Pentax 18-135mm F3.5-5.6ED is an Auto Focus (AF) SuperZoom
lens with APS-C / DX max sensor coverage and it is designed to be used with Pentax KAF3 mount cameras.
Pentax 18-135mm F3.5-5.6ED is compatible with cameras that have Pentax KAF3
lens mount. Some of the latest released cameras with Pentax KAF3 lens mount are
Max sensor coverage of Pentax 18-135mm F3.5-5.6ED is APS-C / DX
Pentax 18-135mm F3.5-5.6ED has a focal range of 18-135mm and 7.5X zoom ratio.
Optical Image Stabilization
Pentax 18-135mm F3.5-5.6ED 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).
Pentax 18-135mm F3.5-5.6ED is available in Black color.
Pentax 18-135mm F3.5-5.6ED 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
Pentax 18-135mm F3.5-5.6ED has a Max Magnification Ratio of 0.24x
and has a minimum focusing distance of 0.4m
Pentax 18-135mm F3.5-5.6ED 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 f5.6 and minimum aperture of f38 at 135mm .
Pentax 18-135mm F3.5-5.6ED's optical formula consists of 13 elements in 11 groups.
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