Alley in Pisa, Italy

by Lars Kotthoff

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the ratio of the width to the height of an image

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49
votes
3answers
3k views

What historic reasons are there for common aspect ratios?

The most common width to height ratio rates in the "old good" paper photography seems to be 3:2, which was adopted by today's DSLRs. Early (non-professional) digital cameras adopted 4:3 aspect ratio, ...
11
votes
5answers
1k views

Is there a way to search by aspect ratio in Lightroom?

Is there a way to add useful aspect-ratio search to Lighroom? The present interface (LR 3.2) gives only 3 options: Landscape, Portrait and Square. Those seem more like orientations than aspect-ratios ...
11
votes
6answers
5k views

What are the advantages of shooting a particular aspect ratio?

My camera can shoot in 4 different aspect ratios (4:3, 3:2, 16:9, and 1:1). Aside from personal preference of composition are there any advantages to choosing one over the other? Is there an industry ...
5
votes
1answer
1k views

What is the crop factor for Four Thirds cameras considering aspect ratios?

I'm considering switching to the Micro Four Thirds system. Finding lenses which match my style is a key part of that, and "normalizing" via crop factor is a convenient tool. The crop factor for Four ...
1
vote
2answers
248 views

How do I compose an image for use as a browser background or wallpaper on a widescreen monitor?

I want to use some of my images for the background of a web page in my browser and for computer desktop wallpaper on my widescreen notebook. When I use a (landscape oriented) picture as is (in a ...