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2006-06-01 Point and Shoot Digital SLR-Single Lens Reflex (DSLR) Prosumer- Not technically its own specification-combines user friendly P&S features with.

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Presentation on theme: "2006-06-01 Point and Shoot Digital SLR-Single Lens Reflex (DSLR) Prosumer- Not technically its own specification-combines user friendly P&S features with."— Presentation transcript:

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2 2006-06-01 Point and Shoot Digital SLR-Single Lens Reflex (DSLR) Prosumer- Not technically its own specification-combines user friendly P&S features with more advanced manual features

3 Image sensor o Sensors convert light into an electric charge and process it into electronic signals. Image sensors are, with the exception of the lens, the most important part of the camera. o Larger sensors result in greater image quality

4 Sensor Size  Larger Sensors contain larger pixels, which are much better at collecting data

5 Size Matters

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7 Image Compression and Quality Compression-process of reducing the file size of a picture when storing; most digital cameras compress and record images as JPEG files. *The more the picture is compressed 1.more pictures can be stored on the memory card 2.the quality of the image is degraded 3.the reproducibility of the image is reduced *The less a picture is compressed 1.fewer images can be stored 2.maintains the presentation of the image’s fine areas 3.increases the image quality *Image quality must be set before the pictures are shot so the final result is what you expected. Large or RAW format are the best options for photographers.

8 RAW VS. JPEG  RAW files: ☼ give the best image quality and the most flexibility. ☼ do not contain pixels! A RAW file is raw sensor data. ☼ capture two more stops of dynamic range that JPEGs. This creates better shadow detail. ☼ require post processing in the computer. ☼ take up a large amount of space on the memory card and the computer.  JPEG files: ☼ take up less room on the memory card and the computer. ☼ are compressed in the camera and carry less information (detail) ☼ have less flexibility and a lower image quality.

9 Image Recording Quality: OptionImage TypePixels/Print Size LARGE/FINE Fine image quality, suitable for enlargements or high quality prints. JPEG 3405x2336 pixels 8x10 or larger 2544x1696 pixels Smaller than 8x10 1728x1152 pixels 3504x2336 pixels 8x10 or larger LARGE/NORMAL Normal image quality, suited to most applications. JPEG MEDIUM/FINE MEDIUM/NORMAL SMALL/FINE SMALL/NORMAL RAW Basic image quality, suitable for pictures that will be distributed by e-mail or used in web pages. JPEG JPEG RAW images must undergo post processing in the computer.

10 Getting to know your Camera

11 Settings Light meter Focus

12 Camera Modes Creative Zone *P - program mode *Tv - shutter speed priority mode *Av - Aperture mode *M - Manual mode *A-Dep - Automatic Depth of Field- good for group photos and landscapes Basic Modes: *Portrait Assist- shallow depth of field *Sport Assist- will freeze action *Landscape Assist *Close Up *Night Assist- good for shooting people at night; may need a tripod *Flash Off - disables the flash

13 Film Speed: o Film Speeds= ISO (International Organization for Standardization) o The higher the ISO number the more sensitive to light the camera will be, but more noise (grain) will be in the captured image. o Basic Zone- ISO is set automatically between 100 and 400. o To set the ISO choose the manual o modes, then press the ISO button and turn the dial.

14 Camera Modes continued…  AF Mode= auto focus mode. Select the type of auto focus the subject requires. One Shot AF is good for still subjects Al Servo AF is good for moving subjects Al Focus AF switches back and forth automatically  Metering: In the Basic zones metering is set automatically. There are four metering modes: Evaluative-standard mode suitable for most subjects. Partial-effective for backlighting; meters about 9% of viewfinder image. Spot-This is for metering a specific spot. About 3.5% of the very center of the viewfinder is weighted for focusing. Center weighted averaging-averages the entire scene.  Auto Mode: (aka- green moron mode) Step out of the box and learn the other modes of the camera!  Drive Mode: Single and continuous modes are available. Continuous mode allows you to shoot continuous bursts of images. This allows greater opportunity to catch action.

15 Metering Examples Evaluative Metering Center-Weighted Metering Partial/SpotMeterig

16 White Balance  The sensor in the camera renders light the exact color that it is; giving the image an odd color cast in some light. The camera has settings for different light sources so the image comes out the correct color; this is the white balance control.  Shoot in RAW and this can be adjusted after capture. AWB (Auto White Balance)-The camera will try to balance the scene for accurate color. This works best in an artificial lighting set up. The White Balance Settings Daylight-(blue light) is good for Daylight and when shooting sunsets, sunrises and night scenes. Cloudy-(blue gray) will add orange/yellow to the image to fix the blue cast on cloudy days. On a bright sunny day, you can use the cloudy setting to get a warmer feeling in your photos. Open Shade-(very blue) will add even more orange/yellow than cloudy. Fluorescent-(green light) this will add a pinkish color to balance the overall green cast of the light. Tungsten-(orange light) this will add blue to over come the heavy orange cast. Flash- is designed to give you good color when using the on camera flash; it adds a yellow cast. The cloudy setting can be used instead to give a warmer feeling. Custom-this is the most accurate setting and is best used in any light source other than day light. WB Bracketing - Some cameras are able to bracket the white balance settings (does not work with RAW setting). This gives you three different color images of the same shot.

17 Shooting Check List  Make sure you have a CF/SD card loaded and a charged battery before you go out.  If no one needs the images on the card reformat it before you begin.  Set the image recording quality (RAW or Large).  Set the exposure mode and ISO  Check all other settings-white balance, picture style, drive mode, etc.

18 Web Sites for Reference  http://its.leesummit.k12.mo.us/digitalmedia.htm http://its.leesummit.k12.mo.us/digitalmedia.htm  http://www.edzone.net/%7Emwestern/tutorials.htm l http://www.edzone.net/%7Emwestern/tutorials.htm l  http://www.internet4classrooms.com/ http://www.internet4classrooms.com/  http://www.microsoft.com/windowsxp/using/movie maker/create/default.mspx http://www.microsoft.com/windowsxp/using/movie maker/create/default.mspx  http://www.picnik.com/app#/in/upload http://www.picnik.com/app#/in/upload  http://www.wrigleyvideo.com/videotutorial/index.ht m http://www.wrigleyvideo.com/videotutorial/index.ht m  http://www.jumpcut.com/ http://www.jumpcut.com/  http://www.shortcourses.com/choosing/contents.ht m


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