Mark Gavin

Mark Gavin

I am Chief Technology Officer at Appligent
Photography Website and Blog

I started taking pictures in the 60's with my mothers Kodak Duaflex camera. I still enjoy using the Duaflex; but, today most of my work is digital.

My Pinhole Optics Designer web application for designing Pinholes, Zone Plates, Photon Sieves and Pinhole Sieves can be found at



Lansdowne Pennsylvania USA