Sony DT 55-200mm F4-5.6 SAM is an Auto Focus (AF)
Telephoto Zoom lens with APS-C / DX max sensor coverage and it is designed to be used with Sony Alpha mount cameras.
Lenses in Sony Alpha Mount with Same Focal and Aperture Range
Lens Mount
Sony DT 55-200mm F4-5.6 SAM is compatible with cameras that have
Sony Alpha lens mount. Some of the latest released cameras with Sony Alpha lens mount are
Sony A68,
Sony A77 II and
Sony A58.
Sensor Coverage
Max sensor coverage of Sony DT 55-200mm F4-5.6 SAM is
APS-C / DX.
Focal Range
Sony DT 55-200mm F4-5.6 SAM has a focal range of 55-200mm and 3.6X zoom ratio.
Optical Image Stabilization
Sony DT 55-200mm F4-5.6 SAM doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Body Colour
Sony DT 55-200mm F4-5.6 SAM is available in Black color.
Zoom Method
Sony DT 55-200mm F4-5.6 SAM features
Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.
Aperture
Sony DT 55-200mm F4-5.6 SAM is a variable aperture lens with a max aperture of f4 and a minimum aperture of f32 at 55mm, and a max aperture of f5.6 and minimum aperture of f45 at 200mm .
Optical Formula
Sony DT 55-200mm F4-5.6 SAM's optical formula consists of 13 elements in 9 groups.