ฟิลเตอร์ SVBONY IR Pass 685nm Filter, 1.25" - Reduction of seeing effects, heightened contrast
- Great asset for daylight IR-imaging with a digital camera lessening seeing effects
- Improved contrast when utilized for lunar and planetary imaging
- Darken twilight sky background, allowing images of moon and planets to be taken at dawn or dusk
- Made with high-end glass: multi-coated with ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength
- Filter cell made of lightweight, strong metal. CNC machined, sand-blasted, black anodized, then laser engraved.
- Super thin filter cell with clear aperture of 26mm (for 1.25" version) or 44mm (2" version)
- Can also be used for nature photography in the Near-IR, revealing stunning differences in plants, sky, and clouds (requires the use of a camera that is sensitive to IR above 670nm, such as a modified DSLR or webcam)
- Presented in a high-quality filter box
- Quickly capture dark frames to optimize photo quality
- Opaque - blocks all light from the imaging camera sensor. Help remove dark currents - essential for astrophotography
- Easily eliminate camera noise and hot pixels
- Dark frame acquisition helps remedy such noise and "hot pixels" by canceling out these disruptive effects during image processing
- Threaded and can be directly connected to your filter wheelfor fast conversion between different filters;
- Made of metal for durability. High quality packing box includes foam-lined plastic case
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