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Course on




In Embassy of Finland, Nairobi, June 2012   Seppo Toikka
This course consists of:


7) Basic ideas and concepts in photography
8) Digital photography technique
9) Composition and subjects in photography
10) Digital editing, workflow examples
11) Other topics requested by you
Camera doesn’t matter

You can get amazing photos with
any camera

You just need to understand two things…

Amazing photos are about
composition and light, not about
the technical properties of the camera
Photo by Badruddeen (Flickr)
Don’t capture, convey

You can’t capture exactly what
you see, so don’t even try

Instead, try to convey the feeling!

Good pictures are all about conveying
emotions, making us feel something

The next time you feel the urge to take
a picture, focus on that feeling
Knowing your camera

Specific technical properties of
your camera are not important

Knowing how to use them to get
the best possible pictures is!

Every setting in your camera changes
the way it captures light and changes
the resulting photo
Exposure

Exposure = the amount of light
passed throught the lens to the
sensor surface

Change in exposure is measured
in stops (EV). +/-1 stop = doubling/halving
the amount of light passed through
the lens
Exposure example

When the camera’s dynamic range
cannot capture the whole tonal
range, you need to decide what tones
are most important

Virtually all cameras have the
possibility to adjust exposure
by at least +/- 2 stops(EV)
Adjusting exposure

In auto mode camera tries to figure
out the ”correct” exposure

You can adjust this exposure from
camera menus, or…

…you can use the half-press
shutter trick (just remember
that it fixes focusing too!)
Adjusting exposure (cont.)

Exposure is the combination of 3 things:

Aperture

Shutter speed

Light sensitivity of the camera sensor (ISO)
Focusing

In auto mode camera tries to figure
out the ”correct” point of focus

Focus points are shown on the
display as rectangular boxes when
you press the shutter half way
Focusing (cont.)

Point of focus defines the depth
of field, how much of the pictures
depth is in focus

Size of depth of field depends on
the distance of the focus point, the type
of lens and aperture of the lens
Camera blur

Even if the focusing is correct, photos
can be blurred

If the camera or the subject moves
while exposing the photo, this will
result in blurred picture
Camera blur (cont.)

Many cameras have built-in image
stabilizer (IS, OS, VR)

Without a stabilizer shutter speeds
slower than 1/30s will probably result
in a blurred photo
How to avoid blurred photos
Steady the camera against a support

Squeeze the shutter release slowly

Remember, the longer focal length (zoom),
the bigger risk of camera blur!
Motion blur

Even if the camera is held still, the
subject can move during the exposure,
resulting in motion blur

Learn how to avoid unwanted blurring,
but also how to use it to your advantage!
Shutter speed settings
Shooting modes also affect shutter
speeds
Sports mode keeps the shutter
speed as fast as possible

Landscape mode tries to maximise
the depth of field with the expense
of slower shutter speeds
Shutter speed settings (cont.)
Setting higher ISO will result in faster
shutter speeds

If all else fails, you can decrease the
exposure to increase shutter speed
Shutter speed 1/8s
Shutter speed 1/50s
Shutter speed
1/200s
Shutter speed 1/20s
Camera modes
Specifics of camera shooting modes
are unfortunately company trade secrets
Modes affect shutter speeds, depth of
field, color rendition and flash use
Nobody says that they need to be used
in situations described in the manuals!
Experiment by taking photos of same
subject with many different settings
Focal length
Focal length defines the angle of view

Longer lengths ”compress” targets
relative to their distance from camera

Keeping the subject size unchanged,
changing the focal length will change
the perspective and composition!

Don’t forget the ”leg zoom”!
Camera flash
If camera tells you to use flash, don’t!

Unless I say it’s ok…

Flash in low light will flatten any details,
especially in portraits

Learn how to use fill-flash, to combine
flash with light from other sources
When to use fill-flash?
Bright light, but subject is in shade

Night-time, when there are artificial
lights to provide some light

When using flash, the distance from
your subject makes all the difference:
don’t be too close!
Online

photocoursenairobi.wikispaces.com

Slides, example photos with
explanations, glossary

seppo.i.toikka@gmail.com
Homework
Find out how to adjust exposure
in your camera (+/- EV)

Find out what shooting modes your
camera has and take one photo from
the same place with every mode

When you see any photo, pay attention
to the light in that photo
Class2

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Class2

  • 1. Course on In Embassy of Finland, Nairobi, June 2012 Seppo Toikka
  • 2. This course consists of: 7) Basic ideas and concepts in photography 8) Digital photography technique 9) Composition and subjects in photography 10) Digital editing, workflow examples 11) Other topics requested by you
  • 3. Camera doesn’t matter You can get amazing photos with any camera You just need to understand two things… Amazing photos are about composition and light, not about the technical properties of the camera
  • 5. Don’t capture, convey You can’t capture exactly what you see, so don’t even try Instead, try to convey the feeling! Good pictures are all about conveying emotions, making us feel something The next time you feel the urge to take a picture, focus on that feeling
  • 6. Knowing your camera Specific technical properties of your camera are not important Knowing how to use them to get the best possible pictures is! Every setting in your camera changes the way it captures light and changes the resulting photo
  • 7. Exposure Exposure = the amount of light passed throught the lens to the sensor surface Change in exposure is measured in stops (EV). +/-1 stop = doubling/halving the amount of light passed through the lens
  • 8. Exposure example When the camera’s dynamic range cannot capture the whole tonal range, you need to decide what tones are most important Virtually all cameras have the possibility to adjust exposure by at least +/- 2 stops(EV)
  • 9.
  • 10. Adjusting exposure In auto mode camera tries to figure out the ”correct” exposure You can adjust this exposure from camera menus, or… …you can use the half-press shutter trick (just remember that it fixes focusing too!)
  • 11. Adjusting exposure (cont.) Exposure is the combination of 3 things: Aperture Shutter speed Light sensitivity of the camera sensor (ISO)
  • 12. Focusing In auto mode camera tries to figure out the ”correct” point of focus Focus points are shown on the display as rectangular boxes when you press the shutter half way
  • 13. Focusing (cont.) Point of focus defines the depth of field, how much of the pictures depth is in focus Size of depth of field depends on the distance of the focus point, the type of lens and aperture of the lens
  • 14.
  • 15.
  • 16.
  • 17. Camera blur Even if the focusing is correct, photos can be blurred If the camera or the subject moves while exposing the photo, this will result in blurred picture
  • 18. Camera blur (cont.) Many cameras have built-in image stabilizer (IS, OS, VR) Without a stabilizer shutter speeds slower than 1/30s will probably result in a blurred photo
  • 19. How to avoid blurred photos Steady the camera against a support Squeeze the shutter release slowly Remember, the longer focal length (zoom), the bigger risk of camera blur!
  • 20. Motion blur Even if the camera is held still, the subject can move during the exposure, resulting in motion blur Learn how to avoid unwanted blurring, but also how to use it to your advantage!
  • 21. Shutter speed settings Shooting modes also affect shutter speeds Sports mode keeps the shutter speed as fast as possible Landscape mode tries to maximise the depth of field with the expense of slower shutter speeds
  • 22. Shutter speed settings (cont.) Setting higher ISO will result in faster shutter speeds If all else fails, you can decrease the exposure to increase shutter speed
  • 27. Camera modes Specifics of camera shooting modes are unfortunately company trade secrets Modes affect shutter speeds, depth of field, color rendition and flash use Nobody says that they need to be used in situations described in the manuals! Experiment by taking photos of same subject with many different settings
  • 28. Focal length Focal length defines the angle of view Longer lengths ”compress” targets relative to their distance from camera Keeping the subject size unchanged, changing the focal length will change the perspective and composition! Don’t forget the ”leg zoom”!
  • 29.
  • 30.
  • 31. Camera flash If camera tells you to use flash, don’t! Unless I say it’s ok… Flash in low light will flatten any details, especially in portraits Learn how to use fill-flash, to combine flash with light from other sources
  • 32. When to use fill-flash? Bright light, but subject is in shade Night-time, when there are artificial lights to provide some light When using flash, the distance from your subject makes all the difference: don’t be too close!
  • 33.
  • 34.
  • 35. Online photocoursenairobi.wikispaces.com Slides, example photos with explanations, glossary seppo.i.toikka@gmail.com
  • 36. Homework Find out how to adjust exposure in your camera (+/- EV) Find out what shooting modes your camera has and take one photo from the same place with every mode When you see any photo, pay attention to the light in that photo