Used CPC Phase 2 CCT MC Auto Zoom 28-80mm 1:3.5-4.5 62mm filter - Pentax K Mount.  This lens is a manual focus lens with a rear cap and a CPC Phase 2 Skylight filter.  The images above are the lens itself and some shots that I took this morning using it on my Pentax KP in manual mode.  Images are straight from the camera without any processing.  Zoom creep is minimal and both zoom and focus are smooth.  Overall a decent lens given the age.