What is the pentax smc da 16 50mm f 2 8 ed al if sdm good for?

This is a fast standard zoom for Pentax K-mount APS-C bodies. It covers 16-50mm at a constant f/2.8, and on APS-C it frames roughly like a 24-75mm on full frame. That makes it a sensible everyday walk-around lens for street, travel and general shooting. The f/2.8 aperture helps in dim rooms and gives more background separation than a typical kit zoom, so it also works for people.

It isn't stabilised, so keep an eye on shutter speed in low light. It fits most APS-C Pentax K bodies, including the Pentax KP, and it can be used on the Pentax K-1 in APS-C crop mode.

For more on how a standard zoom like this gets used, see Landscape for wide framing and Portraits for working with people.

Written by Claude from this site's pages.