Make: Volume 91

PROJECTS: Walk-in Camera Obscura

• Make the installation more permanent by

building the lens into a quickly-deployable

roller blind or window shutters.

• Stack a few 0.25 dpt lenses together to focus

on objects closer or further away. Diopters

simply add together, for example, two thin 0.25

dpt lenses stacked together will give a 0.5 dpt

magnification.

• Take photos of the resulting images. I like the

way projected clouds appear to roll across the

radiator and furniture in my bedroom.

OUTSIDE, INSIDE, UPSIDE DOWN

Ready? Switch off the lights outside and inside

your camera room. Go in, let your eyes adjust

to the dark, and you should see an image ...