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Sky-Watcher Evoguide 50 APO Refractor Telescope - S11170

Sky-Watcher Evoguide 50 APO Refractor Telescope - S11170

Item #



    S11170 Evoguide 50 APO Refractor Telescope by Sky-Watcher

    Sky-Watcher Evostar refractors provide the finest images obtainable in their design class. These doublet refractors deliver dramatic, coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. Sky-Watcher Evostar refractors are the logical choice for the discriminating amateur astronomer looking for an investment in advanced instrumentation for exceptional viewing and astrophotography.

    • 50 mm apochromatic refractor with matched lens assembly with one ED element
    • 242 mm focal length (f/4.8)
    • 1.25" Helical focuser
    • Finder stalk

    SKU S11170
    UPC 050234111706
    Optical Info
    Optical Design ED Doublet
    Lens Coatings Fully Multi-Coated
    True Aperture (mm) 50
    Primary Aperture (mm) 50
    F/Ratio 4.8
    Focal Length (mm) 242
    Observational Info
    Dawes Limit 2.32
    Rayleigh Limit 2.79
    Limiting Mag. 11
    Minimum Magnification 9
    Maximum Magnification 98
    General Info
    Focuser 1.25" Helical
    OTA Length (Retract/Ext.) 10.5"
    OTA Outer Diameter 2.2"
    OTA Weight (with accessories) 1.9
    Mounting Accessories Guide Rings
    Included Case No
    Corrector No

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