If you're chasing an artsy look for your images, Lensbaby's Optic Swap system is a fine place to start. From the Composer Pro II to the Sweet 50, these are the best housing and lens options ...

This study introduces a 0.8 mm thick variable aperture mechanism driven by a micro flat motor. The motor incorporates an 80 poles ring magnet, magnetized using a laser-assisted local heating method, ...