Macro-lens for your cellphone camera
Here is a fun evening project: making a macro-lens for your cellphone camera. I stumbled upon this post at diyphotography.net, where the author takes the lens from an old DVD drive and fixes it over his cellphone’s camera to get very interesting, very macro pictures. I remembered that I had a disassembled laptop drive from an abandoned laser salvage project (I decided that if I must loose my vision playing with lasers, I might as well save up and lose it to a 40Watt CO2 laser). The lens was removed by crushing one side of the housing that held it. I then used a ring of kneaded eraser to affix the lens to the cellphone.
It was difficult focusing on a subject at this “zoom” level. Even the slight movement of pressing the “take picture” button was enough to ruin most of the shots. Lighting was also a problem. Since there was typically only a very small gap of space between the subject and the cellphone, the light had trouble reaching the region of interest. With a little patience, however, I was able to take the following:
Tags: Hardware hacking, photography