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Festive Deal Svbony Sv503 70mm F/6.78 Ed Quadruplet Telescope – Flatfield Ready Take An Extra 80% Off [5lTBKuw1]

$71.99 $230.99 -69%

SVBONY SV503 70mm f/6.78 ED Quadruplet Refractor TelescopeFlatfield Astrograph with Built-In Correction & ED Glass – Perfect for APS-C CamerasBuilt-In Flatfield Correction: No separate field flattener required4-Element ED Lens: Features FPL51 and

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Festive Deal Svbony Sv503 70mm F/6.78 Ed Quadruplet Telescope – Flatfield Ready Take An Extra 80% Off [5lTBKuw1]

SVBONY SV503 70mm f/6.78 ED Quadruplet Refractor Telescope

Flatfield Astrograph with Built-In Correction & ED Glass – Perfect for APS-C Cameras

  • Built-In Flatfield Correction: No separate field flattener required
  • 4-Element ED Lens: Features FPL51 and lanthanum glass for excellent colour control
  • Fast & Bright: 70mm aperture, 474mm focal length (f/6.78) ideal for nebulae and widefield imaging
  • Dual-Speed 2" Crayford Focuser: Fine focus at 1:10 ratio for pinpoint stars
  • Retractable Lens Hood: Blocks stray light and protects the optics during storage
  • 1.25" & 2" Eyepiece Compatibility: Switch easily between visual and imaging setups

What’s in the Box

  • SV503 70mm ED OTA
  • Retractable Dew Shield
  • 2" Dual-Speed Crayford Focuser
  • 1.25" & 2" Eyepiece Adapters
  • Tube Rings & Vixen-Style Dovetail Plate
  • Dust Caps & Manual

Technical Specifications

Optical Design Quadruplet APO Refractor
Aperture 70mm
Focal Length 474mm
Focal Ratio f/6.78
Glass FPL51 + Lanthanum
Field Flattener Built-in, for APS-C cameras
Focuser 2" Crayford, 1:10 Microfocus
Mounting Tube Rings with Vixen Dovetail
Weight (OTA) Approx. 2.5kg

Designed for high-quality widefield astrophotography with DSLRs or CMOS cameras using APS-C sensors. Flat, sharp stars across the frame – no flattener needed.

What Our Customers Say

February 7, 2026

Absolutely no complaints!

A very smart and well-made product.

- Nevaeh U..

February 7, 2026

Absolutely no complaints!

A purchase I am very, very satisfied with.

- Victor G..

February 7, 2026

Absolutely no complaints!

It’s a very well-made, truly premium item.

- Blake J..

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