MS Optics has developed the Sonnetar 73mm F1.5 FMC, a lightweight lens made for portraits: Digital Photography Review,楽天市場】【日本宮崎2018新作】MS-Optical/宮崎光学 Sonnetar 73mm F1.5 F-MC S シルバーレンズ#JP7315S : ブレゲカメラ,MS Optics Sonnetar 73mm f1.5(宮崎光学)のレビュー | Ichiro Photography,宮崎光学 MS-OPTICS SONNETAR 73mm F1.5 | with photograph,Ms-optics SONNETAR 73mm – Shige's hobby,