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Microscope
- 5. History of the Microscope 2
- 6. History of the Microscope • 1590 –first compound microscope 2
- 7. History of the Microscope • 1590 –first compound microscope 2
- 9. Microscope
- 10. Microscope One or more lens that makes an enlarged image of an object.
- 11. Microscope One or more lens that makes an enlarged image of an object.
- 12. History of the Microscope 4
- 13. History of the Microscope • 1655 – Robert Hooke used a compound microscope to observe pores in cork 4
- 14. History of the Microscope • 1655 – Robert Hooke used a compound microscope to observe pores in cork –He called them “cells” 4
- 15. 5
- 16. History of the Microscope 6
- 17. History of the Microscope • Antoine van Leeuwenhoek 6
- 18. History of the Microscope • Antoine van Leeuwenhoek –1st to see single-celled organisms in pond water 6
- 19. Microscope Vocabulary 7
- 20. Microscope Vocabulary • Magnification: increase of an object’s apparent size 7
- 21. Microscope Vocabulary • Magnification: increase of an object’s apparent size • Resolution: power to show details clearly 7
- 22. Microscope Vocabulary • Magnification: increase of an object’s apparent size • Resolution: power to show details clearly • Both are needed to see a clear image 7
- 25. Types of Microscopes • Simple
- 26. Types of Microscopes • Simple • Compound
- 27. Types of Microscopes • Simple • Compound • Stereoscopic
- 28. Types of Microscopes • Simple • Compound • Stereoscopic • Electron
- 31. Simple Microscope • Similar to a magnifying glass and has only one lens.
- 32. Simple Microscope • Similar to a magnifying glass and has only one lens.
- 33. Simple Microscope • Similar to a magnifying glass and has only one lens.
- 34. Simple Microscope • Similar to a magnifying glass and has only one lens.
- 37. Compound Microscope • Lets light pass through an object and then through two or more lenses.
- 38. Compound Microscope • Lets light pass through an object and then through two or more lenses.
- 39. Compound Microscope • Lets light pass through an object and then through two or more lenses.
- 40. Compound Microscope • Lets light pass through an object and then through two or more lenses.
- 41. Compound Microscope • Lets light pass through an object and then through two or more lenses.
- 42. Types of Microscopes 11
- 43. Types of Microscopes • 1. Compound Light Microscope 11
- 44. Types of Microscopes • 1. Compound Light Microscope –1 st type of microscope, most widely used 11
- 45. Types of Microscopes • 1. Compound Light Microscope –1 st type of microscope, most widely used –light passes through 2 lenses 11
- 46. Types of Microscopes • 1. Compound Light Microscope –1 st type of microscope, most widely used –light passes through 2 lenses –Can magnify up to 2000x 11
- 47. Ocular lens Objective lenses 12
- 50. Electron Microscope • Uses a magnetic field to bend beams of electrons ; instead of using lenses to bend beams of light.
- 51. Types of Microscopes 14
- 52. Types of Microscopes • 2. Electron Microscope 14
- 53. Types of Microscopes • 2. Electron Microscope –Used to observe VERY small objects: viruses, DNA, parts of cells 14
- 54. Types of Microscopes • 2. Electron Microscope –Used to observe VERY small objects: viruses, DNA, parts of cells –Uses beams of electrons rather than light 14
- 55. Types of Microscopes • 2. Electron Microscope –Used to observe VERY small objects: viruses, DNA, parts of cells –Uses beams of electrons rather than light –Much more powerful 14
- 56. Types of Microscopes 15
- 57. Types of Microscopes • Transmission Electron Microscope (TEM) 15
- 58. Types of Microscopes • Transmission Electron Microscope (TEM) –Can magnify up to 250,000x 15
- 59. 16
- 60. 17
- 61. 18
- 62. Types of Microscopes 19
- 63. Types of Microscopes • Scanning Electron Microscope (SEM) 19
- 64. Types of Microscopes • Scanning Electron Microscope (SEM) –Can magnify up to 100,000x 19
- 65. 20
- 66. 21
- 67. 22
- 70. Stereoscopic Microscope • Gives a three dimensional view of an object. (Examples: insects and leaves)
- 71. Stereoscopic Microscope • Gives a three dimensional view of an object. (Examples: insects and leaves)
- 72. Stereoscopic Microscope • Gives a three dimensional view of an object. (Examples: insects and leaves)
- 73. Stereoscopic Microscope • Gives a three dimensional view of an object. (Examples: insects and leaves)
- 74. 24
- 75. 25
- 77. A Lens
- 78. A Lens • Enlarges an image and bends the light toward your eye.
- 79. A Lens • Enlarges an image and bends the light toward your eye.
- 80. A Lens • Enlarges an image and bends the light toward your eye.
- 81. A Lens • Enlarges an image and bends the light toward your eye.
- 88. Usually has a power of 10 x
- 89. Eyepiece Lens Usually has a power of 10 x
- 91. Eyepiece Lens
- 92. Eyepiece Lens
- 93. Eyepiece Lens X
- 94. Eyepiece Lens X
- 95. Eyepiece Lens X Objective Lens
- 96. Eyepiece Lens X Objective Lens =
- 97. Eyepiece Lens X Objective Lens = Total Magnification
- 98. Objective Lenses
- 99. Objective Lenses
- 100. Objective Lenses
- 101. Objective Lenses Low Power = 4 x
- 102. Objective Lenses Low Power = 4 x
- 103. Objective Lenses Low Power = 4 x Medium Power = 10 x
- 104. Objective Lenses Low Power = 4 x Medium Power = 10 x
- 105. Objective Lenses Low Power = 4 x Medium Power = 10 x High Power = 40 x
- 106. Introduction to the Microscope Care Parts Focusing
- 107. 31
- 108. • Always carry with 2 hands 31
- 109. • Always carry with 2 hands • Only use lens paper for cleaning 31
- 110. • Always carry with 2 hands • Only use lens paper for cleaning • Do not force knobs 31
- 111. • Always carry with 2 hands • Only use lens paper for cleaning • Do not force knobs • Always store covered 31
- 112. • Always carry with 2 hands • Only use lens paper for cleaning • Do not force knobs • Always store covered • Keep objects clear of desk and cords 31
- 113. 32
- 114. Eyepiece 32
- 115. Eyepiece Body Tube 32
- 116. Eyepiece Body Tube Revolving Nosepiece 32
- 117. Eyepiece Body Tube Revolving Nosepiece Objective Lens 32
- 118. Eyepiece Body Tube Revolving Nosepiece Arm Objective Lens 32
- 119. Eyepiece Body Tube Revolving Nosepiece Arm Objective Lens Stage 32
- 120. Eyepiece Body Tube Revolving Nosepiece Arm Objective Lens Stage Stage Clips 32
- 121. Eyepiece Body Tube Revolving Nosepiece Arm Objective Lens Stage Stage Clips Coarse Focus 32
- 122. Eyepiece Body Tube Revolving Nosepiece Arm Objective Lens Stage Stage Clips Coarse Focus Fine Focus 32
- 123. Eyepiece Body Tube Revolving Nosepiece Arm Objective Lens Stage Stage Clips Coarse Focus Fine Focus Base 32
- 124. Eyepiece Body Tube Revolving Nosepiece Arm Objective Lens Stage Stage Clips Coarse Focus Diaphragm Fine Focus Base 32
- 125. Eyepiece Body Tube Revolving Nosepiece Arm Objective Lens Stage Stage Clips Coarse Focus Diaphragm Fine Focus Light Base 32
- 126. 33
- 127. 33
- 128. • Place the Slide on the Microscope 33
- 129. • Place the Slide on the Microscope • Use Stage Clips 33
- 130. • Place the Slide on the Microscope • Use Stage Clips • Click Nosepiece to the lowest (shortest) setting 33
- 131. • Place the Slide on the Microscope • Use Stage Clips • Click Nosepiece to the lowest (shortest) setting • Look into the Eyepiece 33
- 132. • Place the Slide on the Microscope • Use Stage Clips • Click Nosepiece to the lowest (shortest) setting • Look into the Eyepiece • Use the Coarse Focus 33
- 133. 34
- 134. • Follow steps to focus using low power 34
- 135. • Follow steps to focus using low power • Click the nosepiece to the longest objective 34
- 136. • Follow steps to focus using low power • Click the nosepiece to the longest objective • Do NOT use the Coarse Focusing Knob 34
- 137. • Follow steps to focus using low power • Click the nosepiece to the longest objective • Do NOT use the Coarse Focusing Knob • Use the Fine Focus Knob to bring the slide 34
- 138. • Follow steps to focus using low power • Click the nosepiece to the longest objective • Do NOT use the Coarse Focusing Knob • Use the Fine Focus Knob to bring the slide 34
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