Arnold wrote: AS> - FAJ28-80/f3.5-5.6 AL: 8 elements in 8 groups, 0.4meters minimum focus AS> disctance; 63x67mm, 180grams AS> - FAJ75-300/f4.5-5.8 AL: 12 elements in 10 groups, 1.3 meters minimum AS> focus disctance; 69x116mm, 385grams
I haven't downloaded the manual, so I'm asking you to check if there's anywhere SMC mentioned in the lens designations. Pentax is very careful with this. If it's no SMC then we can safely assume these are low end lenses only - no danger of generalization. Servus, Alin

