![The value of the focal length of the lens is equal to the value of the image distance when rays are (A) Passing through optical center(B) Parallel to the principal axis.(C) Passing The value of the focal length of the lens is equal to the value of the image distance when rays are (A) Passing through optical center(B) Parallel to the principal axis.(C) Passing](https://www.vedantu.com/question-sets/5e1c89c0-8591-4536-944d-fabfebe37bbe5538049956207025842.png)
The value of the focal length of the lens is equal to the value of the image distance when rays are (A) Passing through optical center(B) Parallel to the principal axis.(C) Passing
![How to choose the correct CO2 focusing lens for my application? | BesCutter Laser Cutters and Printers How to choose the correct CO2 focusing lens for my application? | BesCutter Laser Cutters and Printers](https://cdn.shopify.com/s/files/1/1366/0335/files/lente.png?v=1579115811)
How to choose the correct CO2 focusing lens for my application? | BesCutter Laser Cutters and Printers
![File:Object placed between focal point and centre of curvature - convex lens.png - Wikimedia Commons File:Object placed between focal point and centre of curvature - convex lens.png - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/b/b4/Object_placed_between_focal_point_and_centre_of_curvature_-_convex_lens.png)