SVBONY SV503 102/F7 ED Extra Low Dispersion Achromatic Refractor OTA Astronomical Telescope Introductory Stage for Astrophotography
Product Details
Specification:
Focuser:
1.Type of build: RAP ((rack and pinion)
2.Connection: 2-inch
3.Connecting threaded socket: M54*0.75
4.Ring clamp: Yes
5.Rotating：Yes
6.Gear reduction: 1: 10 Fine movement
Features:
1.The 102mm F/7 Extra-Low Dispersion refractor is portable telescope for observing and astrophotography. The very well corrected optics with moderate focal ratio and special glass offers an almost color-free image.
2.Ultra-wideband coating: On every glass/air surface, we use the best multi-coating to ensure maximum contrast.
3.Stable and precise 2" RAP focuser holds heavy photographic accessories safe, 360° rotation.
4.The 1: 10 micro-reduction is ideal for astrophotography and allows precise focusing.
5.Recommended for Advanced: Telescopes for experienced observers, but also for ambitious beginners.
6.Area of application: Astrophotography.
7.Included accessories: 2" to 1.25" Eyepiece adapter, Dew Shield, Lens Cover, 1.25" Dust Cover, 200mm Dovetail Plate and Optics Tube Ring.
Package included:
1 x SVBONY SV503 Astronomical Telescope
1 x Pair Telescope Tube Ring
1 x 2"-1.25" Adapter
1 x Dovetail Plate
1 x Lens Cover
1 x 1.25" Dust Cover
BBC-1854712
| Size | Refractor |
| Aperture | 102mm / 4.01-Inch |
| Aperture ratio | f/7 |
| Coating | SMC |
| Focal Length | 714mm |
| Glass Grades | S-FPL51 |
| Light gathering capacity | 212x |
| Limit value | 12.1 |
| Max. Useful magnification | 204x |
| Resolving capacity | 1.17" |
| Tube material | Aluminium |
| Tube outer diameter | 121mm |
| Tube weight | 3.95kg |
| Type of build | Doublet air spaced achromatic |