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  • Writer's pictureNicole Pollard

March 13th & 14th

1. Spitball-


2. Shooting in P Mode (Programmed Automatic Settings)/Exposure Triangle-


OBJECTIVE: STUDENTS WILL UNDERSTAND HOW APERTURE, SHUTTER SPEED AND ISO AFFECT EXPOSURE.

What is exposure?

In the simplest terms, exposure is: “is the total amount of light allowed to fall on the photographic medium during the process of taking a photograph. When you think of the craft or art of photography, you must immediately think of exposure. Exposure is a critical element that determines what is actually recorded on film or the image sensor.

TOO MUCH LIGHT WILL "OVEREXPOSE" YOUR IMAGE, TOO LITTLE LIGHT WILL "UNDEREXPOSE"



WHAT DETERMINES EXPOSURE?

The "Exposure Triangle"




1.) F-Stop (Aperture):The size of the opening that the light passes through



2.) Shutter Speed: The length of time that the sensor is exposed to light





3.) ISO:The sensitivity of the sensor


When taking a photo, it is important that you consider all three parts of the exposure triangle (aperture, shutter speed and ISO) in order to get a correct exposure. Each setting should balance each other out to achieve just the right amount of light. For example: Let's say you are photographing a sports game, where there are fast moving subjects. You know that you will need to set your shutter speed to a fast speed in order to freeze the action. However, faster shutter speeds let less light in, which could be a problem if there is not a lot of light available. To balance the fast shutter speed, you would then use a wide aperture (smaller f-stop) in order to allow more light into your camera. Usually, you want to leave your ISO as low as possible (100) and only raise it if absolutely necessary. Otherwise, you'll experience noise in your photo.




3. Shooting in Manual and Program Mode


On Manual mode, choose a subject and a location on campus (the stairwell works well). Shoot the same photo seven times. Adjusting the ISO/shutter speed/and aperture.


4. NAHS Pamphlet Project/ NAHS Logo


Log in to PIXLR.

Go to Create NEW/Photo/10x*

Use a transparent background

Create a Northridge Academy High School Logo using pngaaa, vecteezy, and all of the tools in Pixlr that you're familiar with, especially the text tool.

Save your logo creation and submit to schoology.

You'll be adding this to a pamphlet you'll create later this week.




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