This is the most antireflective that has ever been undertaken with color filters.Planeoptically polished to within 30 seconds of arc for a sharp image at high magnification with non-ageing sealed coating edges.Multi-coated for max contrast: no reflections, scatter or dimming.The most important criterion for any kind of light filtering is brigthness.
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Each individual filter is optically fine-polished to 1/4 wave and are hard coated. Baader filters are continually tested to comply with MIL-specifications. PICK UP OPTION.
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Use a lens cloth or cover to cover the finder lens to avoid operation! This solar filter film could filter the sun's rays efficiently,allow you view the sun safety. Two sides high density coating without streak and blister point ensure the safety of the user's eye.
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Baader H-beta 8.5nm CCD Filter 1.25". In addition to their special transmission properties, the Baader coatings were developed with another key goal in mind - to reduce the annoying reflections present in other astro-filters.
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Density of film: 5.0. is provided once the item is dispatched. For 110-132mm objective lens.
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1, 100-240mm Baader Filter. Opti cal a pe rture : 100 mm. We will send you a new one after receiving the defective item. 2, 3pcs long fixing screws. If item is defective after 3 months, you can still send it back to us.
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