But my friend tells me that 35mm cameras are the best.

但我的朋友告诉我35毫米相机最好。

That photo program went from 12 students to 35 students because now everyone's carrying a 35mm camera and printing in the darkroom.

摄影课程从 12 名学生增加到 35 名学生，因为现在每个人都带着 35 毫米镜头，在暗房里冲印。