Ultra-wide angle zoom lens for Pentax APS-C cameras.
The Pentax HD DA* 11-18mm f/2.8 ED DC AW is Pentax's flagship wide-angle zoom for APS-C cameras, part of the DA* (Star) premium range. HD = High Definition coating; DA* = highest Pentax quality tier; ED = Extra-low Dispersion; DC = DC motor; AW = All-Weather construction. The constant f/2.8 aperture and star-quality optics make this the definitive wide zoom for Pentax APS-C.
11–18mm zoom range (16.5–27mm equivalent on APS-C), f/2.8 constant maximum aperture, HD coating, ED glass, DC motor AF, AW weather resistance, Pentax K bayonet mount, 82mm filter thread.
The DA* 11-18mm f/2.8 is the only constant f/2.8 ultra-wide APS-C zoom in the Pentax system at this quality tier. The HD coating delivers Pentax's best flare resistance. AW weather sealing pairs with Pentax's weather-resistant K-1 II and K-3 III bodies. A premium investment for Pentax landscape, architecture, and documentary photographers.
Test DC motor AF accuracy across the zoom range. Inspect HD-coated elements for condition. Check AW seals. Confirm K-mount engagement. Test at 11mm and 18mm extremes for sharpness and corner performance.