Product Code: 1032084

Sony A Mount 50mm f1.8 DT SAM Lens

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The Sony 50mm f1.8 SAM is a light, bright portrait lens offering superb optical performance at a price that's irresistible to first-time DSLR users. With a wide F1.8 aperture, it's ideal for capturing crisp, beautiful portraits in natural light with smoothly defocused backgrounds. AF performance is quiet and precise thanks to the inbuilt Smooth Autofocus Motor (SAM).


Make the move from the standard zoom and explore the world of portrait photography with the Sony 50mm f1.8 SAM lens for your Alpha DSLR camera. It boasts a large aperture which makes it easy to get great-looking portrait shots. The Sony 50mm f1.8 SAM is one of the first fixed focal length lenses in the DT series, which is designed exclusively for a 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 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 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 focus (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 colours.

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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Product Specification

Aperture blades 7
Autofocus motor SAM
Lens mount Sony A
Camera Lens Type Standard Prime
Colour Black
Enlargement Ratio 1:5.0
Filter thread (mm) 49
Focal length (tele) 50
Focal length (wide) 50
Image stabilisation Yes
Included Accessories Front and rear caps
Lens elements 5
Lens groups 6
Max aperture - tele 1.8
Max aperture - wide 1.8
MF switch Yes
Minimum aperture 22
Minimum Focus Distance (m) 0.3
Sensor APS-C
Size 70 x 45 mm
Weight (g) 170
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Product Code: 1032084-wex Manufacturers Part Number: SAL50F18.AE