How do I Use Camera Lens Filters?
Filters for single-lens reflex camera lenses are used to change or enhance the appearance of a photograph. Some filters--such as polarizing or ultraviolet filters--make minor corrections to natural light, correcting glare or haze created by shooting pictures in sunlight. Others--such as star or gradient filters--make more radical changes and add artistic touches to pictures.
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Instructions
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Choose a filter based on environmental conditions and the type of image you want to create. If you're shooting in harsh sunlight, pick a polarizing filter that acts like sunglasses would. If you're looking to highlight a skyline at night, choose a star filter, which makes points of lights seem to twinkle. If you want a black-and-white printed, colored filters will improve contrast. Read the description of each filter carefully and decide what kind makes the most sense with the image you want to capture.
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Make sure the filter fits your camera lens. Filters are sold based on the diameter of the lens, which varies. Find the radius of your lens, measured in millimeters, by looking at the front glass. It's the number printed next to the radius icon, a circle with a line through it.
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Attach the filter to the lens. Two types of filters attach: Screw-in filters attach directly to the lens and slide-in filters that require an adapter. Hold the filter against the glass so it fits inside the metal ring surrounding the lens. Twist clockwise, until it's firmly attached.
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Frame the picture and adjust the camera settings for the best exposure.
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Take the picture.
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Remove the filter by twisting counter-clockwise and pulling it free from the metal ring surrounding the lens.
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Tips & Warnings
A basic ultraviolet or skylight filter can help protect the lens glass. If an object hits the front of the lens, it will scratch the filter and not the lens.
References
- Photo Credit Zedcor Wholly Owned/PhotoObjects.net/Getty Images
