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SV503 70 product image

SVBONY Flatfield Refractor Telescope for Astrophotography SV503 70

$865.00 Regular Price
$575.00Sale Price
GST Included |

SVBONY Flatfield Refractor Telescope for Astrophotography SV503 70

 

Key Features

  • Integrated Flat‑Field Optics

    Built‑in flat‑field design delivers edge‑to‑edge sharpness and reduced field curvature for astrophotography.

  • ED Glass Lens

    70 mm aperture with ED FPL51 and lanthanum glass reduces chromatic dispersion and improves contrast.

  • Dual‑Speed Focuser

    1:10 dual‑speed focus knobs allow precise fine focusing for both visual and imaging.

  • Fast f/6.78 Design

    f/6.78 focal ratio supports bright wide‑field views of nebulae, galaxies, and star clusters.

  • Retractable Lens Hood

    Adjustable hood blocks stray light and enhances contrast for clearer night sky observation.

  • Note: It needs to be paired with a diagonal or an extension tube to focus.

Please note this product is shipped direct from the Manufacturer in China

Quantity
SKU: F9359E
  • Specifications

    Brand  SVBONY
    Model  SV503
    Aperture  70mm/2.8"
    Focal length  474 mm/18.7"
    Focal ratio  f/6.78
    Objective Type  2-Element ED lens with FPL51 and lanthanum special glass
    Corrector  2-element corrector installed in the tube
    Focuser  2.5" RAP focuser with 2" reduction adapter and M54x0.75 female thread
    Corrected and Flatfield  32 mm/1.3" with 100% correction
    Working distance from the 2" receptacle  127.5 mm/5"
    Tube length min.  365mm/14.4"
    Tube diameter  82mm/3.2"
    Dew shield diameter  93 mm/3.7"
    Tube weight incl. accessories  2685g/5.9lb
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