7-Day Photo a Day Streak
Take one thoughtful photo every day for a week with any camera or phone. Check in once a day.
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Tech · Facts & stats · iChallenge network
Daily facts and stats about cameras and photography, plus real challenges to put them to work.
The camera obscura, an ancestor of the camera, gets its name from Latin for what?
Camera obscura means 'dark chamber'; light through a small hole projects an image inside.

One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Take one thoughtful photo every day for a week with any camera or phone. Check in once a day.
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Make a pinhole viewer from a box or can and paper, then post a short write-up of the upside-down image you saw.
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Each day, take one photo using a different composition idea, like the rule of thirds or leading lines. Check in daily.
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Photograph the same scene in morning, midday and evening light and post a link to the three photos.
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Live counts from CamChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on CamChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
Play today's quiz round, post your score, and start a streak.
XP, levels, streaks and badges. Save your progress with an email and it follows you to every arena on the iChallenge network.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.