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Product Description
The SV550 APO Triplet refractor with 80mm aperture and fast f/6 focal ratio, it is definitely a great travel telescope for observation and astrophotography.
Apochromatic 3-element Objective
The triplet apochromatic optics structure (1 piece of S-FPL51 low dispersion ED glass + 2 pieces of correction glass) is adopted to significantly improve the image quality of the captured image (15.8% increase by the spectrometer calculation). Significantly reduces edge dispersion resulting in blue fringing problems.
2.5 inches 1:10 Dual-speed Focuser
The 2.5-inch focusing base can effectively reduce the vignetting problem when connecting to a full-frame camera, and the FPL51 APO can improve the quality of the captured images.
The Elimination Of Stray Light
4 extinction light bars are used inside the lens barrel, which can eliminate all stray light interference on the inner wall of the lens barrel.
Focal Length of 480mm
To remove the 2-inch adapter from the focuser, you will need to loosen the three small screws on the side of the adapter (as indicated in the red circle in the image). Please use an appropriate Allen wrench to gently loosen these screws; there is no need to completely remove them down. Once the three screws are sufficiently loosened, you can turn the adapter counterclockwise to detach it, allowing you to proceed with installing the SV209 flat field lens.
Additionally, if you experience any loosening of the focuser adapter during use, you can also adjust the tightness of the small screws to secure it properly.
What's in the Box
Specifications
| Brand | SVBONY |
| Model | SV550 |
| Aperture | 80mm |
| Focal Length | 480mm |
| Focal Ratio | f/6 |
| ED Glass | FPL51 |
| Telescope Type | Refractor |
| Resolution | 1.45 arc seconds |
| Coatings | FMC |
| Limiting stellar magnitude | 11.6 |
| Lens design | Apochromatic |
| Dovetail plate length | 150-175mm |
| Barrel weight | 2900g |
| Mirror Brief Size | 377.8mm |
| Tube material | Aluminum |
| Focuser | 2.5'' rack-and-pinion,dual speed(1/10) |
| Load bearing of focuser | 5kg |
| Tube Outer Diameter | 103mm |
| Tube Travel | 80mm |
| Dew shield type | Retractable |
| Additional thread | M63×1 female thread for photo adaptions |
| Net weight | 3750g |
| Gross weight | 3850g |
| Package size | 440x220x210mm |
What can I see with a SVBONY SV550 80mm F6 APO Triplet Refractor OTA | F9381A?
Here are some simulated views of common objects. Results with your telescope will vary with viewing conditions, obrits, equipment and more.
Jupiter with
25mm Eyepiece - 19x Magnification
(Sold Separately)
Jupiter with
10mm Eyepiece - 48x Magnification
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Jupiter with
5mm Eyepiece - 96x Magnification
Sold Separately
Moon with 25mm Eyepiece
19x Magnification
(Sold Separately)
Moon with 10mm Eyepiece
48x Magnification
Sold Separately
Moon with 5mm Eyepiece
96x Magnification
Sold Separately
Andromeda with 36mm Eyepiece
13x Magnification
Sold Separately
Andromeda with 25mm Eyepiece
19x Magnification
(Sold Separately)
Andromeda with 10mm Eyepiece
48x Magnification
Sold Separately
