Re: Maths and photography - help?

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There is (or can be) quite a bit for math in photography. Inverse square
law, field of view, depth of field including the circle of confusion,
the Scheimpflug principle, focal length changes with diopters, f-stop
calculations for bellows use, etc. Just look on the web for photography
formulas (or formulae), and I think you'd find everything you want.

Andrew


On 3/10/2010, "David Dyer-Bennet" <dd-b@xxxxxxxx> wrote:

>
>On Wed, March 10, 2010 07:57, jonathan turner wrote:
>
>> I've been asked to do some work in a school that involves using
>> photography
>> to help with learning maths. I'm fairly hopeless at maths so am very
>> unsure
>> of how to proceed.
>>
>> The project is centred around the construction of a new library building,
>> which we are going to take pictures of, but have to find some sort of
>> mathematical aspect to the photography to help with their learning.
>>
>> I was thinking of something to do with symmetry/geometry etc but other
>> than
>> that have really no clue as to how to bring mathematical concepts into it.
>> Obviously mathematics and photography are two quite different disciplines,
>> I'm sure there must be plenty of crossover points but I'm really
>> struggling
>> to see them.
>
>For example, trying to determine real-world dimensions based on
>photographs.  For simple square-on shots, that gets you basic ratios.  For
>anything else, that gets you perspective calculations (more complex
>ratios) as well.
>
>However, it's easy enough to go in with a tape measure to your own
>library; makes this an obviously-artificial exercise, which aren't the
>best for motivating students.
>
>--
>David Dyer-Bennet, dd-b@xxxxxxxx; http://dd-b.net/
>Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/
>Photos: http://dd-b.net/photography/gallery/
>Dragaera: http://dragaera.info
>
>
>


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