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Digital Photography Tutorials

Spherical aberration - is the term for an optical fault caused by the spherical form of a lense that produces different focus points along the axis for central and marginal rays.
Curvature of field - optical defect that causes points on an object plane perpendicular to the lens axis to focus on a curved surface rather [...]

Abstract art is now generally understood to mean art that does not depict objects in the natural world, but instead uses colour and form in a non-representational way. Abstraction is based on sensation, intuition, feeling, and thinking.
But it’s a missconcept to believe that nature can not offer abstractions without human touch. The easiest way of [...]

First of all I confess that for me, Canon has the best image quality I’ve experienced. A520 and A620 make no exception at all. The Canon A520 is just slightly smaller and definitely lighter than the A85 it replaces (A520 only uses 2 AA accumulators, however, A620 comes back to 4 AA which last longer), [...]

Secure Digital Card (SD)
Compact Flash (CF)
Multi Media Card (MMC)
xD-Picture Card (xD)
MiniSD Card
MicroSD Card
USB flash drive
Memory Stick
SmartMedia
MMC is about the size of a postage stamp: 24 mm x 32 mm x 1.5 mm, compatible with SD cards. Basic cards, high-speed cards and high-end cards have speeds up to 150x or even higher! (Incredible, right?) Some digital [...]

Now let’s begin the “how to make” these borders:

1. create a copy of the layer called background
2. select the content of the initial background and cut it
3. give the background the color you want for the border
4. move to the “copy of background” and in the menu “Edit” go to “Free Transform” or just press “CTRL+T”
5. How holding “Shift” resize [...]

The question isn’t “why a border?”, but rather, “what kind of a border?”. Simply because a picture looks better with a border and because different photos look better with different borders.
First of all, you should know that border color depends on the photo’s colors. A photo with warm colors works better with a white border, [...]

This compact model, with a 5.08 cm display (2 inch) of 115.000 pixels (quite small…) appears to have problems while focusing in dark light and in tele mode. But the good thing about it it’s the multitude of functions and semiautomatic programs, even a manual exposure mode. Thru rapid access, in automatic mode you can [...]

I bet one of your first questions was: what photography books should I read? I warmly recommend you the National Geographic Photography Field Guide series.
Shortly: 160 pages each, around 114 pictures, discusses equipment, technique, and composition, from preparation to final print, and covers both traditional film and the latest digital gear.
When is the right moment [...]

Blue, by it’s meaning, it’s an important color in art, and therefore in photography. Anyway, it’s present all over: sky, water… (we live on the Blue Planet, right?). If you use a polarization filter, light blue turns into dark blue.
Note: the filter effect is greater if the angle between the sun light and the [...]

Now that you have the 3 elements requested (tripod, background, lamp), let’s start using them.
One rule in photography is about how busy the background is. If you take a picture of your object with the library behind, for example, the person who looks at the picture will loose the concentration over the subject of the [...]