Photography 101 at Photo at Large
 

Photography 101


Standard Picture Frame Sizes
 
   
    8x10,  8x12,  8-1/2x11,  9x12,  10x13,  11x14,  12x16,  14x18,  16x20,  20x24,  22x28,  24x30,  24x36
 
     


Common Aspect Ratios for Digital Images and Film Photography

Name

Aspect Ratio

Some Common Uses

8 X 10

5:4

1.25

Display: 640 X 512 pixels, 720 X 576 pixels, 1280 X 1024 pixels, 1800 X 1440 pixels
Film format, 8 X 10 mm disc format, 4 X 5 format, 8 X 10 format
Print sizes: 4 X 5,   (8X10)  (16X20)  (24X30)

11 X 14

14:11

1.272

Film format
Print sizes: (11X14)  (22X28)

3 X 4

4:3

1.333

Display: 320 X 240 pixels,480 X 360 pixels,640 X 480 pixels, 800 X 600 pixels,832 X 624 pixels,1024 X 768 pixels,1152 X 864 pixels,1280 X 960 pixels,1400 X 1050 pixels,1600 X 1200 pixels, 1920 X 1440 pixels
Photo: 4:3
 digital camera  aspect ratio
Print sizes: 3 X 4,  6 X 8,  8 1/2 X 11 with 1/2" border,
(9X12)  (12X16)  (15X20)  (18X24)  (21X28)  (24X32)

5 X 7

7:5

1.4

Film format
Print sizes:
2 1/2 X 31/2, 3 X 4  with 1/4" border, 5 X 7, (10X14)  (20X28)

4 X 6

3:2

1.5

Display: 720 X 480 pixels
Photo: 24 X 36 mm full-frame
35 mm & digital SLR format
Print sizes: 4 X 6,  5 X 7 1/2,  (8X12)  (10X15)  (12X18)   (16X24)  (18X27)  (20X30)  (24X36)




Digital Photography Tutorials

Below are some informative tutorials offered by
Sean McHugh of the Cambridge University Photographic
Society. Click on a topic to view the tutorial.


 1.   A Background on Color Perception
 2.   Understanding Digital Pixels: PPI, Dithering and Print Size
 3.   Understanding Bit Depth
 4.   Understanding Image Types
 5.   Understanding Digital Sensors
 6.   Understanding Camera Metering & Exposure
 7.   Understanding Image Noise, Part 1: Concept and Types
 8.   Understanding Image Noise, Part 2: Characteristics
 9.   Understanding Sharpness
10.  Understanding Depth of Field
11.  Understanding Histograms, Part 1: Tones and Contrast
12.  Understanding Histograms, Part 2: Luminance and Color
13.  Color Management, Part 1: Concept and Overview
14.  Color Management, Part 2: Color Spaces
15.  Color Management, Part 3: Color Space Conversion
16.  Understanding White Balance
17  .Understanding RAW Files: Why Should I Use RAW?  
18.  Understanding Lenses, Part 1: Focal Length & Aperture


Your photography questions are answered here.
Photography 101 at Photo at Large
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