HD Pentax-DA 20-40mm f/2.8-4 ED Limited DC WR

This is a APS-C zoom lens for Pentax K, covering 20-40 mm and a maximum aperture of f/2.8-4. Released in 2013, it weighs 283 g and is weather-sealed. That combination suits landscape and architecture photography.

It is a premium standard zoom lens designed for Pentax K-mount APS-C DSLR cameras. As part of the esteemed Limited series, it combines exceptional optical performance with a compact, all-metal construction. Covering a versatile focal length range equivalent to 30.5-61.5mm in 35mm format, it is suitable for various photography genres, including street photography, landscapes, and general-purpose shooting. The lens features an advanced optical design that includes Extra-low Dispersion (ED) and super-low dispersion elements to minimize aberrations and deliver sharp, high-contrast images across the frame. Its variable maximum aperture of f/2.8-4 allows for excellent low-light performance and depth of field control. The built-in Direct Current (DC) motor ensures smooth and quiet autofocus operation, while the weather-resistant (WR) construction provides reliability in various shooting conditions.