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Lesson 1
Advanced Exposure - Histogram
Lesson Starts at 6pm UK Time
Presented by:
Caroline Callaghan Course Educator
BA Photography (Hons)
Ultimate Photography ProgrammePart 2
@ShawPhotoCC
Welcome
Ultimate Photography Program
CAN YOU ALL HEAR ME?
About Us
• Largest LIVE Educator on the Planet
• 4+ Years / 2012
• Offices All Over the World
• Caroline Callaghan
• B.A. (Hons.)Photography
@ShawPhotoCC
UPP Schedule
Tuesday Lesson: 6PM to 7PM UK Time
Thursday Lesson: 6PM to 7PM UK TIME
UPP Support
advanced.photography@shawacademy.com
Thursday Sessions
Send images into:
advanced.photography@shawacademy.com
https://www.facebook.com/shawacademy
Put UPP into the Title of your Posts
https://twitter.com/shawacademy @shawacademy @ShawPhotoCCSocial Media Interaction
Upp Outline
Mastering Light
Week 1: Advanced Exposure – HistogramWeek 2: Advanced MeteringWeek 3: Introduction to FlashWeek 4: Studio Flash and Shaping Light
Powerful Enhancements
Week 5: Camera Raw ProcessingWeek 6: Creating Black & White ImagesWeek 7: Creating Black & White Images Part 2Week 8: HDR
Creative Techniques
Week 9: Low Light PhotographyWeek 10: MacroWeek 11: Advanced Lens techniquesWeek 12: Colour Management
Thursdays Sessions
Continuous
More student interaction – more image analysis
Photography news – covering important developments in photography
Analysing Exposure
Exposure
Stops
A stop in photography refers to a measure of light
A stop is a doubling or halving of the amount of light in your scene
Any time you Double the amount of light getting to the cameras
sensor you are Increasing the light by 1 Stop.
Any time you Half the amount of light getting to the cameras sensor
you are Decreasing the light by 1 Stop.
Stops of Light
+ 1 Stop = Double the amount of light getting
to the sensor than is needed to correctly
expose the scene.
+ 2 Stops = Four times the amount of light
getting to the sensor than is needed to
correctly expose the scene.
Stops of Light
-1 Stop = Half the amount of light is getting to
the sensor than is needed to correctly expose
the scene.
-2 Stops = Four times less light is getting to the
sensor than is needed to correctly expose the scene.
1/3 Stops
- 1/3 STOP- 2/3 STOP + 1/3 STOP +2/3 STOP
1/3 Stops – Shutter Speeds
1/15 1/20 1/25 1/30 1/40 1/50 1/60 1/80 1/100 1/125
1/160 1/200 1/250 1/320 1/400 1/500 1/640 1/800 1/1000
1/1250 1/1600 1/2000 1/2500 1/3200 1/4000
1/3 stop 2/3 stop
1/3 Stops - Apertures
F3.2 F3.7 F4.6 F5. F6.5 F7.1 F9.0 F10. F13. F15. F18. F21. F26. F29.
1/3 Stops – Shutter Speeds
Current Shutter Speed and Aperture :
250/s F.22
Current Light Meter Reading
1/15 1/20 1/25 1/30 1/40 1/50 1/60 1/80 1/100 1/125
1/160 1/200 1/250 1/320 1/400 1/500 1/640 1/800 1/1000
1/1250 1/1600 1/2000 1/2500 1/3200 1/4000
New Shutter Speed and Aperture :
200/s F.22
Current Light Meter Reading
1/3 Stops – Apertures
Current Shutter Speed and Aperture :
125/s F.8
Current Light Meter Reading
New Shutter Speed and Aperture :
125/s F.13
Current Light Meter Reading
F3.2 F3.7 F4.6 F5. F6.5 F7.1 F9.0 F10. F13. F15. F18. F21. F26. F29.
Light Meter
The Histogram
The Histogram
Blacks Midtones Whites
Shadows Highlights
Black and White Image
The Pixel
255 Shades of Grey
The Pixel
The Pixel
The Histogram
The Histogram
Histogram
Greyscale
1.
2.
3.
1. 2. 3.
Histogram and Exposure
Reading the Histogram
Reading the Histogram
Reading the Histogram
Reading the Histogram
Reading the Histogram
Reading the Histogram
Over Exposure
Blinking
Over Exposure
Not Blinking
Over Exposure
Under Exposure
Blinking
Under Exposure
Not Blinking
Under Exposure
Reading the Histogram
Reading the Histogram
Thursday
Send in images of what you consider good, bad and correct
exposures – Send unedited (not adjusted since captured)
Send you images to advanced.photography@shawacademy.com
Send images before 9am Thursday UK Time
Thank You for Attending Lesson 1
Recordings will be available in the student login area of
www.shawacademy.com within 24 Hours
Assignments available from Friday
Q & A
See you back on Thursday 6pm UK Time
Recordings are available in 24 hours
Facebook: www.facebook.com/shawacademy Twitter: @shawacademy @ShawPhotoCC
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