WANGFK 39–82 mm IR65 Filter, 650 nm Optical Infrared Filter for Lenses (49 mm)

Description

• Filter effect: Infrared
• Lens material: Optical germanium glass
• Ring material: Aero magnesium-aluminum
• Filter coating: N/A
• Suitable for: Cameras, camcorders

New product: The product's original packaging is unused, unopened, damaged, and undamaged. Filter effect: Infrared Lens material: Optical germanium glass Ring material: Aero magnesium-aluminum Filter coating: N/A Suitable for: Cameras, camcorders Shape: Round Package contents: 1 optical-quality infrared filter What is the difference between IR filters? Infrared filters, sometimes also called infrared or heat-absorbing filters, are designed to allow wavelengths in the mid-infrared range to pass through while blocking visible light. They are often used with devices that have bright incandescent lamps, such as slide projectors and overhead projectors, to prevent unnecessary heating. Because many camera sensors are highly sensitive to near-infrared light, filters are also used in solid-state cameras (CCD or CMOS) to allow infrared light. These filters often have a bluish tint because they may also block some light from shorter visible and ultraviolet wavelengths. How are IR filters used? 1. Archaeology, military, police, medicine, and detective work. Infrared filters typically make invisible spots and altered objects visible. 2. Plant vegetation and landscape photography. Infrared images look completely different. 3. Special effects for photography. Infrared filters provide expressive and unusual effects for photo and video photographers.

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