smc PENTAX-A* 85mm f/1.4 鏡片清潔、對焦環光圈環清潔調整 Cleaning glasses, Focusing ring & aperture ring CLA

這支 smc PENTAX-A* 85mm f/1.4 鏡片入塵嚴重，需要清理！
對焦環轉動不順，需要重新潤滑。另外，光圈環轉動也不順，經過清潔之後，轉動手感恢復順暢。

This smc PENTAX-A* 85mm f/1.4 got a heavy dust inside the lens elements, need a cleaning.
The focusing ring turns un-smoothly, need cleaning and re-lubricating. The aperture-ring also works not so smooth, the gap between the aperture ring and its' docking lens tube need a cleaning.