http://www.tabloidcolumn.com/worlds-largest-digital-photo.html"Technical details
Facts and figures about the gigapixel image:
· Number of pixels in final image: 2,487,227,305 (2.5 gigapixel)
· Final image file format: 24-bit colour bitmap
· Final image file size: 7.5 GBytes
· Number of source images: 600
· Number of pixels in source images: 3,537,408,000 (600 images * 3008*1960)
· Lens focal length: 400 mm (equivalent to 600 mm on a 35 mm camera)
· Aperture: F22, Shutter speed: 1/100, ISO: 125
· Horizontal field of view of final image: 93 degrees
· Time required to capture component images: 1 hour and 12 minutes
· Time required to match overlapping images: 20 hours
· Time required to optimise project: 4 hours
· Time required to compose the image: 3 full days using 5 high-end PCs
· Time required to blend seams / correct misalignments / finalize image: 2 days"
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