RICOH GR III f/2.8 1/1250sec ISO-200 18.3mmRICOH GR III f/2.8 1/50sec ISO-200 18.3mmRICOH GR III f/2.8 1/160sec ISO-4000 18.3mmRICOH GR III f/2.8 1/160sec ISO-800 18.3mmRICOH GR III f/2.8 1/1000sec ISO-2500 18.3mmRICOH GR III f/2.8 1/1250sec ISO-400 18.3mmRICOH GR III f/2.8 1/160sec ISO-4000 18.3mm