The focal length calculator is a simple tool that facilitates the process of computing the magnification, focal length, and angle of view. Taking a picture of an object from a distance might be challenging — we'll help you find the right focal length to create an image that perfectly fits...
This calculator determines the focal length required to image a target at a specified field of view and working distance. To run, select the size of
The equation holds for paraxial rays, not too far from the symmetry axis. Calculator for Focal Length of a Lens Refractive index: Radius 1: (0 = no curvature) Radius 2: (0 = no curvature) Thickness: Focal length: calc Enter input values with units, where appropriate. After you have...
In case of a stereo camera, such as our Karmin3 3D stereo camera, the calculator also helps you selecting the baseline distance and it provides information on the expected depth error. You have several options for determining the focal length: you can enter the focal length manually, specify ...
This calculator allows you to calculate the 35mm equivalent Focal Length for digital camera at specific sensor size. Focal Length and Angle of view. The focal length of the lens is the distance between the lens and the image sensor when the subject is in focus, usually stated in millimeters...
A good way to learn more about this topic is to plug your own numbers into the Depth of Field Calculator at DOFMaster. I often hear wildlife photographers singing the praises of the high FOVCF (1.3x, 1.6x) DSLRs. They like that they can achieve tight subject framing from a longer ...
The Field of View W×H dimensions vary with aspect ratio, but "same Field of View" here means the image diagonal is the same dimension (the lens image circle is the same size.) Using this 3rd calculator for Equivalent Focal Length, you can: ...
2) Angle of view : if you consider A the angle of view, then, tan(A/2) = I/2F where I is the image size, either height or width and F the focal length. so, when you have I and F, calculate I/2f = tan(A/2), let's say, the result is R, make sure your calculato...
In order to avoid tangential explanations, I understand sampling/focal length to pixel size best practices, etc. This is not what I am asking about. There is a relationship between focalratioand linear FWHM. There is a calculator here:https://www.astropix...ators.html#fwld ...
For a simple, thin convex lens, the focal length is the distance from the back surface of the lens to the plane of the image formed of an object placed infinitely far in front of the lens. From this definition, it can be shown that the AFOV of a lens is related to the ...