How to Calculate Length of Terrestrial Telescope when Image Forms at Infinity?
Length of Terrestrial Telescope when Image Forms at Infinity calculator uses Length of Telescope = Focal Length of Objective+Focal Length of Eyepiece+4*Focal Length of Erecting lens to calculate the Length of Telescope, The Length of Terrestrial Telescope when Image Forms 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 Telescope is denoted by Ltelescope symbol.
How to calculate Length of Terrestrial Telescope when Image Forms at Infinity using this online calculator? To use this online calculator for Length of Terrestrial Telescope when Image Forms at Infinity, enter Focal Length of Objective (fo), Focal Length of Eyepiece (fe) & Focal Length of Erecting lens (f) and hit the calculate button. Here is how the Length of Terrestrial Telescope when Image Forms at Infinity calculation can be explained with given input values -> 11400 = 1+0.04+4*0.025.