Sony AF DT 50 F1.8 SAM SAL50F18

prod. code:

SAL50F18

year: 2009

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coverage:

APS-C

production: Current

max. aperture:

1.8

D type lens: Yes

min. aperture:

focal range:

50 mm

overall ratings: 4.42

sharpness rating: 4.63

color rating: 4.49

build rating: 3.80

distortion rating: 4.66

flare control: 4.51

total: 41 reviews

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149 USD

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elements/group:

6/5

angle of view:

aperture blades:

7, circular

minimum focus distance:

340 mm

filter rotate when focusing:

filter rotate when zooming:

max. magnification:

0.2x

focus design:

Front Focus SAM

min. length:

45 mm

max. length:

filter diameter:

49 mm

hood:

weight:

170 g

color:

black

standard accessories: Caps

features:
distance scale, af/mf Button switch, SAM

comments: Make the move from the standard zoom and explore the world of portrait photography with the SAL-50F18 lens for your α DSLR camera. It boasts a large aperture which makes it easy to get great-looking portrait shots. The SAL50F18 is one of the first fixed focal length lenses in the DT series, which is designed exclusively for α DSLRs that use an APS-C type sensor. Please note: DT lenses are not recommended for use with the DSLR-A900.
SteadyShot INSIDE™ In-Camera Image Stabilization

A major reason for its compact, lightweight lens design is the benefit of SteadyShot INSIDE™ in-camera image stabilization, built into every® α (alpha) DSLR camera -- and enabling lenses to eliminate the extra weight and expense of in-lens stabilization mechanisms.
DT Lens Design

A more compact, lightweight lens designed specifically for the APS-size CCD imager used in some Sony® α (alpha) DSLR cameras.
Smooth Autofocus Motor (SAM)

The built-in Smooth Autofocus Motor (SAM) eliminates the need to use a mechanical coupling system in the camera body to transfer auto foucs (AF) drive power and control signals to the lens. Instead, AF control signals from the camera body are sent to the lens-mounted SAM unit, which drives the focusing lens group directly, helping to assure smooth AF response.
ED (Extra-low Dispersion) Glass

To reduce chromatic aberration at telephoto extension, correcting certain wavelengths of light for sharp, clear images with well defined colors.
Circular Aperture

Because aperture blades form a near circle at the wide openings used for low-light shots, spot-light sources have a pleasing circular defocused effect.