Optics: The Sony DT 16-50mm F2.8 SSM lens (SAL1650) is compatible with Sony α-series (Alpha) DSLR cameras. The DT lens is a compact, lightweight lens, designed specifically for the APS-size CCD imager used in most Sony α-series cameras. The lens employs a Super Sonic wave Motor (SSM), a high-torque, high response motor, to provide quick, quiet, and more precise auto-focusing. The lens includes the ALC-SH117 lens hood to reduce flare.
Zooming: The lens allows you to rotate the zooming ring to set the desired focal length. The 16-50mm lens features a 3.1x optical zoom. The lens has a zoom lock switch to prevent the lens barrel from extending due to the weight of the lens while it is carried.
Focusing: The lens can be used in the auto-focus or manual focus mode. You can switch between focusing modes using the 2-way switch on the lens barrel. Direct Manual Focus (DMF) allows you to rotate the focusing ring to set the proper focus, even when the camera is in Automatic Auto Focus (AF-A) or Single shot Auto Focus (AF-S).
Dimensions: The lens has the following dimensions:
Diameter=3.177", Length=3.764" to 4.831" (without lens caps).
35mm Equivalent: 24-75mm
Angle of View: 83° to 32°
Minimum Focus: 1.0'
Filter Diameter: 72mm
Maximum Aperture: f/2.8
Minimum Aperture: f/22
Weight: 20.375 ounces
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