How to Calculate Length of a terrestrial telescope when image is formed at infinity?
Length of a terrestrial telescope when image is formed at infinity calculator uses Length of the telescope=Focal length of the objective+Focal length of an eyepiece+4*Focal length of the erecting lens to calculate the Length of the telescope, The length of a terrestrial telescope when image is formed at infinity is the sum of the focal length of the objective lens, the focal length of the eye-piece lens, and the focal length of the lens placed between objective and eye-piece. Length of the telescope and is denoted by L symbol.
How to calculate Length of a terrestrial telescope when image is formed at infinity using this online calculator? To use this online calculator for Length of a terrestrial telescope when image is formed at infinity, enter Focal length of an eyepiece (f_{e}), Focal length of the objective (f_{o}) and Focal length of the erecting lens (f) and hit the calculate button. Here is how the Length of a terrestrial telescope when image is formed at infinity calculation can be explained with given input values -> 12 = 0.02+0.02+4*0.02.