Staff note: This post may contain affiliate links, which means Pentax Forums may earn a small commission if a visitor clicks through and makes a purchase. If you would like to support the forum directly, you may also make a donation here.
There's a Pentax A 200 f4 macro listed on ebay that appears to be in nice condition, at a reasonable price, if anyone is searching for one. I have no relationship with the seller, just thought I'd pass this on.
Pentax-A GREEN STAR SMC 200mm ED Macro Manual Focus Lens | eBay