WHAT'S NEW 2017.7.19 NEWS Release of “TSN-553 PROMINAR, TSN-554 PROMINAR” 2017.7.19 NEWS Release of “TSN-501, TSN-502” 2017.3.28 NEWS April 3 is Four Thirds’ Day: A Day to Share the Joy of Photography. Acceptance period: Monday April 3 – Tuesday April 25 /JST