Focal Length Calculator - Lens Minimum Focusing Distance

This calculator computes the required focal length to take a picture of an object from the given distance in order to generate an image fitting on your camera sensor size.

Focal Length Calculator

Object size:	mm
Image size:	Select 1/4" 3.6 1/3" 4.8 1/2" 6.4 2/3" 8.8 1" 12.8 mm
Object distance:	m
Magnification:	x
Focal length:	mm
Angle of view:	°

Related Calculator:

• Magnification Calculator

Magnification Calculator | Microscope Telescope Optical Image

Online Total Light Magnification Calculation is used to calculate Total Magnification light Distance for Camera Lense, Electron Microscopes, biconvex convex, double convex, equiconvex, biconcave, concave, plano-convex, plano-concave, convex-concave, meniscus, scanning tunneling microscope, Telescope, Electron Microscopes optical image compound scanning, binocular, eyepiece and more lenses.

The magnification M of an image is the ratio of the height of the image to the height of the object. The magnification factor M of a lens is always positive.

Formula : Magnification = Height of Image / Height of Object

Height of Object (H_o) : cm

 Height of Image (H_i) : cm

           Magnification : cm

                                  

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