SVBONY SV183 IR Pass Filter 2in, 685nm Astrophotography Filter,Infrared Telescope Filter for Photographing Moon Planetary Nature Scenery

Description

Compatibility--Camera - The IR pass filter is suitable for cameras which are sensitive for infrared light. Cameras with built-in IR block filter cannot be used with this filter. But DSLR cameras with removed IR protection filter and CCD cameras are suitable for infrared photography.--Telescope - The IR pass filter is 2in fit for any 2in telescope and telescope accessoriesApplication - Long-distance photography at daytime - due to reduced diffraction, mist becomes more transparent, as the skin in the image of the Hand- Planetary photography - removing the shorter wavelengths has a calming effect on the seeing. Especially Venus and Mars images become spectacular.Techonology--Durable and stable-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--Wide aperture-The filter cell is made of lightweight, strong metal and is CNC machined, sand-blasted, black anodized, and then laser engraved. The result is a super thin filter cell that will produce a clear aperture of 26mmSpecification:Model: SV183Product Name: IR Pass 685nm FilterSubstrate Thickness: 1.1mmClear Aperture：44mmWavelength Range: 350-1100nmλcut-on: 670nmBlocking: OD2@400-660nmPeak Transmittance: 670nm@T=50% 673-1100nm@T>95%Surface Quality：60/40Surface Parallelism: 1/4λParallelism: 30”Material：AluminumThread: M48x0.75Package Details：1xIR PASS 685nm 2in1xPP Plastic Box Review: Very good filter. - Very good filter I use only few times but very impressive I really recommend. Review: schnelle Lieferung, problemlos - Ware wie beschrieben und erwartet, zügiger Versand, alles gut