Optical Instruments

Camera and the Focuser (05:28)

A discussion and demonstration of how a camera focuses on objects with varying distances from a camera lens to cast an image in focus on the image sensor.

The Human Eye (04:57)

Choosing appropriate lens to correct hyperopia or myopia based on the location of the image formed by the cornea using a model of the human eye.

The Magnifying Glass (06:35)

A discussion and demonstration for understanding the angular magnification calculation for a magnifying glass.

Multiple Lenses (10:29)

Procedure to calculate the image position for a multiple lens system

Dispersion (15:03)

Phenomenon of chromatic dispersion and how white light can be separated into colors through refraction