Lesson 4. Optical Technology.

Optical devices that produce magnified images of distant objects by using a lens or a concave mirror to gather light.

• Microscope

• Telescope

• Mirror

• Laser

A telescope that uses LENSES to gather and focus light from distant objects.

• Refracting telescope

• Longitudinal microscope

• Reflecting telescope

• Plane mirror

A telescope that uses a MIRROR to gather and focus light from distant objects.

• Longitudinal telescope

• Yonsei telescope

• Reflecting telescope

• Refracting telescope

An optical device that forms magnified images of very small, close objects.

• Refracting telescope

• Telescope

• Microscope

• Reflecting telescope

Which are examples of Optical Devices? Check all that apply

• Optical fibers

• Microscopes

• Cameras

• Laser

• Holograms

Any instrument or object used to produce or control light.

• Telescope

• Microscope

• Optical device

• Hologram