SVBONY SV183 IR Pass Filter 2 Inch T685nm Telescope Filter

SVBONY SV183 IR Pass Filter 2 Inch T685nm Telescope Filter

• SV183 IR Pass 685nm filter; M48*0.75 thread; standard 2 inches can be connected with eyepieces or telescope cameras with the same thread to achieve the purpose of observation or shooting
• Telescope filter cell is made of lightweight; strong metal and is CNC machined; sand-blasted; black anodized; and then laser engraved
• The IR Pass filter blocks wavelengths below 670nm; reduce the effects of seeing when used in IR-LRGB imaging of the moon and planets
• Sufficient reduction of seeing effects; heightened contrast; the IR Pass filter can be a great asset for daylight IR-imaging with a digital camera lessening seeing effects and improving contrast when utilized for lunar and planetary imaging
• The IR Pass 685nm filter is made with high-end glass that has been multi-coated with an ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength
• The filter can darkens the twilight sky background; allowing images of moon and planets to be taken at dawn or dusk
• The IR Pass 685nm filter is presented in a quality filter box; protects the product from damage in transit and facilitates storage when not in use