Pentax smc DA 50mm f/1.8

Not on this page? This site answers questions: try /ask/what-is-the-pentax-smc-da-50mm-f-1-8-good-for, or write any question as words after /ask/.

Prime lens

A prime lens by Pentax for APS-C cameras, 50mm f/1.8. The cheapest fast portrait lens for Pentax APS-C bodies.

What it frames like

Its full-frame-equivalent focal length on the sensor it was made for.

How wide 50mm sees on each sensor it covers.

f/1.8 wide open, to scale against f/1.4.

On APS-C (Pentax K): like 75mm on full frame; f/1.8 gives about the depth of field of f/2.7 there.
On the larger-sensor bodies of Pentax K: it works with the camera in a APS-C crop mode, at fewer megapixels.

See what it frames: its view on the Pentax K-3 Mark III Monochrome at any distance, and its depth of field, drawn to scale.