The Pentax smc DA 15mm F4 ED AL Limited is a wide-angle prime lens for Pentax K-mount, announced by Pentax on March 2, 2009.

Along with Pentax's other DA Limited primes, it was replaced in 2013 with an HD-coated version with rounded aperture blades.

[1] This photography-related article is a stub.

You can help Wikipedia by expanding it.