老殊 寫:Hi Blue Cat,
Are you using a D-SLR?
My experience is to use a body cap to drill a little hole and set the camera to manual mode (a D70) to allow shutter release w/o lenses attached.
老珠兄,您所說的是所謂的"針孔鏡頭"嗎?
可否請教一下,這樣子照的話,那 F 值應換算成多少?之前就有看過書上講這類的東西,只不過不知道要怎麼算曝光時間而作罷。