Orion V-Block Filter - 1.25-inch
|V-Block filter effectively removes the distracting color halos from around bright objects |
When using refractor telescopes, it's normal to see some purple-colored fringing or halos around bright celestial objects. The V-Block filter effectively removes distracting color halos from around bright objects viewed achromatic refractor telescopes. Using a V-Block filter with a refractor telescope can greatly improve sharpness, color, contrast, and resolution of especially bright celestial objects. The Orion V-block filter is intended for both visual and astrophotographic use.
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