Cheap filter for lens, Buy Quality infrared ir filter directly from China 77mm infrared filter Suppliers: 77mm IR65 Filter 650nm Infrared IR Optical Grade Filter for Lens
Item specifics:Condition: New: A brand-new, unused, unopened, undamaged item in its original packagingBrand: ROCOLAXFilter Effects: InfraredLens Material: Germanium Optical Glass Ring Material: Aero Magnalium Filter Coated: N/AFilter Diametre: 77mmTo Fit: Camera, CamcorderShape: CircularPacking List: Optical Grade Infrared Filter X 1 What\'s so different about infrared filter?Infrared filters, sometimes called IR filters or heat-absorbing filters, are designed to allow IR mid-infrared wavelengths while block visible light. They are often used in devices with bright incandescent light bulbs (such as slide and overhead projectors) to prevent unwanted heating. There are also filters which are used in solid state (CCD or CMOS) video cameras to allow IR due to the high sensitivity of many camera sensors to near-infrared light. These filters typically have a blue hue to them as they also sometimes block some of the light from the shorter visible light and UV wavelengths. In which ways the infrared f
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