Вопросы о Pentax SMC DA 16-45mm f/4.0 ED/AL

SMC DA 16-50mm f/2.8 ED AL (IF) SDM • SMC DA 40mm f/2.8 • SMC FA 43mm f/1.9 • SMC DA 50-200mm f/4.0-5.6 ED • SMC DA 10-17mm f/3.5-4.5 ED (IF) Fish-Eye • SMC DA 12-24mm f/4 ED AL(IF) • SMC DA 15mm f/4 AL Limited • SMC DA 17-70mm f/4 AL (IF) SDM • SMC DA 18-55mm f/3.5-5.6 • SMC DA 21mm f/3.2 AL • SMC DA 55-300mm f/4.0-5.8ED • SMC DA 55mm f1.4 SDM • SMC DA 70mm f/2.4 Limited • SMC FA 20-35mm f/4.0 AL • SMC FA 31mm f/1.8 • SMC FA 50mm f/1.4 • SMC FA 77mm f/1.8 • SMC FA Macro 100mm f/2.8 • SMC FA Macro 50mm f/2.8