Magnifying Glass

Yes, if used incorrectly or with improper safety precautions, a magnifying glass can cause eye strain or even start a fire if focused on flammable materials for too long.

To calculate focal length with a reducer, you simply multiply the native focal length by the reduction factor. For your 600mm with a .85 reducer, the new focal length would be 510mm (600*0.85) and for you 715mm and .79 reducer, ~565mm (715*0.79).

The optimal distance can vary depending on the strength of the magnifying glass, but typically it is best to hold it about 2-3 inches away from the object.

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I wondered if any of you kind people could tell me how to calculate the focal length of a telescope using a focal reducer ? ...I.e native focal length 600mm and a .85 reducer and 715mm using a .79 reducer ...just struggling to get apt to plate solve and I think it maybe because I have the telescope native focal length entered instead of the focal length while using a reducer.

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A magnifying glass typically has a single convex lens, while a microscope has multiple lenses and a more complex system for magnifying objects.

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2021324 — A microscope is an instrument used for looking at objects that cannot be seen with the naked eye and microscopy is the science of using a microscope.

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Yes, a magnifying glass can make objects appear larger than they actually are by bending and magnifying the light rays that pass through it.

Two major lens components—the objective lens and the ocular lens, or eyepiece—work together to project the image of the specimen onto a sensor. This may be the ...