SVBONY Flatfield Refractor Telescope for Astrophotography SV503 70
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





