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Alstar 1.25" Telescope Eyepiece Parfocal Rings, Set of Three

Name: Alstar 1.25 Telescope Eyepiece Parfocal Rings, Set of Three
Brand: A ALSTAR
SKU: 62ddb8b7eab63ff39b1861bef2089d48

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Amazon Eliminate the need to make focus adjustments when changing telescope eyepieces. They are made of precision machined aluminium with black anodizing. With parfocal ring equipped telescope eyepieces you can change magnifications quickly and easily. This set of 3 Alstar Parfocal Rings lets you make a set of non-parfocal 1.25" telescope eyepieces parfocal for more efficient observing. Also useful for setting focus point of calibration eyepiece used for focusing an imaging or guide camera.

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Description (1)

Eliminate the need to make focus adjustments when changing telescope eyepieces. They are made of precision machined aluminium with black anodizing. With parfocal ring equipped telescope eyepieces you can change magnifications quickly and easily. This set of 3 Alstar Parfocal Rings lets you make a set of non-parfocal 1.25" telescope eyepieces parfocal for more efficient observing. Also useful for setting focus point of calibration eyepiece used for focusing an imaging or guide camera.