![First and Second Focal Plane Scopes – How They Differ - MTC Optics - Designed By Shooters - For Shooters First and Second Focal Plane Scopes – How They Differ - MTC Optics - Designed By Shooters - For Shooters](https://mtcoptics.com/wp-content/uploads/2021/11/First-Focal-Plane.jpg)
First and Second Focal Plane Scopes – How They Differ - MTC Optics - Designed By Shooters - For Shooters
The focal length of a convex lens is f an object is placed at a distance x from the first focal point .Find the ratio of the distance of the real image
![Define the term principal foci of a convex lens and illustrate your answer with the aid of proper diagrams. Define the term principal foci of a convex lens and illustrate your answer with the aid of proper diagrams.](https://haygot.s3.amazonaws.com/questions/1706134_1804771_ans_15eeefa8ee9540bcaec9f7017ffa7664.png)