If the lens is magnifying 10x, shouldn’t there be just 1/10 of the light reaching the eye?
In photography you compensate it with long exposure, but with live lenses?
In: 3
It is.
But the telescope is also larger than your eye, so it gather more light. If you compare two telescope of the same diameter with different magnifications (or simply swapping the eyepiece of one) you will see that the more magnification the darker it is.
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