Pentax HD DA 15mm f4 Limited lens review: Compelling choice

Introduction There can be few lens series that are so highly regarded by their users than the Limited range of primes from Pentax. Not only are they well made but the images they produce have a distinctive descriptive quality, or ‘drawing style’, that makes particularly attractive to serious enthusiasts. As a revision to the previous smc version the new HD model has rounded iris for smoother transitions to out-of-focus areas and it has new coatings for improved transmission and color while also lowering flare and ghosting from internal reflections. The optical design is unchanged but utilizes