SV550 80 APO for Prime Focus Photography - Connected to M48 Camera Ring
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Key Features
Uses SV550 80 APO OTA and accessories to capture nebulae, clusters, and deep‑sky targets directly at prime focus.
Apochromatic FPL51 ED glass produces sharp, high‑contrast stars and minimal chromatic aberration.
Includes SV209 flattener, SV210 rotator, and SV165 guide scope for stable deep‑sky imaging setups.
M48*0.75 camera ring adapter allows direct connection of DSLR or dedicated astro cameras.
2.5″ dual‑speed rack‑and‑pinion focuser enables fine focus control for critical planetary and deep‑sky shots.
This sv550 prime focus photography, also known as direct focus photography, is a method of directly using the telescope to take pictures without adding any optical objects between the telescope and the camera.
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M48*0.75 Nikon Adapter
M48*0.75 Canon Adapter
OTA+Focal Reducer+CAA+Guide Scope
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| Model | SV550 |
| Type | Refractor |
| ED Glass | FPL51 |
| Coating | SMC |
| Aperture | 80mm |
| Focal length | 480mm |
| Focal Ratio | f/6 |
| Limit magnitude | 11.6 |
| Resolution | 1.45 arc seconds |
| Lens design | Apochromatic |
| dovetail plate length | 150-175mm |
| barrel weight | 2900g |
| mirror Brief Size | 377.8mm |
| Net weight | 3750g |
| Gross weight | 3850g |
| Model | SV209 |
| Connection at telescope side | M63x1 male thread |
| Connection 1 at camera side | M63x1 thread female - working distance 103 mm |
| Connection 2 at camera side | M48x0.75 male thread - working distance 55 mm or 91.5 mm |
| Fully illuminated field | 45 mm（SupportFull Frame Sensors） |
| Number of elements | 2 lenses |
| Factor | 0 - no change of focal length to the focal plane |
| Coating | FMC |
| Diameter of the housing | 67mm |
| Length | 5 mm without the male thread |
| Brand | SVBONY |
| Model | SV210 |
| Product Name | M63 CAA 360° Rotator Camera angle adjuster |
| Extension thickness | 20.7mm |
| Fit for | SV550 80F6 |
| Locking Screw | M4 |
| Positioning lock Function | Yes |
| Male Thread | M63x1 |
| Female Thread | M63x1 |
| Length of Male Thread | 8mm |
| Length of Female Thread | 9mm |
| Material | 6061T |
| Color | Black |
| Net Weight | 91.2g/3.22oz |
| Model | SV165 |
| Aperture | 30mm |
| Focal length | 120mm |
| Focal Ratio | F4 |
| Hoop and Mount | Yes |
| Tube travel | 45mm |
| Back Focus Length | 26mm |
| Mount | UNC 1/4-20 |
| Material | Aluminum |
| Surface technology | Sandblasting oxidation |
Features
- 1. Finder base included
2. Triplet APO apochromatic objective lens structure & FMC coating
3. 2.5" dual-speed rack-and-pinion focuser
4. Extreme extinction process - 5. Hollow-out standard 180mm dovetail plate
Telescopes
SV550_User_Manual
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