At what distance from the collecting lens you need to place the object to get the image: a) reduced;

At what distance from the collecting lens you need to place the object to get the image: a) reduced; b) equal to the subject; c) enlarged (straight and inverted)?

a) at a distance greater than double focal length; b) at a distance equal to the double focal length; c) enlarged forward – at a distance shorter than the focal length, enlarged inverted – at a distance less than the double focal length, but greater than the focal length.

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