HD Pentax-DA 11-18mm F2.8 is a Fixed aperture Auto Focus (AF) Ultra-Wideangle Zoom
lens with APS-C / DX max sensor coverage, and it is designed to be used with Pentax KAF3 mount cameras.
HD Pentax-DA 11-18mm F2.8 is compatible with cameras that have Pentax KAF3 lens mount. Some of the latest released cameras that are compatible with the Pentax KAF3 lenses are Pentax K-3 III, Pentax KP and Pentax K-70.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. HD Pentax-DA 11-18mm F2.8 has a maximum diameter of mm and total length of mm when not extended .
HD Pentax-DA 11-18mm F2.8 has a focal range of 11-18mm and 1.6X zoom ratio which has a 35mm equivalent focal range of 16.5-27mm when used on a APS-C / DX format camera.
HD Pentax-DA 11-18mm F2.8 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.
HD Pentax-DA 11-18mm F2.8 is a fixed aperture lens with a constant max aperture of f2.8 from 11mm all the way to the 18mm .
HD Pentax-DA 11-18mm F2.8 comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Popular Comparisons of HD Pentax-DA 11-18mm F2.8
Here is the eight most popular comparisons of HD Pentax-DA 11-18mm F2.8 amongst Camera Decision readers.