Canon EF 50mm f/1.8 STM - Tuttle Cameras。Canon, EF 50mm f/1.8 STM Camera Lens, Black, 50mm, Full-Frame。Canon RF50mm F1.8 STM Standard Prime Lens for EOS R Series Cameras。Canon EF 50mm f/1.8 STM Lens in ORIGINAL RETAIL BOX 718174984698| eBay。結構前に購入したのですが使用回数は数回程度でした