Alstar 2 Inch Telescope Eyepiece Extension Tube Adapter Optical Length 80Mm With Standand 2 Inch Filter Threads
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Alstar 2 Inch Telescope Eyepiece Extension Tube Adapter Optical Length 80Mm With Standand 2 Inch Filter Threads
$45.67
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Alstar 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 Astrophotographic Applications. Fits In 2'' Telescope Focusers, And Accepts 2'' Eyepieces Or Accessories. Features Two Locking Thumbscrews To Secure Any Inserted Astronomy Accessory, With A Brass Compression Insh To Prevent The Marring Of Your Telescope Accessories. Machined Of High Quality Aluminum And Anodized Black, Durable For Long Time Use.
⚠️ WARNING (California Proposition 65):www.P65Warnings.ca.gov .
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