Vancouver 4/20 Protest at Sunset Beach. The 4.1 billion pixel image is composed of 494 individual photos taken on April 20, 2016. It was captured using a Canon 5D MKII, Canon EF 500mm f/4L IS II USM lens and a GigaPan EPIC Pro. The final hi-res file is 133,644 x 30,830 or 4,120 megapixels.