Feel free to use the CCTV Field of View Calculator above for your own calculations. Alex, CCD Calculator does NOT show the field of view of the telescope optics. I want the field of view of the OPTICS, and that's not possible without knowing the *equivalent of* magnification. It can also be referred to as the angle of view or the angular field of view. To use this calculator, first work out the coverage for one dimension of the chip and then perform the calculation again for the other dimension. The size of the projected image given a certain focal length can be calculated by the following formula. Calculate CCD Field of View. H is the hyperfocal distance; f is the focal length; s is the focus distance; D n is the near DoF limit; D f is the far DoF limit; N is the f-number; c is the circle of confusion; Equivalent Lenses. Vignetting and field of view, coma, focal depth, thermal shift of focus. Don't try to tell me "magnification means nothing here". Used in a telescope with a 1000mm prime focal length, the magnification is 40x. The true field of view is therefore 1.25-degrees (50/40=1.25). The Field of View is the horizontal (or vertical or diagonal) length of the image at a given distance from the lens. Astrophotography and CCD calculator screenshot . Projected Image Size (mm) = angular size (arcseconds) * focal length (mm) / 205,714.0 For example an object 1800 arcseconds in diameter like the Moon in a telescope with a focal length of 1000mm will project an image of the Moon on the sensor 8.75mm in size. The field of view of a CCD camera is the amount of sky it covers through a telescope and is determined by the size of the CCD chip and the focal length of the telescope. The angular field of view is stated in horizontal and vertical degrees. In CCTV Field of View depends on a number of factors such as the sensor format, the focal length of a lens, and the distance from the objects. Depth of field and hyperfocal distances are calculated using the following formulas. It does what anyone else can do by hand, which is show the field of view of the CCD sensor. Filmmakers are usually interested in the Field of View at the distance where actors are standing.. The field of view (or FOV) is the total height and width of the view seen through the cctv security camera lens. Parameters for artificial star distance, roddier test, eyepiece projection. The right-hand diagram illustrates different Fields of View at different distances from the lens. A simplified calculation for 1/4-inch CCTV lens can be made using the following formula: W (horizontal width) = (distance) * 3.2 mm / (Lens Focal Length) The question is degrees of what?