It looks like the power zoom model. Seller probably just doesn't know. Ask for a photo of the other side to see if the pz switch is there. Good price - grab it.
Joe P.S. I've found that this lens balances nicely on the MZ-S. - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
