A new Pentax K-3 Mark III “The Ultimate Guide” eBook version 1.12 was released recently (more Pentax books can be found here): “Pentax K-3 Mark III: The Ultimate Guide is the most comprehensive resource to help you get the most out of your K-3 III and K-3 III Monochrome digital SLR cameras. Written by the … Continue reading Pentax K-3 Mark III “The Ultimate Guide” eBook version 1.12 released