The metering system in a digital camera measures the amount of light in the scene and calculates the best-fit exposure value based on the metering mode. There are 3 types of metering mode:

Overall Metering (Multi Segment/Zone Metering)
Spot/Partial Metering 
Center Weighted Metering

Some links about metering:

digital photography school
dpreview
ephotozine
weather scapes

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White Balance (WB) is the process of rendering the colours in the photograph so that it appears more neutral. Some times there is a blue or yellow cast and this can be removed with shifting the white balance so that original white colours looks white!
Some Links…

cambridge in colour
wiki
photoxels
dpreview
photoshop tutorials

Measurement of White Balance can be done [...]

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Some links on how to create those shadows…

Ashley’s
mindbluff
Hand Shadows to be thrown on the Wall - Gutenberg

and a video to show it all…

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Focal length of a camera lens system is a measure of how strongly it converges (focuses) light. A photographic lens is used in a camera to make images of the opbjects on the film or other image sensors.
Some links…

wiki: focal length
wiki: photographic lens
photoxels: Focal length
focal length

Measurement of focal length is done in mm. nowadays:

Wide-angle lens 18mm, 20mm, [...]

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ISO (International Organisation for Standards) is also the Film speed in photography. Film speed is the measure of photography film’s sensitivity to light. Film with lower sensitivity (lower ISO) requires a longer exposure and is thus called a slow film, film with higher sensitivity (higher ISO) can shoot the same scene with a shorter exposure and [...]

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Depth of Field (DOF) is the portion of the photograph that is in focus as compared to the rest of the areas of the photo.
Factors that depends on DOF:

Subject distance from the camera
Focal length
aperture

Some links on DOF:

wiki: DOF
cambridge in colour
mir.com
DOF calculator
ephotozine

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Aperture is the opening through which light is admitted into the camera and in photography it refers to the diameter of the aperture.
Some links on aperture:

wiki: aperture
wiki: f-number
mir.com
digital photography school

Measurement of aperture is in f-number = the ratio of the focal length to the aperture diameter.

picture credit
Calculation of f-number: where f is the focal length, [...]

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Exposure is the amount of light falling on the image sensor of a DSLR.
Some factors affecting the exposure:

when aperture is small, exposure is low and when aperture is big, exposure is high
when shutter speed is small, exposure is low and when sutter speed is high, exposure is also high

Some links on exposure

wiki: Exposure Value
wiki: exposure

Measurement [...]

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Shutter Speed is the length of time the camera shutter is open and it is alos known as the exposure time.
Some factors affecting shutter speed:

total exposure is propertional to exposure time/light reaching the image sensor of a DSLR
faster shutter speed requires a larger aperture, and slower shutter speed requires a smaller aperture

Picture credit 
Some links on [...]

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Another amazing way to view any webpage with a list of images - Piclens! Love it! Here’s how to have fun with piclens…

download piclens
it’ll create an icon in the browser toolbar
View any page with pictures eg. Flickr sites or Google Image search pages
click on the icon from the browser Menu!
Voila!!!!!

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This is by far one of the most rugged ‘tripods’ i have seen for  SLR cameras: Gorrilapod. And for a heavier DSLR Zoom cameras, the Gorrilapod Zoom models are simply awesome.

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Fleur de Lis has been both a decorative and a royal symbol for the Bourbon family and many European Monarch.

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London Underground metro is so dense, that by connecting the points of stations some pretty cool animals can be drawn out! Reminds of how the ancient people once connected the stars above to creat objects of their own imagination as well.

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Name: Wrapped Reichstag
Object: Clothe is used to wrapped up the Reichstag of Berlin
Artist: Christo and Jeanne-Claude
Date of creation: 24 June 1995
Where to find it: Berlin in 1995

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a really helpful post from Paul. And i had to test it out… using the flickrSlidr

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some common colours in French…english (m sing) (f sing) (m plural) (f plural)

purple violet violette violets violettes
blue bleu bleue bleus bleues
green vert verte verts vertes
yellow jaune jaune jaunes jaunes
orange orange orange orange orange
red rouge rouge rouges rouges
black noir noire noirs noires
white blanc blanche blancs blanches
grey gris grise gris grises
brown marron marron marron marron
pink rose rose [...]

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The Adventures of Tintin and its lovable characters. I finally found this picture…

Characters includes:

Tintin and his dog, Snowy

Captain Haddock

Nester, the butler

Thomson and Thompson, the detectives

Professor Calculus

Bianca

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Name: Grand Place
Object: Central Market place and Town Centre
Artist: Jacob van Thienen (probably)
Date of creation: 1402 to 1455 and more buildings are added on later
Style: combination of Gothic, Baroque and Louis XIV styles
Description: Centre of the city’s commercial activies
Where to find it: Brussels, Belgium
 
image source: wiki

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Each day I live
I want to be
A day to give
The best of me
I’m only one
But not alone
My finest day
Is yet unknown
I broke my heart
Fought every gain
To taste the sweet
I face the pain
I rise and fall
Yet through it all
This much remains
I want one moment in time
When I’m more than I thought I could be
When all of [...]

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Name: La Chambre
Object: Painting
Artist: Vincent van Gogh
Dimension: 72 × 90 cm
Date of creation: 1888
Method: oil on Canvas
Description: Van Gogh’s Room at Arles
Where to find it: Musée d’Orsay, Paris, France

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