The Echo Labs wooden microscope, with resolution test target on the stage. The phone sits on top, with the camera looking through the lens.
At ASCB, Echo Labs was giving out laser cut wooden microscopes that use a cell phone as the camera to promote their new microscope.
I’ve been curious for a while about how high the resolution achievable with a consumer phone or camera would be, so I took some pictures of a resolution test target with my iPhone 5 alone, and using the wooden microscope. I used a USAF 1951 resolution target, available from Thorlabs. To get images without compression artifacts, you need to use a camera program that can save lossless images, rather than the JPEG compressed images that the iPhone generates by default. I used Camera+, but there are others. I then took pictures with and without the wooden scope. Continue reading