ツイート 妄想エクスポウジア @fantasyexposure New bunch of Tamron f/2.0 primes patents: A japanese patent disclosed the specs of a bunch of f/2.0 primes: 20mm f/… https://t.co/oZbL6WrL4x 21:19 妄想エクスポウジア @fantasyexposure コシナが近…