Telescopes

1
Telescopes

• Collect more light than eye
• More detailed images than human eye
• Larger aperture is better
• Aperture refers to the diameter of the primary
  lens or mirror of telescope
• Magnification is useless withoutsensitivity and
  resolution are crucial

2
Refractor Telescope
3
Reflector Telescope
4
Reflectors
5
Sensitivity

• Compound Mirror