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Screens and Photographs

Screens and Photographs

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Screens and Photographs

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  1. Screens and Photographs By: Arnav Arora

  2. Photographs-Different sizes • There are four most common sizes of photographs. Passport Size Photograph: Usually measured in centimeters. • Picture Postcard: Usually measured in inches. • Large Format: Usually measured in inches.

  3. Photographs-Passport Size • This type of photograph is used for identification of people in documents like passports, visa’s and various applications etc. • This is usually taken for a single person. • Typical size is 4.5cm x 3.5cm. • An example of a passport size photo is given here.

  4. Photographs-Postcard Size • This type of photograph is used for capturing scenic beauty. • This picture captures more width than height, the ratio of height to width is 1.4-1.5 times. • Typical sizes are 4”x 6” and 5”x 7” • Examples of postcard size photographs are given here. 4”x 6” Photograph 5”x 7” Photograph

  5. Photographs-Large Format • This type of photograph is used for advertising photos, fine art photography, scientific applications etc. It is used where images have to be magnified for more detail. • The ratio of height to width is 1.25 times. • The typical size is 8”x 10”. • Example of a large format photograph is given here.

  6. Photographs-Wrong Aspect Ratio • This picture was a passport sized picture with an aspect ratio of 0.8. • It has now been changed to an aspect ratio of 1.5 to represent a 4”x 6” photograph. • Notice the distortion in the object.

  7. Photographs-Wrong Aspect Ratio • This picture was a passport sized picture with an aspect ratio of 0.8. • It has now been changed to an aspect ratio of 1.25 to represent a 8”x 10” photograph. • Notice the distortion in the object.

  8. Photographs-Enlarged proportionally • This picture was a passport sized picture with an aspect ratio of 0.8. • It has now been enlarged keeping the same aspect ratio. • There is no distortion in the object. • It shows you can enlarge a picture by keeping the same aspect ratio. • Enlarging the picture will not include any additional view of the object.