This a part two of my previous post on Restaurant Promotion Ideas #43 – Take Amazing Food Photos and Share It . In this post I will cover topics on ISO and White Balance.
A novice guide to digital photography
What is it: ISO is a carry over from the film days. Film used to be rated at a certain speed, indicating its sensitivity to light. Now, the ISO setting on your digital camera is a way of setting the sensors sensitivity to light. The higher the ISO setting, the more sensitive the sensor on your digital camera becomes.
Where to find it: Most digital camera manufacturers hide ISO on one of the submenus within the camera settings. On some digital cameras, it may have its own button labeled ISO.
What it does: Ever become frustrated by your inability to take a photo indoors without blurring it because of your hands shaking? ISO may be the fix you are looking for. By setting the ISO higher, the camera is able to use faster shutter speeds or higher apertures, allowing you more creative freedom and more ability to keep shooting in challenging lighting conditions.
What it is: A way of telling your digital camera how to compensate for the color of the light around you. I used to wonder why my photos come out either too blue or too red. Then I found out that this is because of the wrong white balance used.
Where to find it: Like ISO, white balance can either be set through a sub-menu or through a button on the outside of your digital camera.
What it does: Every light source has a color temperature to it. Florescent lighting emits a greenish light, while the normal household lighting is orange. This creates a challenge situation for your digital camera. While you might not notice the lighting color just walking around, youre sure to notice it in your photographs. To prevent this, the camera tries to set the white balance of the image as a way to compensate against the lighting color.
Introduction to white balance.
As I have written earlier on. When I first started taking out photos with our digital camera, I sometimes found the picture either too blue or red. Then I found out its the white balance setting that is wrong. Did some research and this is my findings
Auto – this is where the camera makes a best guess on a shot by shot basis. Youll find it works in many situations but its worth venturing out of it for trickier lighting.
Tungsten – this mode is usually symbolized with a little bulb and is for shooting indoors, especially under tungsten (incandescent) lighting (such as bulb lighting). It generally cools down the colors in photos.
Fluorescent – this compensates for the cool light of fluorescent light and will warm up your shots.
Daylight/Sunny – not all cameras have this setting because it sets things as fairly normal white balance settings.
Cloudy –this setting generally warms things up a touch more than daylight mode.
Flash – the flash of a camera can be quite a cool light so in Flash WB mode youll find it warms up your shots a touch.
Shade – the light in shade is generally cooler (bluer) than shooting in direct sunlight so this mode will warm things up a little.
Rule of Thirds
I learn this after reading an article on the net. Its one of the first things that budding digital photographers learn about in classes on photography and rightly so as it is the basis for well balanced and interesting shots. Heres a summary on what it is.
The basic principle behind the rule of thirds is to imagine breaking an image down into thirds (both horizontally and vertically) so that you have 9 parts.
As youre taking an image you would have done this in your mind through your viewfinder or in the LCD display that you use to frame your shot.
With this grid in mind you now identify four important parts of the image that you should consider placing points of interest in as you frame your image.
The theory is that if you place points of interest in the intersections or along the lines that your photo becomes more balanced and will enable a viewer of the image to interact with it more naturally. Studies have shown that when viewing images that peoples eyes usually go to one of the intersection points most naturally rather than the centre of the shot – using the rule of thirds works with this natural way of viewing an image rather than working against it
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