部80d觀景窗望出去有塵,諗住自己搞。
用air blower 唔得再用埋個除塵掃,點知搞完仲衰。
寄返廠先知原來整花左個對焦屏
再上網查下先知原來對焦屏好脆弱,最好避免任何接觸
Why to never touch that focusing screen:
https://www.google.co.uk/amp/s/thefoxtakespictures.com/2015/08/31/why-to-never-touch-that-focusing-screen/amp/