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Sigma 20mm F/1.8 Aspherical D DG RF Autofocus Lens For Minolta Alpha Mount {82}

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Sigma 20mm F/1.8 Aspherical D DG RF Autofocus Lens For Minolta Alpha Mount {82} Description

Details

Lens Specifications

Lens Name: Sigma 20mm f1.8

Description: Designed for use with full frame digital cameras

May also be used with smaller APS-c size sensors
Two Aspherical glass elements offer correction for distortion
Minimum focusing distance of 7.9 inches allows close-up photography with a lens to subject distance of only 2.6 inches providing a magnification ratio of 1:4
Rear focus system eliminates front lens rotation & is suitable for use of Petal-type lens hood & polarizer filters
A lens hood, front/rear lens cap and carrying case are included with the lens.

Focus Type: Auto/Manual

Works with this type of camera: APC, Full Frame and Film

Focal Length: 20mm

Elements: 13 Elements in 11 Groups
f-Stop Range: f1.8 - f22

Minimum Focus: 7.9 inches

Macro: No

Zoom Type: N/A

Length of lens retracted: 3.5 inches

Length of lens zoomed out: N/A

Image Stabilized: No

Aperture ring on the lens: Yes

Filter Size: 82mm

Lens Hood: Yes

Weight in ounces: 18.3 oz

Other Note:

The Sigma Advantage


The interest and appetite for interchangeable lenses is very diverse in terms of users' preferences and tastes. Sigma is committed to meeting the high reliability and quality standards required of optical equipment, as well as bringing lots of added value to the photographer and this is evident in Sigma's offering of unique product features, huge selection and highly affordable pricing. So when you purchase a Sigma lens, you're sure you're getting the absolute most for your money.

Technology and Innovation
Sigma was founded, nearly 50 years ago, on the creative thinking and the pursuit of innovation, design and development of a rear lens converter, which, at the time was thought not possible. That perseverance, commitment to new photographic developments and high standards of quality is what drives Sigma, still, today. The chairman and founder, who remains at Sigma's helm even today, continues to drive Sigma toward designing and discovering new optical technology that meets the needs of today's ever changing photo world and the demands of the photographers themselves.

Sigma Lens Quality
Sigma lenses provide the highest optical quality coupled with the newest technological innovations. Quality is never compromised and always the focus. Every phase of research, design, processing and production is done, on site, in the Sigma Tokyo factories. This allows the highest degree of quality control ensures a high, consistent level of quality as we process all of our own high-performance Special Low Dispersion glass (SLD), metal and resins, surface treatments and other elements.

Selection and Affordability

As the largest independent lens manufacture, Sigma offers over 50 lenses. You'd be hard pressed not to find multiple lenses to suit your needs, skill level, type of photography and most importantly, your vision. And don't forget, Sigma lenses are considerably more affordable than other manufacturers, which sweetens the deal!

Specifications

Physical Characteristics

Lens Mount Sony A & Minolta A

General information

Brand Name Sigma

Customer Reviews