F-Number - Shutter Speed - ISO - Lens

Challenge series hosted by athlondj, Lux16. Challenges start on Fridays.
ach challenge is marked with a name that identifies or the F-Number, or shutter speed or ISO speed with which the photos to include in the contest must be shot. Some contests may require a particular combination of F-Stop, shutter speed and ISO speed. Others, may require to insert a photo already seen in other contests but with different values of F-number, shutter speed and ISO speed. So attention to the Exif data and have a good time!
Finished (6 challenges)
Entries: 58
Winners announced: 4th March, 2011 GMT
Winner: Stairs
Show Us your Best Photos taken with a Canon 5D Mark II. Please see additional rules.
Entries: 47
Winners announced: 18th February, 2011 GMT
Winner: reflexion of thousand light
Show Us your Best Photos taken with a Nikon D700. Please see additional rules.
Entries: 24
Winners announced: 19th November, 2010 GMT
Winner: Ballet
Anything Goes but ISO speed must be 12800 ISO or More. Please see additional rules...
Entries: 44
Winners announced: 29th October, 2010 GMT
Winner: Recently left the nest
Anything Goes but ISO speed must be 6400 ISO. Please see additional rules...
Entries: 77
Winners announced: 15th October, 2010 GMT
Winner: Wellness area
Anything Goes but ISO speed must be 3200 ISO. Please see additional rules...
Entries: 69
Winners announced: 10th September, 2010 GMT
Winner: Boston At Night
Has you ever seen photos of light in the night at small aperture?! There's a star for every single point of light. This is the challenge for this special effect. No effect made with post-processing or hardware filters. Please see additional rules...