Ricoh has announced a new wide-angle prime for its Pentax 645D/645Z medium format digital bodies. This lens’ name is a mouthful: HD PENTAX-D FA645 35mm F3.5 AL [IF]. The top-line specs are that it acts as a 27.5mm (in 35mm terms) on a digital 645 body, has a minimum focus distance of 0.3m, giving a maximum magnification ratio of 0.25x. Read more