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1.25in. Orion Variable Polarizing Telescope Filter |
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• Variable polarizing filter acts like a dimmer switch for your telescope, to tone down brightness • Reduced brightness and glare unmasks detail in your viewing subject and greatly improves contrast • Adjust the amount of light transmission from 1% to 40% • The filter has an anodized aluminum cell, which threads into the barrel of any standard eyepiece • Storage case included. 1.25" This versatile 1.25" Orion Variable Polarizing Telescope Filter acts like a dimmer switch for your telescope, toning down the brightness of the Moon or planets to a comfortable level and revealing more surface details. It consists of two high-grade glass polarizing filters in a rotating cell that allows you to vary the amount of light transmission from 1% to 40%. Such control is highly desirable for lunar observing because the Moon's brightness varies with its phase and with the aperture and magnification of the telescope you are using. It's also a must for viewing the Moon in daylight hours. Reducing the glare to an optimal level will reveal dramatically more lunar and planetary features, without significantly altering the objects' color. |
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