| Sony Alpha DT Portrait lenses made by Sony for less than $300 that have a generic focus motor | | | | | Fixed aperture | | The same maximum aperture at all focal lengths | | | Focus motor | Generic motor | | | Max focal length | 50 mm | | | | | Fixed aperture | Yes | | | Zoom range | 3.1x | | | | | Aperture | f/2.8 | | | Min focal length | 16 mm | | | | | Diameter | 81 mm | | | Weight | 0.6 kg | | | | | | | | | | | Focus motor | Generic motor | | | Max focal length | 200 mm | | | | | Fixed aperture | No | | | Zoom range | 3.6x | | | | | Aperture | f/4 | | | Min focal length | 55 mm | | | | | Diameter | 71 mm | | | Weight | 305 g | | | | | | | | | Focus motor | Generic motor | | | Max focal length | 50 mm | | | | | Fixed aperture | n/a | | | Zoom range | 1x | | | | | Aperture | f/1.8 | | | Min focal length | 50 mm | | | | | Diameter | 45 mm | | | Weight | 170 g | | | | | | | | | |