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This is a used 9x50 finderscope in excellent condition, with only some minor marks on the body of the tube. The optics, however, are clean and clear. This is the 51611 model, to fit onto an SCT base on your SCT OTA. (Base not included.)
It includes the front cap, but not the rear, and does not have its original box. This is a nice discount off of the new price.
Large-aperture finder scopes let you see fainter objects than smaller finders, and this one will literally show you the light! It has a fully coated, 50mm achromatic objective lens with adjustable focus. It has 9x magnification and a standard (inverted) 5.5-deg field of view with superimposed crosshairs. The aluminum tube is baffled and blackened inside to enhance contrast. This finder comes with a cast-aluminum bracket with a standard Vixen dovetail foot that fits most telescopes. Alignment of the finder scope is easy and intuitive by virtue of the two perpendicular nylon thumbscrews and an opposing spring-loaded pin. Weighs 16 oz. Black.
- Large 50mm diameter black finder scope lets you see fainter objects compared to smaller finder scopes
- 9x magnification and a standard inverted 5.5-degree field of view with superimposed crosshairs makes it easy to aim your telescope
- Big 50mm objective lens collects more light than smaller finder scopes so you can detect more objects to explore with your telescope
- Includes a cast-aluminum bracket with innovative X-Y aim adjustment and a dovetail foot that fits most telescopes