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| RE: Field Of View
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Kip Crawford on July 4, 2000 19:42:31 UTC |
The amount of sky that you can view through a telescope is called the real (true) field of view and is measured in degrees of arc (angular field). The larger the field of view, the larger the area of the sky you can see. Angular field of view is calculated by dividing the power being used into the apparent field of view (in degrees) of the eyepiece being used. For example, if you were using an eyepiece with a 50 degree apparent field, and the power of the telescope with this eyepiece was 100x, then the field of view would be 0.5 degrees (50/100 = 0.5).
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