Startests Pentax K versus M.

SMC PENTAX 1:3.5/24 and smc PENTAX 1:2.8 24mm

SMC PENTAX 1:3.5/28, smc PENTAX M 1:3.5 28mm and both M 1:2.8 versions

SMC PENTAX 1:2.0/35 and smc PENTAX M 1:2.0 35mm

SMC PENTAX 1:2.0 55mm and smc PENTAX M 1:2.0 50mm

SMC PENTAX 1:3.5/135, smc PENTAX M 1:3.5 135mm and SMC PENTAX 1:2.5/135

startest some leftovers