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Increased Resolution




Most lenses are designed to focus light within a specific wavelength range onto an image sensor. However, not all lenses are able to converge all wavelengths into perfect focus at the same point on the focal plane. One or more wavelengths of light (colors) will be brought into sharp focus while others will focus at slightly different positions on the sensor plane. This is known as chromatic aberration. Bandpass Filters improve resolution by reducing the wavelength range of light allowed to pass through the camera, eliminating chromatic aberrations. This is even more apparent in broad spectrum imaging where ultraviolet (UV) and infrared (IR) wavelengths are present.


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Increase Resolution by Reducing Chromatic Aberrations

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