File:Canon EOS 6D with Canon EF 24-70mm F4L IS USM lens and Pentax K-5 with Pentax SMC DA* 16-50mm F2.8 ED AL -IF- SDM lens - (1).jpg - Wikimedia Commons
Amazon.com : Pentax 17-70mm f/4 DA SMC AL IF SDM Lens for Pentax Digital SLR Cameras : Camera Lenses : Electronics
Pentax smc DA 16-50mm f/2.8 ED AL (IF) SDM Lens with Filter Kit Sets - Walmart.com