Pentax D FA 150-450mm F4.5-5.6 ED DC AW is an Auto Focus (AF)
Telephoto Zoom lens with 35mm FF max sensor coverage and it is designed to be used with Pentax KAF3 mount cameras.
Lens Mount
Pentax D FA 150-450mm F4.5-5.6 ED DC AW is compatible with cameras that have
Pentax KAF3 lens mount. Some of the latest released cameras with Pentax KAF3 lens mount are
Pentax K-3 III,
Pentax K-1 II and
Pentax KP.
Sensor Coverage
Max sensor coverage of Pentax D FA 150-450mm F4.5-5.6 ED DC AW is
35mm FF.
Focal Range
Pentax D FA 150-450mm F4.5-5.6 ED DC AW has a focal range of 150-450mm and 3.0X zoom ratio. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 225 - 675mm.
Optical Image Stabilization
Pentax D FA 150-450mm F4.5-5.6 ED DC AW 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).
Body Colour
Pentax D FA 150-450mm F4.5-5.6 ED DC AW is available in Black color.
Zoom Method
Pentax D FA 150-450mm F4.5-5.6 ED DC AW 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.
Zoom Lock
Pentax D FA 150-450mm F4.5-5.6 ED DC AW 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.
Aperture
Pentax D FA 150-450mm F4.5-5.6 ED DC AW is a variable aperture lens with a max aperture of f4.5 and a minimum aperture of f22 at 150mm, and a max aperture of f5.6 and minimum aperture of f27 at 450mm .
Optical Formula
Pentax D FA 150-450mm F4.5-5.6 ED DC AW's optical formula consists of 18 elements in 14 groups.