Pentax DA 18-50mm F4.5-5.6 DC WR RE is an Auto Focus (AF)
Standard Zoom lens with APS-C / DX max sensor coverage and it is designed to be used with Pentax KAF3 mount cameras.
Lens Mount
Pentax DA 18-50mm F4.5-5.6 DC WR RE 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 KP and
Pentax K-70.
Sensor Coverage
Max sensor coverage of Pentax DA 18-50mm F4.5-5.6 DC WR RE is
APS-C / DX.
Focal Range
Pentax DA 18-50mm F4.5-5.6 DC WR RE has a focal range of 18-50mm and 2.8X zoom ratio.
Optical Image Stabilization
Pentax DA 18-50mm F4.5-5.6 DC WR RE 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 DA 18-50mm F4.5-5.6 DC WR RE is available in Black and white color.
Zoom Method
Pentax DA 18-50mm F4.5-5.6 DC WR RE 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 DA 18-50mm F4.5-5.6 DC WR RE has a Max Magnification Ratio of
0.23x and has a minimum focusing distance of
0.3m.
Aperture
Pentax DA 18-50mm F4.5-5.6 DC WR RE is a variable aperture lens with a max aperture of f4 and a minimum aperture of f22 at 18mm, and a max aperture of f5.6 and minimum aperture of f32 at 50mm .
Optical Formula
Pentax DA 18-50mm F4.5-5.6 DC WR RE's optical formula consists of 11 elements in 8 groups.