This Questar 1.25” slip-fit adapter tube threads into the Cassegrain focus opening (Axial Port) at the rear of a 3.5” Questar astronomical telescope or spotting scope for axial viewing and to allow you to use an image erecting diagonal with your scope. The Questar #19451 image erecting diagonal (or any other 1.25” image-erecting diagonal) slips into the 1.25” barrel of this adapter and is held in place by two thumbscrews. Made of machined aluminum, anodized black.
Shipping is free on this Questar item if it is purchased with a Questar scope that is being drop-shipped to you from the Questar factory. If this item is being purchased by itself as a special order item, a $9.95 freight charge and a 14-day or longer delivery time will apply. The $9.95 freight and a $20 Questar drop-ship charge will apply if faster delivery is required and it must be drop-shipped to you from Questar.
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