Thursday 22 April 2010

Photography terms



Macro - Macro photography is close-up photography. The classical definition is that the image projected on the "film plane" (i.e., film or a digital sensor) is close to the same size as the subject (i.e. in a 1:1 ratio)




Metadata - A digital SLR camera will record all of the settings and all of the information available when taking the photograph, and embed it into the image. Generally right clicking and going to 'properties' will show you the metadata, or looking at the properties in the software you use to edit/view the photo.




Rear-curtain flash - There are two curtains on your shutter - one at the front of the shutter and one at the back. The length of time for shutter speed depends on how long the gap is between the front curtain opening and the rear curtain closing - that's how the shutter works. Using 'rear curtain flash' or 'slow synch/rear synch' - means your front curtain opens, lets ambient light in, and just before the rear curtain closes, the flash goes off. This means you can get cool blurry movement and nice ambient colors, whiclst still 'freezing' a picture of whatever your flash shoots at over the top of it. Alternatively you can have front curtain flash (this is default or normal flash setting) which freezes the subject and then puts the ambient colours and blurriness over the top of that frozen image. have a try.






Stock photography: Stock photography sites let you sell your images to companies/individuals that need certain pics but don't currently have them for £xamount a pop.(like if you were asked to make a leaflet for hedgehogs, in the middle of winter, you could go on the site, buy the rights to use a photo of a hedgehog/whatever for use in the leaflet...without being sued)





Tilt-shift - The term used for photography which makes the photo look like a minature village/toy city. I think the term is used from lenses which are used for architecture which stop the photograph having converging lines when shot from below, so the building looks like it's being photographed from the middle and not from ground level! examples of this type of photography below

1 comment:

  1. Vignetting - A fall-off in brightness at the edges of an image. Can be caused by poor lens design, using a lens hood not matched to the lens, or attaching too many filters to the front of the lens.

    Noise - Coloured speckles or discolouring in the image when shooting at a high ISO.

    Depth of Field (DOF)
    The amount of distance between the nearest and farthest objects that appear in acceptably sharp focus in a photograph.

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