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50mm Standard Optical Finderscopes

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Arcturus Black 9x50 Right-Angle Correct-Image Finder Scope

* This crosshair finder makes aiming your telescope easy by showing an upright, non-reversed image * Right-angle design lets you view in comfort. No more crouching or craning your neck. * Powerful 9x magnifying power, 50mm-diamter objective lenses and 5-degree field of view * Fully coated, achromatic glass optics yield crisp, bright images * Dovetail foot fits many  scopes; optional dovetail base available to fit most  scopes


Our price: $99.95 (€86.96)
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Celestron Illuminated Right Angle Correct Image Finderscope

Upgrade your finder and stop straining your neck & back!

This well-built 9x50 finder displays right side up, left-to-right correct views, a great choice for both daytime and nighttime use.

Illuminated double-crosshair reticle doesn’t hide stars.

Includes double ring bracket with integrated dovetail.


Our price: $109.95 (€95.66)
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Explore Scientific 8 x 50 Non-Illuminated Finder Scope

8 x 50 Non-Illuminated Finder Scope

The 8x50 finder scope has a standard crosshair to help you center objects precisely. The straight-through, non-erect image viewer has a 6° field of view.


Our price: $84.99 (€73.94)
Market price: $167.99 , save 49%
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Explore Scientific 8x50 Erect Image Illuminated Finder Scope

8 x 50 Illuminated Finder Scope

The illuminated reticle of the 8x50 Viewfinder with its scale markings and open center not only helps you center objects precisely, but gives a reference of the exact field of view in degrees. The deep red illumination has variable brightness. The Explore Scientific 8 x 50 produces a wide field of view and allows precision focus of both main objective and eyepiece illuminated reticle.

50 finder scope has a standard crosshair to help you center objects precisely. The straight-through, non-erect image viewer has a 6° field of view.


Our price: $189.99 (€165.29)
Market price: $400.99 , save 53%
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Explore Scientific 8x50 Erect Image Illuminated Polar Finder Scope

8 x 50 Illuminated Finder Scope

The illuminated reticle of the 8x50 Viewfinder with its scale markings and open center not only helps you center objects precisely, but gives a reference of the exact field of view in degrees. The deep red illumination has variable brightness. The Explore Scientific 8 x 50 produces a wide field of view and allows precision focus of both main objective and eyepiece illuminated reticle.

50 finder scope has a standard crosshair to help you center objects precisely. The straight-through, non-erect image viewer has a 6° field of view.


Our price: $239.99 (€208.79)
Market price: $511.99 , save 53%
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Meade #828 Rear Focus Viewfinder, 8x50mm, blue tube, with bracket

Meade 8x50 Rear Focus Viewfinder #07828. Easily locate and center deep sky objects with this straight-through viewfinder with convenient rear focus. As used on and includes quick release mounting bracket for Meade LX90 and LX200 models. The Meade blue finish matches the LX90 and LX200 optical tubes.


Our price: $69.99 (€60.89)
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Meade #829 Rear-Focus Viewfinder - White tube

Meade #829 Rear-Focus Viewfinder #07829. Easily locate and center deep sky objects with this straight-through Meade Model #828 8x50 Rear-Focus Viewfinder. Includes mounting bracket for Meade LX90 and LX200 models. The large 5 degree field of view with crosshairs on the viewfinder provides an easier way to initially sight objects during the alignment process than looking through the main telescope's eyepiece. Includes thumbscrews to align the viewfinder to the main telescope and rubber eyeguard.


Our price: $69.99 (€60.89)
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Stellarvue 50mm Straight Though Finderscope

Stellarvue's top rated 50mm Optical Finderscope - straight through viewing This is the straight through version of the F50M2 finderscope. It features the same 1 1/4" helical focuser as the F50M2 mounted in line with the light cone, eliminating the correct image erecting prism. This gives you the sharpest image and straight through viewing with an inverted image. It comes with our standard 50 degree 23mm fully multicoated crosshair eyepiece. This eyepiece has a focusing crosshair reticle and may be used with an illuminator available below. This finderscope weighs only 17 1/2 ounces with eyepiece. It will work with our standard 50 mm ring systems. This finderscope can be used as an autoguider using the LAA lens below.


Our price: $179.00 (€155.73)
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Stellarvue 9x50 Top Rated RA Correct Image Finderscope - White - F050W2

This is an improved version of the popular F50 finderscope. This new version is white or matte gray in color and has a rotating back (requires some finder re-alignment after rotation). It comes with our standard 50 degree 23mm fully multicoated crosshair eyepiece. This eyepiece has a focusing crosshair reticle and may be used with an illuminator like the Rigel Pulse Guide illuminators available below. Includes our high resolution 50mm optical system, helical 1.25" focuser with rubber grip and fully multicoated correct image erecting prism. The finderscope weighs only 19 ounces. Available in White and Matte Dark Gray


Our price: $159.00 (€138.33)
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