prime focus Comparison Table

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prime focus comparison table

Subject has definition is a kind of

focus optical device

prime focus The focal point of the large primary reflecting mirror in astronomical telescopes when the light source is extremely distant. This focus actually falls at a point just within the upper structure of the telescope itself and is therefore accessible to CCD cameras and other instruments; it provides a large field of view. focus

Subject	has definition	is a kind of
focus		optical device
prime focus	The focal point of the large primary reflecting mirror in astronomical telescopes when the light source is extremely distant. This focus actually falls at a point just within the upper structure of the telescope itself and is therefore accessible to CCD cameras and other instruments; it provides a large field of view.	focus

Next focus: coudé focus Up: focus