<prompt> Translate the following text to EnglishKatika miaka ya 1960 na 1970, kampuni hiyo ilibadilisha rangi ya filamu yake ili ifanane na dhana ya Kijapani ya rangi ya ngozi na ninafahamu jinsi hiyo inavyoonekana, na pia ilibuni filamu ambayo inaweza kuendelezwa katika mwanga wa kawaida kwa sababu wapiga picha wachache wa Kijapani walikuwa na vyumba vya giza.  <response>: In the 1960s and 1970s, the company altered the tint of its film to correspond to Japanese notions of skin tone and I realize how weird that sounds, and also invented film that could be developed in normal light because so few Japanese photographers had darkrooms. 