Reviews and Problems with Pentax smc DA 35mm f/2.4 AL
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10 July 2011
Excerpt: The Pentax 35mm f/2.4 SMC DA AL features a maximum aperture of f/2.4. Coupled to a Pentax APS-C D-SLR such as the K-r, K-5 or K-7 it offers a film-equivalent focal length of 52.5mm with the 1.5x crop factor, and features a construction of six glass elements in five lens groups. It has a six-blade aperture design but unfortunately has a plastic mount at the rear that's susceptible to more wear and tear than a metal one.