http://foxcontra.livejournal.com/ ([identity profile] foxcontra.livejournal.com) wrote in [personal profile] timgud 2014-11-15 12:24 pm (UTC)

На каком "таком"? В том-то и дело, что расстояние от линзы до объекта, в зависимости от фокусного расстояния объектива, будет разное. Вы что, никогда в телескоп не смотрели?
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