Sony AF DT 50mm F1.8 SAM

mount: A-mount
prod. code: SAL50F18
EAN/UPC: 4905524535570
makernote ID: 57
format: APS-C
release year: 2009
status: Current
specification
D type lens: Yes
SLT compatible: Yes
AF Drive: In Lens (SAM)
focus design: Front Focus SAM
stabilisation: No
weather sealing: No
AF-D (a99 only): No
max. aperture: 1.8
min. aperture: 22
focal range(mm): 50
elements/group: 6/5
angle of view:
aperture blades: 7
min. focus distance(mm): 340
filter rotate focusing: No
max. magnification: 0.2x (1/5)
filter diameter(mm): 49
hood:
color: black
length(mm): 45
weight(g): 170
standard accessories: Caps
features: distance scale, af/mf Button switch, SAM

user review ratings
overall: 4.35
sharpness: 4.59
color: 4.52
build: 3.53
distortion: 4.60
flare control: 4.49
total: 86 reviews

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Sony AF DT 50mm F1.8 SAM image 1Sony AF DT 50mm F1.8 SAM image 2Sony AF DT 50mm F1.8 SAM image 3

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manufacturer description

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.

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