A one-time challenger to the ‘big two’ of Canon, Nikon, Pentax’s public profile seems much reduced these days, as does the breadth of its camera range. It hasn’t for example got any mirrorless cameras on offer any more. This is a real shame, as its products have a reputation for great value as well as delivering a good performance.  Since 2011 the Pentax brand has actually been owned by Ricoh, and, although Ricoh itself continues to put out  compact cameras and 360 cameras under the Ricoh name, it has retained the Pentax branding for its select band of DSLRs, as well as Pentax’s one and only high-end medium format camera: the equally well-respected 645Z. Buy any digital SLR and you’re actually buying into a camera system. Fortunately the Pentax brand has a long and distinguished history so there are plenty of new and older Pentax K-mount lenses and accessories to buy, if you’re an adopter of Pentax. So that’s something special about the K. It’s also worth noting, for anyone needing a jump in megapixels and a hike in image quality – perhaps for commercial photography – then Pentax’s 645Z is one of the more approachable and more affordable medium format cameras you can buy. In sho...