Dictionary / Glossay of photography terms

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CMYK

Stands for Cyan, Magenta, Yellow and black which are the four so-called process colours that are used in four-colour printed printing. They represent the subtractive colour model, where a combination of 100% of each component yields black and 0% of each yields white. Cyan, magenta, and yellow are the subtractive complements of red, green, and blue respectively (from RGB additive color model). RGB monitors emit light, but inked paper absorbs or reflects specific wavelengths. Cyan, magenta and yellow pigments serve as filters, subtracting varying degrees of red, green and blue from white light to produce a selective range of spectral colours.

Copyright

Copyright is a protection that covers published and unpublished literary, scientific and artistic works, whatever the form of expression, provided such works are fixed in a tangible or material form. Copyright laws grant the creator the exclusive right to reproduce, prepare derivative works, distribute, perform and display the work publicly. Exclusive means only the creator of the work

D

DPI

Stands for dots per inch. This measures the resolution or the number of dots in a stock photo that a printer can print or the number displayed on a screen per inch both horizontally and vertically, and therefore is also an indicator of quality of output. As an example, a 600 dpi printer can print 360,000 (600 by 600) dots on one square inch of paper.

E

Exclusive stock agency

An exclusive stock agency is a stock agency that requires you to sell your images only on that stock photography site. The images can not be commercialized elsewhere.

I

Interpolation

The process of increasing the resolution of a digital stock photograph or image.

J

JPEG

Stands for Joint Photographic Experts Group and is the most common compressed standard for high resolution stock photos. Also called JPG. It was developed by a group of experts that develops and maintains standards for a suite of compression algorithms for computer image files and it is one of the most popular digital image formats in stock photography industry. It is a is a compressed format, with some loss of quality during compression.

M

Model Release

A model release, known in similar contexts as a liability waiver, is a legal release typically signed by the subject of a photograph granting permission to publish the photograph in one form or another. The legal rights of the signatories in reference to the material is thereafter subject to the allowances and restrictions stated in the release, and also possibly in exchange for compensation paid to the photographed. Most stock agencies will provide model releases for photographers to download and use.

Moneybookers

Moneybookers is a payment method that enables any individual or business with an email address to securely, easily and quickly send and receive payments online. It is available in many countries and regions around the world including some countries where PayPal is not available. To find out more visit Moneybookers website: https://www.moneybookers.com.

N

Non-excluisve stock agency

Opposite of exclusive stock agency.

P

PayPal

PayPal is a payment method that enables any individual or business with an email address to securely, easily and quickly send and receive payments online. It is available in 56 countries and regions around the world. PayPal is widely used by a big number of stock agencies to pay the photographers or to cash money from image buyers. To find ou more visit PayPal website: http://www.paypal.com.

PICT

PICT is a stock image file format developed by Apple Computer, Inc. for use on Macintosh computers. The PICT format is adequate for storing and displaying data at 72 dpi, using the Macintosh screen, but is not sophisticated enough for higher-quality work.

Property Release

A property release is a written agreement between you and the person who owns the property you are photographing. The purpose of the release is to protect you from any future lawsuits the person might file for claims such as defamation and invasion of privacy. A property release says that the owner of a certain property, such as a pet or a building, has given you consent to take and use images of the property. You don’t need one for public property, such as government buildings, but for images of private property, particularly of objects that are closely identified with specific people, you should get a release.

R

RGB

An additive color model, where 0% of each component yields black and 100% of each component yields white. Computer monitors, screens and TVs emit colour as RGB (Red, Green, and Blue) light. Although all colours of the visible spectrum can be produced by merging red, green and blue light, monitors are capable of displaying only a limited gamut of the visible spectrum. Abbreviation for red, green, blue; the colors used in displays and input devices. Red, green and blue are the additive complements of cyan, magenta, and yellow from the CMYK color model. Most stock images are supplied as RGB.

Rights manged license

Rights managed license is the oposite of royalty-free license. A rights-managed photo needs a specific license stating the audience and material surrounding the photo.

Royalty free

Royalty-free is a type of a stock photo license that provides for the unlimited use of a photo in any media defined in the licensing terms. “Royalty-free” is the opposite of “rights-managed.” A rights-managed photo needs a specific license stating the audience and material surrounding the photo.

S

Stock photography

Stock photography is photography or other imagery of common landmarks, objects, concepts, people, and events that can be used and reused for a variety of commercial purposes. Stock photography can be searched by keyword and remains cataloged until purchased by a customer. Usually stock photography means commercial photography.