What is "Holga"

This is wikipedia's take on Holga camera's and lenes.

http://en.wikipedia.org/wiki/Holga

This is where I bought one for my Olympus PEN camera.

http://shop.holgadirect.com/collections/digital-holga-for-olympus-pen/products/holga-pinhole-lens-for-olympus-pen-cameras-hpl-op

These are photo's taken with an my Olympus E-PL3 camera and a plastic Holga lens.

25mm F/8 ISO200 1/80

25mm F/8 ISO200 1/20

25mm F/8 ISO200 1/50

25mm F/8 ISO200 1/50