Description
- High-Quality Optics: SV503 Telescope’s objective lens features an S-FPL51 extra-low dispersion glass ED element, which virtually eliminates chromatic aberration;
- Doublet Air-Spaced Achromatic Design: The 2-element objective lens provides sharp and high-contrast images for travel and mobile use;
- 2-Inch Rack and Pinion: The 2 inch RAP focuser securely holds heavy photographic accessories, providing smooth and precise focusing;
- Versatile for All Users: While perfect for experienced observers, the SV503 is also an excellent choice for beginners, offering authentic, high-quality images for more discerning astronomers;
- Area of application: You can apply SV503 OTA to astrophotography, moon,nature observation, nebulae and galaxies.
Note: The SV503 70ed is designed with f/6 focus ratio. When reducing the focus further, the image quality will not be guaranteed. This is why 0.8x flat field is not available.
SVBONY SV503 70F6 ED Doublet Astronomy Photography Telescope
Dual-Speed Rack & Pinion Focuser
Back Focus 90mm
1.97 Arc-second Resolution
Compatible Adapter 1.25/2inch
Metal Hoop With Dovetail
Specifications
| Product Name | SVBONY SV503 70F6 ED Astronomy Telescope |
| Type | Refractor |
| ED Glass | S-FPL51 |
| Coating | SMC |
| Aperture | 70mm / 2.75-Inch |
| Focal length | 420mm |
| Focal Ratio | f/6 |
| Type of Focuser | RAP (Rack and Pinion) |
| Gear Reduction | 1:10 Fine movement |
| Resolving capacity | 1.97" |
| Limit value | 11.3 |
| Light gathering capacity | 100x |
| Max. Useful magnification | 140x |
| Tube weight | 2.22kg |
| Tube outer diameter | 88mm |
| Tube material | Aluminum |
| Back Focus Length | 90mm |
| OTA Length | 318mm |
| Dovetail & Ring | Yes |
| Dovetail Length | 150mm |
Additional Resources