老底片的清洁 | Cleaning old negatives
28:21
电阻是如何工作的 - 电阻工作原理解密
3:58
How To Clean Mouldy Slides
29:18
Tips for Cleaning Dust on Film Scans
13:11
How to clean your Film Negatives… How do you Clean yours?
13:16
55年未冲洗的3200卷胶卷 ｜ 3200 rolls of undeveloped film
16:26
如何在家里冲洗彩色胶卷 | Color Negative Film Developing | C-41 and CN-16 | Experience Sharing | 经验分享-1
16:05
揭秘胶卷冲洗、照片放大传统黑白暗房工艺：原来这么毒 18集
8:10