Sony 70-400mm F4-5.6 G SSM II is an Auto Focus (AF) Telephoto Zoom
lens with 35mm FF max sensor coverage and it is designed to be used with Sony Alpha mount cameras.
Sony replaced the older Sony 70-400mm F4-5.6 G SSM with this model. Follow the link to read our detailed comparison of these models: Compare Sony 70-400mm F4-5.6 G SSM II vs Sony 70-400mm F4-5.6 G SSM
Lenses in Sony Alpha Mount with Same Focal and Aperture Range
Sony 70-400mm F4-5.6 G SSM II 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 Sony 70-400mm F4-5.6 G SSM II is 35mm FF
Sony 70-400mm F4-5.6 G SSM II has a focal range of 70-400mm and 5.7X zoom ratio. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 105 - 600mm.
Optical Image Stabilization
Sony 70-400mm F4-5.6 G SSM II 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).
Sony 70-400mm F4-5.6 G SSM II 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.
Maximum Magnification Ratio
Sony 70-400mm F4-5.6 G SSM II has a Max Magnification Ratio of 0.27x
and has a minimum focusing distance of 1.5m
Sony 70-400mm F4-5.6 G SSM II is a variable aperture lens with a max aperture of f4 and a minimum aperture of f at 70mm, and a max aperture of f5.6 and minimum aperture of f at 400mm .
Sony 70-400mm F4-5.6 G SSM II's optical formula consists of 18 elements in 12 groups.