An infrared filter is a filter to remove visible light and only pass infrared light in different wavelengths. Here are some types of IR filter to choose from: • The Kodak Wratten 87, 87A, 87B, 87C (87 starting at 750nm, 87C at 800nm, 87B at 850nm, 87A at 950nm) • The Hoya R72 (High quality… Continue reading IR Filter and Infrared Photography
Category: Filters
UV (Multi-Coated) filter
UV radiation is invisible to human sight, but in photography it turns out to be disturbing for the image quality. An UV filter is transparen’t to visible light, and so can be left on the lens for nearly all shots. The UV filter absorbs ultraviolet rays without changing the exposure. With most images, most people… Continue reading UV (Multi-Coated) filter
Photography Basics: Polarization Filters
The use: A polarising filter (or polarization filter) is used to remove reflections from a shiny surface and make blue skies darker. Types: Linear and circular polarizer. Circular is recommended. Manufacturers: Hoya, B&W and Cokin, using different depths of filter mount. Recommendations: not to use with wide-angle lenses and UV Filters. A polarization filter only allows… Continue reading Photography Basics: Polarization Filters