Photographer 3D Printed a 300mm Extension Tube for 5X Macro Photos

Photographer Nicholas Sherlock—whose impressive 3D-printed DIY creations have appeared on PetaPixel before—is at it again. This time, he’s created a fully-functional 300mm extension tube, complete with contacts for aperture control and autofocus, so that he can go out and shoot insane 5x macro photos.