http://chieftain-yu.livejournal.com/ ([identity profile] chieftain-yu.livejournal.com) wrote in [personal profile] burrru 2019-07-31 09:20 am (UTC)

Или камера-обскура.
Она тоже может давать наблюдать такой эффект при хорошем удалении объекта.
(42 comments)

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