Tamron AF 18-250mm f3.5-6.3 II LD is an Auto Focus (AF) SuperZoom
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
Tamron AF 18-250mm f3.5-6.3 II LD 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
Max sensor coverage of Tamron AF 18-250mm f3.5-6.3 II LD is APS-C / DX
Tamron AF 18-250mm f3.5-6.3 II LD has a focal range of 18-250mm and 13.9X zoom ratio.
Optical Image Stabilization
Tamron AF 18-250mm f3.5-6.3 II LD 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 18-250mm f3.5-6.3 II LD is available in Black color.
Tamron AF 18-250mm f3.5-6.3 II LD 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 18-250mm f3.5-6.3 II LD has a Zoom lock
feature which eliminates Zoom creep where focal length of the lens changes with gravity when it's held downwards or upwards.
Tamron AF 18-250mm f3.5-6.3 II LD is a variable aperture lens with a max aperture of f3.5 and a minimum aperture of f22 at 18mm, and a max aperture of f6.3 and minimum aperture of f22 at 250mm .
Tamron AF 18-250mm f3.5-6.3 II LD's optical formula consists of 16 elements in 13 groups.
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