 |
| Read more about normal lenses |
| Read more about macro lenses |
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| Compability, auto focus and focal length |
| This lens is designed and meant for Nikon cameras with a smaller sensor (often referred to as 'APS-C') which means that the lens does not fit all camera models. By clicking on the link below you can make sure that the lens works with your camera model and you should do an additional check with your local dealer as well, before you buy the lens just to be sure.
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The ability to use auto focus is available for all cameras.
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| The lens has a focal length of 18-50 mm.
Since the lens is designed to be used on a camera with smaller sensor ('APS-C') the focal length will be equivalent to 27-75 mm on your Nikon camera.
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| See compatible cameras and perceived/equivalent focal length |
| Read more about focal length and your field of view |
| Read more on the cameras impact on the perceived focal length |
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| Lens brightness and image stabilizer |
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The lens brightness and aperture value is f/2,8.
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This aperture value indicates that the lens is very bright.
This will make it so much easier shooting in darker environments where you do not want or can use flash lighting, for example in churches or at different sports venues.
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| A feature worth commenting, which is also related to lens brightness, is that the brightness and maximum aperture-value remains constant regardless of focal length used. This makes it easier for you as a photographer. No matter if you are have the focus ring and focal length at 18 mm or at 50 mm the aperture value can be f/2,8. |
| The lens lacks image stabilization, which otherwise os good for avoiding the blur that can occur when using slow shutter speeds. Since the lens is bright, with good aperture value, the lack of image stabilization might not be that big of a deal, although a image stabilizer is always an advantage to have.
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| Read more about the aperture and lens brightness |
| Read more about how an image stabilizer works |
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| Filter and Lens Hood |
| The lens has a traditional filter thread on the front and its measuring 72 mm which also the filter you will use must have. If you use for example an UV filter can be a cheap insurance against scratches and dust.
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If you buy this lens it will come with a lens hood, whose model name is "LH780-04 581".
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| Read more about filters |
| Read more about lens hoods |
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| Different versions of the lens |
| This lens has been replaced by a newer version. Prior to purchasing the lens, please compare the various editions. |
| Sigma EX 18-50mm f/2,8 DC Macro (2006) |
| Sigma EX 18-50mm f/2,8 DC HSM Macro (2006) << The lens you are currently viewing |
| Sigma EX 17-50mm f/2,8 DC OS HSM (2010) |
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| Pictures (product and sample images) |
| In order to see larger product images of the lens, click the link below. |
| Besides looking at product images it is also of interest to see pictures taken with this specific lens. This can give you a hint of what kind of images this lens can achieve, what the focal length will be like etc. |
| Images of Sigma EX 18-50mm f/2,8 DC HSM Macro |
| Sample pictures taken with Sigma EX 18-50mm f/2,8 DC HSM Macro |
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| Things to consider before buying |
| Below you will find some summarized points and facts that can be considered as the 'pros and cons' of this lens. These are based entirely on the facts and values that are accessible through the lens specification, so we highly recommend that you also read the reported reviews available (see tab 'Reviews'); this in order to get a more complete view of the lens and its capabilites. Reviewer opinions reflect the lens, its use and its optical performance in a more accurate way, but any way - here a few different points to consider before buying this lens. |
 | The price (more info) |
| The lens brightness, f/2,8 |
| Constant maximum aperture value regardless of focal length |
| Has a built-in auto focus motor |
| A lens hood is included |
 | Works only on cameras with APS-C sensor |
| The lens is called 'Macro' but can not reproduce at a scale of 1:1 |
| This lens has been replaced by a newer version |
| The lens is not sealed against moisture and dust |
| Heavy (535 gr) |
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