Microsoft Public Affiliate Program (JP)(マイクロソフトアフィリエイトプログラム)

M42 MOUNT SPIRAL: Som Berthiot Paris CINOR 25mm F1.4 RX (C-mount)

https://spiral-m42.blogspot.com/2021/10/som-berthiot-paris-cinor-25mm-f14-rx-c.html