October 2009
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5 Photo tips – metering, exposure lock, face detection, flash compensation

Tip 371 (Use the metering system of the camera): There is another way to determine the proper exposure levels to you in your camera. Focus the camera and point such that areas of the photo with more neutral tones are selected, and this helps the camera determine a better level of blacks and white, and the proper level of exposure compensation.

Tip 372 (Using Exposure Lock): What is exposure lock ? Typically a camera allows you to half-click so as to select both focus lock and exposure lock. But you can never predict all requirements. Suppose you want a situation whereby you want focus on one element, and exposure lock on another element. Some cameras allow this. They allow you to first press one button to get a meter reading for exposure, and then another button for focus. This helps you get the exposure locked first from the desired element, and then set the focus on another desired element.

Tip 373 (Face detection works as exposure lock): Most people work on the assumption that when you have a person in the photo, the
exposure should be set such that the person comes our clearly. This is the assumption behind the setting of exposure locking on phones where face detection is enabled, the aim being to ensure that people are properly exposed.

Tip 374 (Saving photos in TIFF): TIFF is ideal for people who like to retain the high quality of their photos (especially for people who sell their photos, aka stock photography). Whether you shoot in RAW or in JPEG, the idea is that you first save your photo in the TIFF format which is a lossless format, and then convert to JPEG when you need to do an operation. If you keep on re-saving your photos, since JPEG is a lossy format, multiple saves degrade the quality of the photo.

Tip 375 (What is Flash Compensation): This feature is not available on all basic cameras, but wherever it is available, it allows for the adjustment of the flash exposure manually. This feature allows you to fine-tune the amount of light coming from your flash. This helps you adjust the brightness levels of your photo subjects; imagine how convenient it would be able to reduce the amount of light if your subject appears too bright.

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