Sigma

Sigma 10-20mm f/4-5.6 EX DC Autofocus Zoom Lens for Pentax DSLR Cameras - U.S.A. Warranty

SKU: SG1020PXAF MFR: 201109
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About the Sigma 10-20mm

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

Wide angle of view (102.4° at 10mm and 63.8° at 20mm) offers the photographer greater freedom of expression.

These are special DC Series Lenses designed so that the image circle matches the smaller size of the image sensor of most digital SLR cameras. Their specialized design gives these lenses the ideal properties for digital cameras, the compact and lightweight construction is an added bonus!

Three SLD 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.

This lens is equipped with an inner focusing system, and the models which are equipped with HSM system provide quiet, high speed autofocus shooting and also offer full time manual focusing. It has a minimum focusing distance of 24cm (9.4") at all focal lengths. The non-rotating lens barrel perfectly suits the petal shaped lens hood. A circular polarizing filter can also be used conveniently.

Please note:
Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.

The Sigma 10-20mm is commonly used for Landscape/scenery and more.The Sigma 10-20mm is most used by customers who consider themselves to be a Enthusiast, Photo enthusiast among others.The Sigma 10-20mm is popular because customers like the following qualities of the Sigma 10-20mm: Consistent output, Easily interchangeable, Fast / accurate auto-focus, Lightweight, Rugged and Strong construction.

Sigma 10-20mm Includes

  • Lens Hood, Front & Rear Lens Caps, 1 Year International Warranty plus 3 Year Sigma U.S.A. Extended Warranty (Total Warranty is 4 Years from Date of Purchase)

Summary of Customer Reviews

Customers most agreed on the following attributes:
Pros:
Fast / accurate auto-focus (102) , Strong construction (93) , Consistent output (69) , Durable (54) , Easily interchangeable (53) , Lightweight (53) , Rugged (45) , Easy to use (25) , Compact (20) , Improves picture quality (16) , Nice bokeh (15) , Easily mounted (13) , Clear glass (11) , Simple controls (11) , Easy to clean (6) , Good price / value (3)
Cons:
Heavy (21) , Poor in low light (5) , Blurry focus (4) , Slow focus (3)
Best Uses:
Landscape/scenery (76) , Night photography (28) , Low light (26) , Shooting outdoors (23) , General purpose (21) , Landscape photography (20) , Weddings (18) , Special effects (18) , Travel (17) , Shooting indoors (17) , Panoramic filming (11) , Video (10) , Sports/action (8) , Fun (8) , Wildlife photos (7) , Photojournalism (7) , Documentary (6) , Landscapes (6) , Close up filming (6) , Art (5)
Reviewer Profile:
Photo enthusiast (42) , Enthusiast (36) , Semi-pro photographer (26) , Tech savvy (12) , Semi-professional (8) , Professional (7) , Casual photographer (6) , Pro photographer (6) , Beginner (3) , Film professional (3) , Advanced amateur (2) , Aspiring film maker (2) , Technically challenged (2) , Photography student (1) , Amateur photographer (1) , Enthusiastic amateur (1) , Freelance and event photo (1) , Long time SLR user (1) , Lovin' macro (1) , NYIP student (1)

Sigma 10-20mm Features

  • Super wide-angle zoom lens designed exclusively for digital SLR cameras
  • Covers a superwide angle of view 102.4° to 63.8°
  • Three pieces of Special Low Dispersion (SLD) elements and three aspherical lens elements produce top quality optical performance.
  • Inner focusing system ensures the length of the lens remains unchanged while controlling aberrations.
  • Minimum focusing distance of 24cm (9.4") at all focal lengths.
  • Relatively compact, lightweight for an ultra wide-angle zoom lens.

Sigma 10-20mm Specifications

Construction 14 Elements in 10 Groups
Angle of view 102.4° - 63.8°
F stop range Minimum Aperture : f/22
Closest Focusing Distance 24cm (9.4")
Maximum Magnification 1:6.7
Filter Size 77mm
Dimensions (Length x Diameter) 81mm (3.2") x 83.5mm (3.3")
Weight 16.6 oz / 470.60 gr
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