* Block all UV and IR, allow visible spectral range to pass. Recommanded for CCD digital image sensor. * Protects your valuable lens and the like from excessive heat-stress (ie, from cooking the immersion liquid! * Stays cool and will not shatter if subjected to great thermal stress, since even intensive radiation is not absorbed - as with ordinary “heat protective Filters”. * 99% Transmission average across the visible spectrum. * Enables pinpoint star images with digital and CCD- equipment.Hard and absolutely scratch resistant 10-layer - multicoat featuring * Freedom from ghost images due to highest quality coatings.'Black-ink' egde process, minimize inner reflection * Plane optically polished! Retains full image resolution even at highest magnification during solar observation or eyepiece projection.
Trustpilot
3 weeks ago
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