Updated May 3, 2022
Here is the second part of the fifth entry in our "Choosing a Vintage SLR System" series for manual focus SLRs. In Part #1 we looked at the Pentax M42 screwmount system. Pentax was the last of the "Big 5" (Canon, Minolta, Nikon, and Olympus being the others) to adopt a bayonet-style lensmount, doing so in 1975. The K-mount has continued to serve (in modified form) into the digital era. For now we will confine ourselves to the manual focus film era. So let's get to it with our standard format of: 1) Lenses, 2) Bodies, 3) Flash, 4) Accessories, and 5) Reliability & Servicing.
Suffers from a quarter-century and counting film and manual focus SLR addiction. Has recently expanded into 1980's AF point and shoots, and (gack!) '90s SLRs. He even mixes in some digital. Definitely a sick man.