Pentax Optio RS1500: ISO100
Pentax Optio RS1500: ISO200
Pentax Optio RS1500: ISO400
Pentax Optio RS1500: ISO800
Pentax Optio RS1500: ISO1600
Pentax Optio RS1500: ISO3200
Pentax Optio RS1500: ISO6400
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Pentax Optio RS1500: ISO100
Pentax Optio RS1500: ISO200
Pentax Optio RS1500: ISO400
Pentax Optio RS1500: ISO800
Pentax Optio RS1500: ISO1600
Pentax Optio RS1500: ISO3200
Pentax Optio RS1500: ISO6400