![Lenses. 3 camera obscura / pinhole camera 3 Focal length is the distance between the lens and the point where the light rays converge. It controls. - ppt download Lenses. 3 camera obscura / pinhole camera 3 Focal length is the distance between the lens and the point where the light rays converge. It controls. - ppt download](https://images.slideplayer.com/33/7500210/slides/slide_2.jpg)
Lenses. 3 camera obscura / pinhole camera 3 Focal length is the distance between the lens and the point where the light rays converge. It controls. - ppt download
![flashman on X: "DIY Sunday: simple camera obscura with SLR lens, baking paper, coffee cup, cardboard and electrical tape. https://t.co/pKtSthJyDX" / X flashman on X: "DIY Sunday: simple camera obscura with SLR lens, baking paper, coffee cup, cardboard and electrical tape. https://t.co/pKtSthJyDX" / X](https://pbs.twimg.com/media/C6sYq64V0AAq8Vx.jpg:large)
flashman on X: "DIY Sunday: simple camera obscura with SLR lens, baking paper, coffee cup, cardboard and electrical tape. https://t.co/pKtSthJyDX" / X
![This oversized peephole on this door uses camera obscura instead of a traditional lens. : r/mildlyinteresting This oversized peephole on this door uses camera obscura instead of a traditional lens. : r/mildlyinteresting](https://i.redd.it/wp83p9jk78u11.jpg)