Tamron AF 28-200mm f3.8-5.6 XR is an Auto Focus (AF) SuperZoom
lens with 35mm FF max sensor coverage and it is designed to be used with Sony Alpha mount cameras.
Tamron AF 28-200mm f3.8-5.6 XR is compatible with cameras that have Sony Alpha
lens mount. Some of the latest released cameras with Sony Alpha lens mount are Sony A99 II
, Sony A68
and Sony A77 II
Max sensor coverage of Tamron AF 28-200mm f3.8-5.6 XR is 35mm FF
Tamron AF 28-200mm f3.8-5.6 XR has a focal range of 28-200mm and 7.1X zoom ratio. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 42 - 300mm.
Optical Image Stabilization
Tamron AF 28-200mm f3.8-5.6 XR 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).
Tamron AF 28-200mm f3.8-5.6 XR is available in Black color.
Tamron AF 28-200mm f3.8-5.6 XR 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.
Tamron AF 28-200mm f3.8-5.6 XR is a variable aperture lens with a max aperture of f3.8 and a minimum aperture of f22 at 28mm, and a max aperture of f5.6 and minimum aperture of f22 at 200mm .
Tamron AF 28-200mm f3.8-5.6 XR's optical formula consists of 15 elements in 14 groups.