Understanding Camera

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PowerPoint Presentation:

Understanding Camera 1

Construction and Working of a camera :

Construction and Working of a camera 2

Camera Body:

Camera Body 3

Working ..:

Working .. Light passes through the lens and strikes a mirror (green) The mirror reflects the light up to a focusing screen Light passes through the focusing screen and enters a block of glass called a pentaprism (orange) The pentaprism reflects the image so that you can see it in the viewfinder When you take a photo, the mirror flips up and a shutter opens that exposes the digital sensor to light your SENSOR. 4

Components of the Camera:

Components of the Camera All still cameras have the same general components, but the design and arrangement of these components distinguish one type of camera from another and make them especially suited to specific uses. 5

Components of the Camera:

Components of the Camera 6

Components of the Camera:

Components of the Camera 7

The Lens:

The Lens Before the image makes it to the film or digital sensor in your camera, it has to travel through the lens. Choosing the right lens for the task can become a complex trade-off between cost, size, weight, lens speed and image quality. 8

The Shutter:

The Shutter A shutter is a device that allows light to pass for a determined period of time for the purpose of exposing light sensitive electronic sensor to light to capture a permanent image. 9

The Shutter:

The Shutter A properly exposed picture results from successfully controlling the amount of light that reaches the film or digital sensor. 10 The shutter also gives the photographer control of the type of image he wants to shoot. A slower shutter speed and the technique known as "panning" will create an image that displays movement.

The Sensor:

The Sensor Once the image travels through the lens and the shutter, it eventually arrives at the film plane or a digital sensor. Film is still used today, although not nearly as much as previously. 11

Viewfinder:

Viewfinder Camera viewfinder or LCD display to allow image composition; this may be a separate device or simply a ground glass at the film plane for film camera that can be removed or displaced for insertion of the film holder. 12

Microphone:

Microphone Most digital camera will also record video clips, because of this, a microphone is built into the camera to record the sound during the video. Most of these microphones are almost undetectable. They are normally covered up with a hole or a design with holes to the sound to enter the camera. 13

Camera Modes:

Camera Modes Automatic Mode Program Mode Shutter Speed Priority Aperture Priority Manual Mode Scene Modes 14

Automatic Mode:

Automatic Mode Use it when: you are just getting started and are focusing on making lots of photos. In automatic mode, the camera is going to pick all of your settings for you. This is an easy mode, and is the most common choice of beginners not concerned with settings. It will likely even pop up the flash for you when needed! 15

Program Mode:

Program Mode A step up from auto mode, program mode differs slightly from camera to camera. In my experience, one of the major differences of program mode is the ability to decide if we want to use flash. 16

Shutter Speed Priority:

Shutter Speed Priority Use it when: controlling the action in a scene is most important In shutter speed priority mode, the camera allows you to select a shutter speed and then the camera selects the aperture that will properly expose the photo. You’ll find this setting handy when you’re trying to control motion in a photo. 17

Aperture Priority:

Aperture Priority Use it when: controlling depth-of-field is most important In aperture priority mode, we have precise control of the aperture setting, regulating the amount of light that passes through the lens. The biggest effect that aperture has on the “look” of an image is the depth of field. 18

Manual Mode:

Manual Mode Use it when: you’ve outgrown every other mode! Manual mode puts everything in the user’s hands. You’re tasked with selecting shutter speed, aperture, and ISO. Being in manual mode is liberation as a photographer. It is up to you to select the perfect settings, and only the camera’s meter can help you in doing so. Selecting all of the factors allows for complete control over the outcome of a photo. 19

Scene Modes:

Scene Modes Scene modes are pre-set exposure modes on beginner-level digital cameras that help inexperienced photographers achieve the proper automatic settings for a photo. 20 By using a scene mode, the photographer is telling the digital camera to emphasize a certain aspect of the settings for a particular set of upcoming photos .

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