I updated a few slides, with some important take aways:

A good analogy for ND or neutral density that I meant to share in class is that ND functions like sunglasses for the camera. These are real ND filters and they are neutral in color, so they shouldn't change your image's color. ND can be used in indoors and outdoors and they can help control exposure and depth of field.
One of the reasons you don't want to adjust shutter speed only for exposure is because you risk blurry motion if you don't set the shutter speed correctly with the frame rate you are shooting with. (Maybe you learned this in 9A too.) An easy rule to remember is your shutter is typically x2 your frame rate (24 frames per second = 48 shutter speed; 30 fps = 60 fps)
I'm looking into a Gain - ISO conversion for this camera. But here's a conversion of gain into f-stop change as a guide. But remember gain increases noise in your picture, so it's best to try to light a low-lit environment, if you have an option to do so!

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