SV503 102ED Telescope - SV193 Focal Reducer With SV188P Diagonals For Visual Observation
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Key Features
ED optics plus reducer deliver crisp, low‑chromatic visuals.
0.8× reducer flattens field for wider, sharper observing.
Diagonal and UV/IR filter improve contrast for lunar and planetary views.
Telescope bundle ships duty‑free with easy returns and warranty.
All‑in‑one setup includes focuser, reducer, diagonal and filter.
Set includes:
- SV503 102ED Telescope
- SV193 focal reducer
- SV211 handle bar(screws and mout screws inside)
- SV188P 90 Degree Dielectric Mirror Diagonal
FAST shipping, duty-free
⚡ Shipped: 72 hrs after ordering (Pre-sale products excluded).
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SV503 102ED Telescope - SV193 Focal Reducer With SV188P Diagonals For Visual Observation
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Specifications
| Product | SVBONY SV503 102F7 ED Astronomy Telescope |
| Type | Refractor |
| ED Glass | S-FPL51 |
| Coating | SMC |
| Aperture | 102mm / 4.01-Inch |
| Focal length | 714mm |
| Focal Ratio | f/7 |
| Type of Focuser | RAP (Rack and Pinion) |
| Gear Reduction | 1:10 Fine movement |
| Resolving capacity | 1.17" |
| Limit value | 12.1 |
| Light gathering capacity | 212x |
| Max. Useful magnification | 204x |
| Tube weight（with rings） | 5.5kg |
| Tube outer diameter | 121mm |
| Tube material | Aluminum |
| Back Focus Length | 101.9mm |
| OTA Length | 630mm |
| Dovetail & Ring | Yes |
| Dovetail Length | 200mm |
| Model | SV193 |
| Fit For | SV503 102ED F7 |
| SKU | W9152D |
| Back Focus | 55mm |
| Barrel Size | 2-inch |
| Threads Standard | M48*0.75 |
| Lens Structure | 3-Elements/2Groups |
| Lens Coating | FMC |
| Blackened Lens Edges | Yes |
| Net Weight | 177g / 6.24oz / 0.39lb |
| Model | SV211 |
| Color | Red |
| Material | 6061T Aluminums |
| Length | 203mm |
| Width | 42mm |
| High | 39mm |
| Net Weight | 161.5g/5.7oz |
| Fit For OTA | SV503 102mm f/7、SV550 122mm f/7 |
| Distance Between Two M6 Screws | 187mm |
| Model | SV188P |
| SKU | F9171B |
| Size | 1.25inch |
| Optical Design | Mirror Diagonal |
| Coatings | Dielectric |
| Reflectivity | dielectric 99% coating for bright images |
| Material | Aluminum Alloy |
| Filter Threads | M28.5*0.6 |
| M4 Set Screws | Yes |
| Outer Connection(Lens Sided) | Barrel 1.25inch |
| Inner Connection(Lens Sided) | Thread M28.5x0.6 |
| Inner Connection(Eyepiece Sided) | Clamp 1.25inch |
| Reflection Surface | Dielectrically Coated |
| Image Orientation | Erect Image, Mirror Inverted |
| Thickness of Mirror | 11mm |
| Net Weight | 125g / 4.41oz |
Telescopes
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