Tokina 16.5-135mm f3.5-5.6 DX is an Auto Focus (AF)
SuperZoom lens with APS-C / DX max sensor coverage and it is designed to be used with Nikon F (DX) mount cameras.
Lens Mount
Tokina 16.5-135mm f3.5-5.6 DX is compatible with cameras that have Nikon F (DX) lens mount.Some of the latest released cameras with Nikon F (DX) lens mount are
Nikon D3500,
Nikon D7500 and
Nikon D5600.
Sensor Coverage
Max sensor coverage of Tokina 16.5-135mm f3.5-5.6 DX is APS-C / DX.
Focal Range
Tokina 16.5-135mm f3.5-5.6 DX has a focal range of 17-135mm and 7.9X zoom ratio.
Optical Image Stabilization
Tokina 16.5-135mm f3.5-5.6 DX 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).
Zoom Method
Tokina 16.5-135mm f3.5-5.6 DX 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
Tokina 16.5-135mm f3.5-5.6 DX is a variable aperture lens with a max aperture of f3.5 and a minimum aperture of f22 at 17mm, and a max aperture of f5.6 and minimum aperture of f36 at 135mm .
Optical Formula
Tokina 16.5-135mm f3.5-5.6 DX's optical formula consists of 15 elements in 9 groups.