- Source: Pentax DA 15mm Limited lens
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.
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External links
Media related to SMC Pentax-DA 15mm F4 ED AL Limited at Wikimedia Commons