Astromania 2 Inch Telescope Eyepiece Extension Tube Adapter Optical Length 80Mm With Standand 2 Inch Filter Threads Phone Mounts Key Features: Long Range Communication:

Key Features: Long Range Communication: Operates effectively over significant distances

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This Cord Is Compatible With A Wide Range Of Standard Outlets And Appliances

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Astromania 2 Inch Telescope Eyepiece Extension Tube Adapter Optical Length 80Mm With Standand 2 Inch Filter Threads Phone Mounts Key Features: Long Range Communication:Astromania 2 Inch Telescope Eyepiece Extension Tube Adapter Provide Extra Focuser Back Travel Sometimes Needed To Achieve Focus With Certain Eyepiece Or Telescope Combinations. More Back Travel Is Often Needed For Short Range Terrestrial Viewing Or With Use Of A Field Flattener, Coma Corrector, Or Focal Reducer Lens. Extension Tube Provides Extra Focuser ''Back Travel'' Often Needed For Short Range Terrestrial Viewing Through A Telescope, Or For