These two lenses are similar in focal and speed, size and weight (both about 150g). The focals are "standard" on film SLRs but now on Pentax DSLRs, they have become short tele something. The A lens is actually much looking like the black Limiteds in appearance, which actually copy the look and aesthetic design from the A lenses. The Pentax A 50/2 was sold at HK$350 in 1995 when it was
