Body Eyepiece Nosepiece Objective Lens (high) Objective Lens (Scan)
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Transcript of Lens
![Page 1: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/1.jpg)
Lenses
![Page 2: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/2.jpg)
What is a lens?
Curved piece of glass or other transparent material that is used to refract light
![Page 3: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/3.jpg)
What does the image depend on?
The size and shape of the lens
![Page 4: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/4.jpg)
What is a concave lens?
A lens that is thinner in the middle
It CAVES in…
![Page 5: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/5.jpg)
Picture time!
Focal Point
Image appears smaller but right side up
![Page 6: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/6.jpg)
Picture time!
![Page 7: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/7.jpg)
Picture time!
![Page 8: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/8.jpg)
Picture time!
![Page 9: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/9.jpg)
Animation time!
![Page 10: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/10.jpg)
What happens to the rays of light?
They spread out from a (VIRTUAL) focal point on the same side of the lens as the source
Image appears smaller
![Page 11: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/11.jpg)
What is a convex lens?
A lens that is thicken in the center than at the edges
VEX – EXit out…it curves out…
![Page 12: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/12.jpg)
Picture time!
Focal Point
Image appear upside down, larger or smaller depending on the distance from the focal point
![Page 13: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/13.jpg)
Picture time!
![Page 14: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/14.jpg)
Picture time!
![Page 15: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/15.jpg)
Picture time!
![Page 16: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/16.jpg)
Picture time!
![Page 17: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/17.jpg)
Animation time!
![Page 18: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/18.jpg)
What happens to the rays of light?
They focus to a point, then invert the image.
![Page 19: Lens](https://reader033.fdocuments.us/reader033/viewer/2022060202/559cb8351a28abe4558b45e1/html5/thumbnails/19.jpg)
Let’s Venn again!!!