K100d flowers Sigma 18-50mm 2.8 EX DC Macro Parks Olympus E-PL1 Macro SMC FA 50mm 1.4 Pentax Optio 750Z Minolta MC 55mm f/1.7 35mm K1000 Pentax MZ-3 B&W Beach Olympus XZ-1 Zuiko 17mm PENTAX K-50 Peter Winter