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More Information  · Recommended Accessories Price $159.00 List Price $249.00 Power 5x Number of optical elements 4 Barrel Size 1.25" Warranty 1 year

This very high power 5x optical system is a perfect match for short focal length refractors or reflectors – particularly for viewing or imaging planets in minute detail. It uses an advanced four-element optical design that delivers a flatter field-of-view with sharper field edges than even the best three-element apochromatic Barlows. All air-to-glass surfaces of its four premium optical glass lenses are fully coated with multiple layers of individually tuned ion-deposited anti-reflection materials for maximum light transmission and contrast. The lens edges and all internal metal surfaces are blackened to maximize the image contrast. Eyepieces are held in the “TeleXtender" by a non-marring clamp ring that won’t scratch your eyepieces as a conventional metal thumbscrew can. A safety groove machined into the instrument’s chrome barrel keeps the “TeleXtender" and eyepiece from falling should the focuser thumbscrew loosen accidentally.

This image amplifier quintuples the power of any eyepiece used with it. Those who must wear eyeglasses while observing will particularly appreciate the fact that it gives very high powers while maintaining the comfortable eye relief of longer focal length eyepieces. In many cases, depending on the eyepiece used, there will be no vignetting of the image while observing at high powers.