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Sony 20mm f/2.8 Wide-Angle Lens

see the whole gallery in large	Full frame sized image Lenses that create APS-C sized image are designed for digital only. They cannot be used on cameras that have image sensor larger than the APS-C format. These lenses are not suitable for film cameras either. No Ultrasonic AF Lenses with ultrasonic focusing mechanism tend to be quiter and faster than traditionally focusing lenses. Not stabilized Image stabilization helps to reduce blur caused by hand shake, especially at high focal length or in low light situations. Image stabilization can give 1 to 3 stop advantage over none stabilized lens, based on the reciprocal rule. Metal mount Cheaper lenses are usually equipped with plastic mount, while more expensive, professional lenses have metal mount. In general, metal mounts are more durable, and a good thing to have when lenses are changed a lot. When a camera is used mainly with one lens, the material of the lens mount is not that important. Internal Focusing Internally focusing lenses don't change their size while setting focus. The front lens is fixed The fixed front lens is not rotating during zoom and/or focusing. This allows the photographer to use petal shaped lens hood. Fixed front lenses also make the use of polarization filters a lot easier. Not Sealed Weather sealed lenses are protected from dust and water. While they are not water proof, these lenses can be used in rain and other humid environments. Some sealings only provide protection against dust or water, not both. Sealing is only available when the lens is used on a similarly weather sealed camera body. No drop-in filter support Drop-in filters are used in those lenses where either the front lens is too large, or the field of view doesn't permit the use of traditional filters at the front of the lens. Usually bright tele and ultra-wide angle lenses support this filter type.
A wide-angle lens with uncommon accuracy and extraordinary depth of field. It delivers a super-wide 94° angle of view, corrects visual aberrations from about 10 inches to infinity, and provides deep depth of field for complex shots that maintain sharp focus in both close foreground and far background. Mounted on the Sony® α (alpha) DSLR-A100 camera, this beautiful wide-angle lens achieves a 70° angle of view with 30mm focal length (35mm equivalent).

see the whole gallery in large

A wide-angle lens with uncommon accuracy and extraordinary depth of field. It delivers a super-wide 94° angle of view, corrects visual aberrations from about 10 inches to infinity, and provides deep depth of field for complex shots that maintain sharp focus in both close foreground and far background. Mounted on the Sony® α (alpha) DSLR-A100 camera, this beautiful wide-angle lens achieves a 70° angle of view with 30mm focal length (35mm equivalent).

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Sony 20mm f/2.8 Wide-Angle Lens Specification

Sony 20mm f/2.8 Wide-Angle Lens Specification
Available mount(s)	Sony / Minolta A
Application(s)	Landscape, Interiors, Architecture
Category(s)	Ultra-wide prime
Multiplier	1×
Stabilizer	no
Focal length	20 mm (prime)
Lens construction	10 elements in 9 groups
Angle of view	35mm: 94° digital: 70°
Number of blades	7
Maximum aperture	f/2.8
Minimum aperture	f/22
Minimum focusing distance	25 cm
Magnification	0.13×
Filter size	72 mm
Size	∅ 78 × 53.5 mm
Weight	285 g
Notes
AF speed	0.2 sec. (from close up to infinity)
AF sound
Internal focusing	yes
Internal zoom	N/A
Fix front lens	yes
Mount type	metal
Weather sealed	no
Drop in filter	no
Ultrasonic AF	no
APS-C sized circle	no
Low dispersion lens element	N/A
Hard case	not included
Soft case	not included
Lens hood	SH0013 (included)
Tripod adapter	not included

Sony 20mm f/2.8 Wide-Angle Lens Reviews

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Sony 20mm f/2.8 Wide-Angle Lens Owner Reviews

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Beautiful Photos

Mar 18, 2008

My husband purchased this lens for my trip to South Africa - it did not disappoint. It captured some truly amazing pictures. Wonderful wide angle lens, crips photos, and doesn't even take up much space in my camera bag - I couldn't have asked for anything better!

Excellent wide angle lens

Nov 4, 2009

I like this lens very much because of its design, quality of construction and material. It gave my pictures great sharpness, good brightness, and color accuracy. I think it's worth the money to own one.

Sony 20mm f/2.8 Wide-Angle Lens Sample Photos

Sony 20mm f/2.8 Wide-Angle Lens Accessories

Lens hoods for Sony 20mm f/2.8 Wide-Angle Lens

Sony ALC-SH0013 Lens Hood for Sony 20mm f/2.8 Wide Angle Lens 29.94 USD

72 mm Filters

72 mm Polarizer Filters

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Lens finder

Sony 20mm f/2.8 Wide-Angle Lens

Full frame sized image

No Ultrasonic AF

Not stabilized

Metal mount

Internal Focusing

The front lens is fixed

Not Sealed

No drop-in filter support