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Description
Apertura 25mm Extension Ring
with M117 ThreadsThis Apertura 25mm Extension Tube is designed for the GSO 10" Ritchey-Chretien Astrograph, but it will also work with the GSO 12" RC or any product that accepts M117 threads. It is meant to be placed between the telescope and the focuser to extend back focus by 25mm. You can stack different lengths of extension rings to achieve the back focus you require for your imaging set-up. With an extension added at this location, you won't have to extend the draw tube as far, which will minimize downward tilt with heavy loads.
Supplier SKU
A-RC1025
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Dimensions & Specifications
Model Number: RC1025
Extension or Spacer Size(s): .98" or 25mm
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Product Guarantee
We stand behind all the products we sell, and your satisfaction is our top priority. If you're not satisfied with the quality of your purchase, simply send the item back to us in its original packaging within 30 days of its delivery.
Manufacturer Warranty
Apertura Absolute Warranty: Initial 2 year warranty against product defects, followed by a 3 year accident replacement program.
Return & Exchange Policy
At our site, returns are easy! You may return new, unused, and resalable items for a refund or exchange. Simply ensure that the item is returned in its original product packaging within 30 days of delivery.
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