Oxidation (Capture date and size rule) Please read all...
Challenge has finished
We can't live without it, but oxygen is also a destroyer of many things. Show us a photo that captures this process. It can be a Apple turning brown of an old rusty pickup.
Show full rules
Tuesday, 24th April, 2012 (GMT)
Tuesday, 1st May, 2012 – Monday, 7th May, 2012 (GMT)
Tuesday, 8th May, 2012 – Monday, 14th May, 2012 (GMT)
Capture date rules:
Maximum number of entries per user:
Maximum number of entries in challenge:
p previous n next c challenge f full size r retract vote # vote
Most popular cameras
In-depth testingLatest Camera ReviewsBeyond the studio testsFeature Articles and VideosPIX VideosTalks, demos and panels689The Canon that canCanon EOS 80D Review364Touchscreen street shooterFujifilm X70 Review2133Upwardly mobileSony a6300 Review323Power ZoomPanasonic Lumix ZS100/TZ100 Review2489Retro through-and-throughFujifilm X-Pro2 ReviewTwice as Nice?Canon EOS 7D Mark II ReviewKirkjufell mountainBehind the Shot: Shredded2185FeatureWhat is equivalence?Return of the Super Rebel?Canon EOS Rebel T6s Review109Bag ReviewDomke Chronicle: A classic reinvented?Ready, SteadySony Alpha 7 II Review377You'll be impressedShootout: Tamron 15-30 F2.8 vs. Nikon 14-24 F2.8540ArticlePanasonic Lumix DMC-GX8 reviewrock steadyOlympus OM-D E-M5 II Review712Mono a monoLeica Monochrom (Typ 246) hands-on2159Playing the Ace?Sony Alpha 7R II Review174Super Zoom? Tamron 150-600mm F5-6.3 Field Test