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@today automatically stamps your notes with today's date. Fill in the topic of the lecture or class. Then use the Cornell Notes structure below. Click the + New Notes button above to automatically generate a fresh set of notes in this format.

Date: October 5, 2019

Topic:

Recall

Compound Lenses

Vignetting(光晕)

Chromatic Aberration 色差

Geometric Distortion

Notes

![<https://s3-us-west-2.amazonaws.com/secure.notion-static.com/95e71658-d8ad-4d6b-8d5d-9cf0f2a81ede/Screen_Shot_2021-04-08_at_5.57.04_PM.png>](<https://s3-us-west-2.amazonaws.com/secure.notion-static.com/95e71658-d8ad-4d6b-8d5d-9cf0f2a81ede/Screen_Shot_2021-04-08_at_5.57.04_PM.png>)

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/674869e3-0cc2-4220-8785-f80771b2f11e/Screen_Shot_2021-04-08_at_6.00.02_PM.png

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/7c81fdaf-175e-4ab5-b30f-972b8a37b75e/Screen_Shot_2021-04-08_at_6.01.17_PM.png

Refractive index (and hence focal length) of lens is different for different wavelengths.

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/154e9ea5-9cb2-4114-9ba1-9ea65936c0ea/Screen_Shot_2021-04-08_at_6.02.44_PM.png

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/b30b7c2f-9a23-43c3-82cf-84c96bc98828/Screen_Shot_2021-04-08_at_6.04.28_PM.png

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/78dbb006-42c8-4906-b6b4-7c2842894d95/Screen_Shot_2021-04-08_at_6.05.29_PM.png

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