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Sigma 15mm f2.8 Diagonal Fisheye For Pentax Digital & Flim SLRCameras
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- A full frame fish eye lens for Pentax Film and digital cameras
- 180 degree angle with full frame digital or 35mm film cameras
- Fisheye disortion for creative photography
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Style Name: Pentax and Samsung SLR Cameras
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This digitally optimised diagonal fisheye lens is equipped with Sigma’s multi-layer coating technology that reduces both flare and ghosting. This also ensures an accurate colour balance and high definition results.180 degree field of view of this fisheye lens can be used to create amazing image expressions that cannot be seen with the human eye, such as exaggerated perspective and distortion. The minimum shooting distance of 15cm and large depth of field allow close up photography that covers the objects surrounding the photographic subject. This lens is supplied with a gelatin filter holder at the rear, allowing the use of gelatin filters.
Top customer reviews
This was my first non-Canon lens so I was a little concerned about the build quality and as to how it would perform. I was not disappointed on either count. I had read a slight beef that auto-focussing could be a problem but it seems fine so far even in low light with temperatures below freezing. As it's not something I'm going to use every day it was nice to find that the custom-made case is well-made.
I don't give many 5 star recommendations so draw your own conclusions.
The fisheye effect is definitely one to be used sparingly, although with a bit of tweaking in photoshop you can get 180 degree panoramic shots.
In terms of sharpness the lens is nice and sharp right out to the edges, I haven't performed any full on technical analysis but this seems to be the case at all apertures.
Build quality is good, it is contructed of metal and feels appropriately rugged. The build in hood creates some problems in terms of how the lens cap fits, which is solved by a sleeve which fits around the hood (which you can't leave on as it is visible in the edges).
You can focus down to 15cm to achieve extremely distorted portraits (for example) just don't show them to the subject!
Would I buy this lens again? Yes, it gets relatively limited use but when it does make it out the bag it leads to some interesting shots.
But enough of the theory, given the reasoning above, I bought this lens for my holiday, and I have to say I immediately fell in love with it. The build quality is very good and the lens does feel quite sturdy despite its size. AF works well with the Canon electronics on my 5D mkII, although the light metering (with fisheyes in general) is not great, and using exposure compensation or manual settings is advisable, especially in high-light situations. The picture quality is really impressive, the lens is sharp, colours are great and what probably impressed me the most was its resistance to flares and ability to deal with high contrast situations (such as having the sun and a shadowed area in the same picture). On many of these occasions, this little bugger actually did better than my EF 24-105mm L. Vignetting and chromatic aberration were almost non-existent. Obviously, filter is not really an option with a lens like this and initially I was a bit afraid of not having my polariser, but to my own surprise, this turned out to be a non-issue. The only slightly annoying thing is the lens cap which you need to remove before shooting, and it sometimes doesn't go very smoothly. If you only remove the front part, you will end up with the cap in your picture, forming a wide black circle around it. But I guess there is hardly another way around it, and it is really a rather minor downside to an otherwise great lens.
So all in all, the Sigma f2.8 EX DG is a fabulous lens and if you are looking for a fisheye for a full frame camera, you can't go wrong with it. I'm absolutely happy with it and would recommend it to anyone!
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Most recent customer reviews
No flares in direct sun photo.
Good contrast and resolution on fullframe body.
Short distance photo, only 15 cm.