digital photo print

8/14/2019 Digital Photo Print

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Digital Photography 101

for Library Applications

Instructor:

Jeanne Moje

[email protected]

An Infopeople Workshop

Winter 2004


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Workshop Agenda

Digital Camera Overview

Hints on Taking Photos

Who Owns That Image?Photo Design and Repair

Managing Your Digital

Photo Collection


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Digital Camera Overview


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Why Digital Photography?

Advantage over film cameras Immediate feedback / results

Dont need to develop film Ease of image manipulation

Add interest to your web site

Publicize and document library events Pictures are worth a thousand words

Provide material for library displays


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Overview of Digital Cameras

Lens types

Case sizes

Pixel depthZoom power

Storage media types Older memory formats Newer memory formats Alternative memory formats


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Digital Camera Case Sizes

Listed in order of price Compact

Micro Medium

Large


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Pixel Depth

Why would you want more pixels? 3 megapixels

4 megapixels 5 megapixels

Foveon technology 3.4 Three layers to each pixel

Equivalent to 10 megapixels


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Pixel Print Comparison

To maintain quality, choose higher

megapixel settings if you need larger

print sizes 1 megapixels 4 x 6

2 megapixels 5 x 7

3 megapixels 8 x 11

4 megapixels 11 x 14

5 megapixels 12 x 16


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Zoom Power

Optical zoom changes the image by

moving the lens

Digital zoom changes the image bycropping (enlarging the pixels)

Interchangeable lenses on SLR digital

cameras expensive! Gives you more shutter speed control

Wide-angle, panoramic, specialty lenses


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Types of Storage Media

Some can be used in multiple portable

devices Digital cameras, notebooks, PDAs, music

players, car stereo

Standardize on a flash memory type Secure Digital (SD) - up and coming

Compact Flash (CF) - still a good choice


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Newer Memory Formats

Memory stick (MS) only used by Sony

xD-Picture Card Fujifilm, Olympus

Projected highest capacity

Secure Digital (SD) Projected highest use

Broadest support


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Alternative Memory Formats

CF Mini hard drives IBM microdrive

Up to 1 GB in storageDigital camera off-load units


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Now For Our Camera Tour


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Finally, Taking Photos


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Before You Start

Practice with the camera

Double-check your camera settings

Carry extra batteriesExperiment with flash How close to subject?

Test red-eye settings


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Hints On Taking Photos

Use a tripod or lean against stationery

object

Conserve batteries Limit use of

screen viewer

Is camera turned off

when not in use?


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Automatic & Forced Flash

Automatic Fires automatically as required

Useful for ordinary photography

Forced Flash Photograph backlit scenes

Use outside in shade Color correct

fluorescent light


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Suppressed & Red-Eye Flash

Suppressed Flash Indoors where flash is ineffective

Photos taken through glass

Red-Eye Reduction Pre-flashes so subjects

eyes appear more natural

Fires automatically

as required


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Slow-Synchro Flash Types

Slow-Synchro Slow shutter speed for taking pictures of

people at night

Will show both subject and night time

backdrop

Recommend tripod

Red-Eye Reductionplus Slow-Synchro


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Example of Flash Icons

Red eye

reduction

Forced

flashSuppressed

flash

Red eye

reduction

plus slow

synchroSlow

synchro


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White Balance Control

Will attempt to correct the color for given

light sources such as: Daylight fluorescents

Warm white fluorescents

Cool white fluorescents

Incandescent lights

Outdoors

Shade


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Delayed Shutter Response

Anticipate shutter lag Shutter delay varies between cameras

Ask your subject to hold still!Image-writing delay while the camera

stores the photo

Some cameras are ableto store images

more quickly


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Taking Photos of People

Avoid red-eye Use red-eye flash function

Ask subject to look away from flash

Use natural light

Dont get too close Distortion

You can crop

image later


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Flattery Or Kindness?

Avoid harsh shadows

Try different viewpoints

Use natural light instead of flashRed clothing will overpower

skin tones


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Hold Still!

Posing versus natural action

Take numerous photos of same pose

Subject may relax Pose will look more natural

Shutter lag makes natural

action shots difficult


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Connect That Camera


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Problems?

Where to go if you have problems with

your camera

Camera batteries weak?What if your computer wont talk to the

camera?

Software updates andother annoyances


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Indoor Lighting

Fluorescent light is green

Incandescent light is red

North light bulbs are blueColor-corrected light bulbs

are best

Use two light sourcesif possible


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Photographing Objects

Avoid parallax effect if object has

straight lines Align camera to object

Align lines of object with frame of

viewfinder or LCD monitor

Use a tripod or stand

Macro lenses


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Lighting Objects

Lighting Two lights are best

45 angle to object

Measure distance of lights

Use a color key for fine reproductions


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Camera Purchase Decision


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Before You Choose

What is your budget?

Will it connect to your computer?

Evaluate your photographic needs Pixel depth

Power supply requirements

Memory needs (16 MB to 1 GB+) Do you have other portable devices?

Zoom capability needed?


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How To Choose A Camera

Try out cameras for a good fit Does it fit your hands?

Controls easy to locate?

Display screen large enough?

Light enough to carry?

Zoom power?

Purchase at a store or buy online?

Keep an eye on sale prices


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Bookmarks Topics to Visit

Digital camera glossaries and

dictionaries

Digital camera overviewVendor web sites for

digital cameras and

photography


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Taking Photos Outdoors


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Outdoor Lighting

Sunlight causes shadows

North light is blue

Overcast daysIndirect lighting best for people

Use fill-in flash or reflector


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Legal Issues


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Do The Right Thing!

Get a signature release from your

subjects

Copyright considerations

Infopeople course materials

available


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Signature Releases

Who owns that photograph?

If you put a photo of a person on the

web, get a signature release

Legal issues

Sample signature releases


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Copyright Considerations

Again, who owns that photograph?

Legal issues

Get permission!Protect your images


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Infopeople course Library Laws For The Web Environment -

2002

Signature release samples

Copyright law


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The Art Part


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Design Hints

View as abstract artwork (turn the photo

upside down)

Save as black & white for a fresh view

Look at negative spaces

Avoid clutter


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The Rule of Thirds in Design

Hum Beethovens Fifth

Imagine a tic-tac-toe grid on your image

Line objects on the grid Offset the focal point

within the composition

Check for proportions

of two-to-one


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Value, Contrast & Luminance

Value Relative lightness or darkness of a color

Black & white photography helps you see

value

Contrast Difference between highest

and lowest luminance values

Luminance relates to light


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Hue, Saturation & Brightness

Hue Intensity or gradation of color

Saturation Chromatic purity - has color

been diluted with white?

Brightness Brilliance of a color relating

to hue or saturation


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Color Impact

Emotional impact of color What kind of message do you wish to

convey?

Reds bleed May overpower other parts

of the image


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Color Hints

The rule of threes in color

Squint to see the values in the image

Check proportions of colorof two-to-one


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Cropping and Resizing

Focus on the subject

Get rid of clutter

The web can only show so much!Reduce image file size

Improve your design


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Photo & Graphics Software


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Types of Software

Beginner Apple iPhoto, Hypersnap, LviewPro

Intermediate PaintShop Pro, Photoshop Elements

Advanced

Fireworks, PhotoshopCamera software


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Exporting for Web and Print


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File Extensions

JPEG (*.jpg) web graphics

GIF (*.gif) flat color web graphics

TIFF (*.tif) print graphicsPSD (*.psd) Adobe Photoshop

PNG (*.png) Fireworks

PDF (*.pdf) Adobe AcrobatProprietary extensions


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Graphics software vendors

Digital collections projects

Infopeople course materials Planning To Digitize Your

Treasures, 2000 Planning Your Digitization

Project, 2001 Creating Web Images

With Fireworks, 2002


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Planning A Photo Session


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Summary and Evaluation

Overview of digital cameras

Hints on taking photos

Who owns that image?Design and color hints

Managing your files and disk space

digital photo print

Documents