If anyone is looking, there is a Pentax Adapter B (pk To S), M42-PK at Adorama for US $18.http://www.adorama.com/US%20%20%20%20519865.htmlThere is an EX+ Tamron 18-250 Xrdi-ii Ld F/pxaf at Adorama for US $299.http://www.adorama.com/US%20%20%20%20517546.htmlThere is an EX+ Pentax 50-135 F2.8 SMC DA ED INTERNAL FOCUS SDM at KEH for US $751.http://www.keh.com/camera/Pentax-Digital-Zoom-Lenses/1/sku-DP07999102697N?r=FECheers.Ron

brandrxwrote:If anyone is looking, there is a Pentax Adapter B (pk To S), M42-PK at Adorama for US $18.http://www.adorama.com/US%20%20%20%20519865.htmlThe Pentax Adapter B is now gone. Someone got a very good deal IMO.Ron