Zhumell astronomical filters are a great way to enhance astronomical viewing. Compatible with any standard 1.25-inch-format eyepiece, Zhumell astronomical filters help to bring out contrast and definition in astronomical objects. The #38, Dark Blue Astronomical Filter provides detail in clouds, brings out surface phenomena and darkens red areas on Mars. Dark blue also increases contrast on Venus, Saturn, and Jupiter in large scopes. You'll enhance your viewing pleasure with a Zhumell dark blue filter! Get on target with a Zhumell laswer collimator.
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