此鏡頭是生產於1925 年 6 月 9 日德國 Astro-Berlin Pan-Tachar 40mm F1.8 電影鏡,使用徠卡原裝配件改裝此鏡並重新調整黃斑對焦系統
This lens is a German Astro-Berlin Pan-Tachar 40mm F1.8 cinema lens manufactured on June 9, 1925. Modified this lens using original Leica accessories and recalibrated the rangefinder focusing system.