As many of you know, April 24th, 2016 was Worldwide Pinhole Photography Day (WPPD). I am not a professed pinhole professional, but I have this Ondu pinhole that I have used a few times and I thought I would take her out for a spin again.
A nice review of a time-proven system, along with some useful tips for purchasing and maintaining you growing collection: The Olympus OM-Single digit system.
