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Cameras & Lenses » Camera Lenses » Pentax Fit K-Mount » Sigma
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This super wide-angle capacity 10-20mm lens is excellent for both indoor and outdoor photography. It is specifically designed for digital SLR cameras with APS-C or smaller-sized sensors. The aspherical lenses are superb at reducing distortion and aberration, giving excellent images throughout the zoom range. The lens has a minimum focusing distance of 24cm (9.4 inches) at all focal lengths. The lens also comes with an integral petal-type hood. More
Super wide-angle zoom lens designed exclusively for digital SLR cameras
This ultra-wide zoom lens has a wide angle of view from 102.4 - 63.8 degrees (when Sigma mount is used) and it is exclusive to digital SLR cameras. SLD glass elements effectively compensate color aberration. Aspherical lenses provide maximum correction for distortion and various aberrations; high image quality is displayed throughout the entire zoom range. The HSM equipped models makes fast AF speeds and quiet shooting a reality, and it is also capable of full-time manual focus. It has a minimum focusing distance of 24cm (9.4") at all focal lengths. It is also equipped with an integral Petal-type hood to block out extraneous light.
Ultra-wide zoom lens
10-20mm F4-5.6 EX DC lens allows enjoyment of super wide-angle photography and it is a very powerful tool for indoor shooting and landscape photography with APS-C size image sensors of digital SLR cameras. Wide angle of view 102.4-63.8 degrees (for Sigma mount) offers the photographer greater freedom of expression.
Most Appropriate Coating for Digital SLR Cameras
The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance through the entire zoom range.
The best possible correction of aberrations
Three SLD (Special Low Dispersion) glass elements are employed for effective compensation of color aberration, which is a common problem with super-wide angle lenses. One piece of glass mold and two hybrid aspherical lenses, offer excellent correction for distortion, as well as all types of aberration.
Inner focus system
This lens incorporates an internal focusing system, which eliminates front lens rotation allowing the use of a Petal-type Hood and also minimize fluctuation of aberration caused by focusing system
See our full Lens Glossary here
(based on 4 reviews)
of respondents would recommend this to a friend.
Reviewed by 4 customers
Displaying reviews 1-4
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By Simple Simon
About Me Casual user
Comments about Sigma 10-20mm f4-5.6 EX DC Lens - Pentax Fit:
Fairly limited zoom range and at the 20mm end its neither one thing or another. But at 10mm its super effective. Image quality is great throughout. I've not needed to open it up beyond about f8, so I don't know how it will fare in lower light conditions... you can hardly limit the depth of field.
Bottom Line Yes, I would recommend this to a friend
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By Nick in Wales
About Me Hobbyist/Enthusiast
This is my first ultra wide lens and I'm delighted with it. For both indoor shots and wide landscapes it has opened up a whole new area of photography for me. The lens is extremely well put together and feels like it will last years. I don't think it is clear in the listing but the current model supplied to me by WEX does have hypersonic focusing. :-)Used with a Pentax K-50
Images shared by Nick in Wales
Broad Street, Montgomery.
Tags: Made with Product
Castle Kitchen, Montgomery.
(3 of 4 customers found this review helpful)
Compared to the Pentax offering this is great value and definitely worth considering. Being a rectilinear lens it has only a little corner and barrel distortion at 10mm. Although screw driven, the autofocus is fast. I'm not sure about the velvety Sigma 'Zen' finish as it does tend to scratch, wear smooth and eventually wear off with heavy use but that doesn't affect the optical quality, of course.
(7 of 9 customers found this review helpful)
from carlisle, cumbria
I bought this lens purely for landscapes mostly panoramics it gives a super wide view and when you crop the .raw file top and bottom to make the final image you end up with fantastic images.It's not much use for portraits but it wasn't designed for that.If you want a lens that takes panoramics and super wide vistas then look no further.I use it on a pentax k10 and they both work seamlessly together .Its worth noting that on the pentax version you don't get the focussing range window thats pictured above but that aside it's still a great lens .
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