KK> Why would anyone (other than a collector, but then again it's in KK> well-used cond) prefer this lens to Pentax's SMC offerings?
Why would anyone (other than a collector) prefer Pentax's SMC offerings to Nikon glass? <grin, duck & run> Simply, people prefer different things because of their different tastes ;-) World would be boring otherwise, don't you think ;-) ? Good light! fra