LEICA SUMMILUX-M 35mm f/1.4 ASPH. FLE #11663 對焦螺紋清洗潤滑 移焦調整校正 Cleaning focus helicoids, Adjusting focus shift

這支 LEICA SUMMILUX-M 35mm f/1.4 ASPH. FLE #11663 的對焦環轉動不順暢，而且連動對焦有移焦的問題。 將對焦機構拆解 清洗對焦螺紋後，再上新的潤滑油脂。 另外，在組裝過程中，透過反覆的調整與校正，將連動對焦移焦的問題解決

There were two problems with this LEICA SUMMILUX-M 35mm f/1.4 ASPH. FLE v.1 #11663~

1. focus ring did not work smoothly. By taking apart the focus helicoids and made a thoroughly cleaning then applying new grease to bring it back to best working condition.
2. This lens had focus shift. The problem can be fully restored by repeatedly adjusting and calibrating the focus structure during the assembling process.