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Introduction to Digital
Photography
Key West
Naval Air Station
Earl D. Gates
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OverviewOverview
• Quick overview of what this workshop is all about• Identifying the Hardware• Developing a digital image workflow• Photographic Techniques• Image Editing
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Hardware TerminologyHardware Terminology
• Digital Camera (Digicam)• Megapixels• File Format• Batteries • Lens
• Scanners• Flat Bed• Film
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Digital Imaging Workflow
Digital Imaging Workflow
1.Preparation
2.Shooting
3.Transferring
4.Organizing
5.Processing
6.Archiving
7.Outputting
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Photographic TechniquesPhotographic Techniques
• Composition• People• Landscape• Pets
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Image EditingImage Editing
• Software• Tools• Special Effects
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ResourcesResources
• Internet• Magazines• Books• Workshops
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SummarySummary
• Review topics • Identify level to achieve• What Next?
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Preparation
Select digicam and accessories
Check batteries
Clean the camera
Adjust controls
Extra memory cards
Field storage
Back
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Shooting
Autofocus
White balance
Set other controls
Review images
Remove unwanted images
Back
Back
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Transferring
Decide on a transfer location
Memory card transfer
Cable transfer
Infrared transfer
Back
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Organizing
Sort through images
Print contact sheets
Rank images in groups
Separate the keepers
Back
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Processing
Working file format (TIFF)
Evaluate images
Make overall adjustments
Make local adjustments
Save as master
Sharpen image
Back
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Archiving
Organize
Choose medium
Make multiple backups
Delete all unnecessary copies of image
Back
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Outputting
Select outputFile format
Slide shows
Prints
Back
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Composition
Learn to see
Rules of thirds
Viewfinder awareness
Simplicity
Back
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People
Lens
Lighting
Posing
Props
Groups
Back
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Landscapes
Lens
Lighting
Back
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Pets
Lens
Red Eye
Back
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Software
Photoshop
Photoshop Elements
Included with camera
Back
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Tools
Opening, saving and deleting
Cropping
Adjusting brightness, contrast and color
Sharpening
Removal tools - redeye, dirt, scratch, noise
Back
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Special Effects
Filters
Masks
Back
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How Many Megapixels?
MP 4X6 5X7 8X10 11X14 16X20
2 Exc Good Fair Poor Poor
3 Exc Exc Good Fair Poor
4 Exc Exc Exc Good Fair
5 Exc Exc Exc Exc Good
8 Exc Exc Exc Exc Exc
11 Exc Exc Exc Exc Exc
Back
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File Format
Refers to the way the computer stores the data
More common formats include: JPEG EXIF TIFF RAW
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JPEG
Stands for Joint Photography Experts Group
Most widely used format Biggest advantage - can compress image
data Do not edit JPEG images in photo-editing
programs to minimize data loss
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EXIF
Stands for Exchange Image File Format Used by many digicams Is a variation of the JPEG format Stores extra data as metadata with the
image file Metadata stores shutter speed, aperture,
and other capture settings
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TIFF
Stands for Tagged Image File Format Is the choice for bringing images into
publishing programs Does not compress as much as JPEG Choose when picture quality is more
important than file size
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RAW
Simply means raw Used by high-resolution digicams Does not include any in-camera
processing features Provides a truer version of the scene in
front of the camera Large file size
Back
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Rechargeable Batteries
Must Know Info
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Why Batteries?
Batteries are the soul
of photographic
equipment
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Battery Types
Rechargeable
Nickel-Cadmium (NiCd)
Nickel-Metal Hydride (NiMH)
Lithium Ion (Li-ion)
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NiCd Batteries
Memory effect
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NiMH Batteries
More widespread
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Li-ion Batteries
Proprietary for specific cameras
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Milliampere hours (mAh)
Refers to how long the battery will last
Back
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Its About The Speed
Lenses
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Why does speed matter?
The more light a lens gathers, the less time it needs to hold the shutter open for proper exposure
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Zoom Lens
Maximum zoom is hard to hold camera steady for a sharp picture
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Shutter Speed
Slowest shutter speed without a tripod is 1/focal length of lens
(Based on 35mm equivalent)
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To Avoid The Shakes
Image stabilization:
Using gyro-sensors to detect shakes and compensate
Allows image to be shot at slower shutter speed