ツイート 妄想エクスポウジア @fantasyexposure Competition rumors: Nikon FF mirrorless on August 23 and Canon mirrorless (FF?) on September 4: Sony A7 vs Nikon Fu… https://t.co/Tt4kW8hXZX 22:48 妄想エクスポウジア @fantasyexposure Good news f…