Is AF still bad with PENTAX or aren’t they working on it to improve? Posted on 25 November 2016 | 11:3325 November 2016 | 11:33 | No Comments Source Posted in Cameras, DA Lenses, DA Zoom Lenses, DSLR, Full Frame, HD PENTAX-DA 55-300mm F4-5.8 ED WR, HD PENTAX-DA 55-300mm F4.5-6.3 ED PLM WR RE, K-mount Lenses, Lenses, PENTAX K-1, Videos.