Optolong Venus U Planetary Filter

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The Venus-U filter makes it possible to obtain photographs, CCD or video images in the UV-A (320-400nm) and observe Venus' cloud structures. Main Use and Performance For use with m onochrome CCD cameras. You will need to remove the cover glass of the sensor and internal UV-IR blocker in order to pass UV light. The same holds true for mono DSLRs that have built-in low pass filters, these needs to be removed. For DSLRs you will need a special UV lens together with camera body. The sensor of CCD or CMOS cameras are capable of detecting light in the 350-1100 nm range. Technical Data Schott substrate material Thickness 2.0mmSurface Quality: 60/40 (Refer to MIL-O-13830)Fine-optically polished to ensure accurate 1/4 wavefront and Show more