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Hoya 49mm Red Intensifier Glass Filter [Camera]
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About Hoya 49mm Red Intensifier Glass Filter
**NEW PACKAGING** Also known as a 'didymium' filter, this is used to enhance the colors in the red-orange area of the color spectrum increasing their color saturation and contrast while having very little effect on the other colors in the scene. It can be used in many situations such as architecture where certain building features need emphasizing, or for landscapes to enhance foliage and rocky features. Use the Hoya Intensifier in combination with a Circular Polarizer such as the HD3 Cir-PL for incredibly saturated autumn colors. The filter is also very useful for filtering out some of the light pollution in astro/astro landscape photography. The Hoya Starscape/Intensifier suppresses a band of wavelengths that coincides with the wavelength of light that a lot of mercury vapor lights (most common street lamp light) emits. Street lighting is the largest generator of light pollution. By suppressing these wavelengths the resulting color balance is more accurate and easier to adjust in software later. This Hoya filter is constructed from optical glass for increased clarity and features an aluminum-alloy filter ring for durability while remaining lightweight. Reduces "light pollution" by blocking orange/yellow color spikes from city lights Improves contrast between stars and sky Also used to enhance fall colors without effecting green and blue colors Enhances red, orange, and yellow colors within an image Increases color contrast without unwanted polarization Preserves white and neutral tones *Hoya has changed the name of the Intensifier filter to Starscape to reflect how most photographers are using the filter. These filters are the same and use the same glass and filter frame. The only difference is the packaging and name on the filter.
