【實用書籍app】Telescope Calculator|最夯免費app

Telescope Calculator is a handy astronomy calculator for the amateur astronomer and telescope user for Android.

Enter basic information about your telescope objective (diameter and focal length), and eyepiece (focal length and apparent field angle) and key viewing information is reported:

- Resulting Magnification

- True Field, angle of sky seen through the eyepiece

- Field Transit Time, time for object to cross field in eyepiece

- Exit Pupil, size of virtual aperture that must be smaller than your own eye’s pupil

- Resolving Power, angular resolution

- Power Per Inch of Aperture

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(Keywords: Astronomy, space, stars, telescope, sky)

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