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77mm IR720 IR 720nm Xray Infrared filter for DSLR Camera Lens (Free Tracking No)
More than 10 available, 1 sold
Details
Shipping: Australia: free (more destinations)
Condition: Brand new
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Description:
This IR-blocking filter cannot be mixed with the function for heat-resisting protection filters for projectors or spotlights. Instead, it is intended for the use as protection for IR-sensitive CCD sensors or in the light path of illumination devices with low thermal characteristics. IR filter can block all visible light under 720nm. It gradually begins to absorb infrared radiation; long wave red light is slightly weakened, so that this filter has a subtle green tint. However, this can be readily corrected electronically in CCD applications.
720nm: Suitable when at dawn or under faint light.
850nm: Suitable for indoor and weak light use.
950nm: Suitable for outdoor and strong light use.
This IR-blocking filter cannot be mixed with the function for heat-resisting protection filters for projectors or spotlights. Instead, it is intended for the use as protection for IR-sensitive CCD sensors or in the light path of illumination devices with low thermal characteristics. IR filter can block all visible light under 720nm. It gradually begins to absorb infrared radiation; long wave red light is slightly weakened, so that this filter has a subtle green tint. However, this can be readily corrected electronically in CCD applications.
720nm: Suitable when at dawn or under faint light.
850nm: Suitable for indoor and weak light use.
950nm: Suitable for outdoor and strong light use.
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