SVBONY SV503 Refractor 102mm ED F7 Telescope Set for Astronomical Visual Observations
102mm Aperture Objective Lens
Rotate 360 Degree
Dual Speed Focusing
Specifications
| Model | SV550 | Model | W2757A | |
| Type | Refractor | Barrel Size | 1.25" | |
| Type of build | Doublet air spaced achromatic | Magnification Factor | 2X | |
| Glass Grades | S-FPL51 | Lens Material | Pure Optical Glass Lens | |
| Aperture | 102mm / 4.01-Inch | Lens Coating | Multilayer HD Broadband Green Film | |
| Focal length | 714mm | Sleeve Material | Metal | |
| Aperture ratio | f/7 | Thread | M42*0.75 Pitch | |
| Resolving capacity | 1.17" | Total Height | 75mm | |
| Limit value | 12.1 | Color | Black | |
| Light gathering capacity | 212x | Total Weight | 430g | |
| Max. Useful magnification | 204x | |||
| Tube weight | 3.95kgs (8.6lbs) | |||
| Tube outer diameter | 121mm | |||
| Tube material | Aluminium | |||
| Type of build | RAP (rack and pinion) | |||
| Rotating | Yes | |||
| Gear reduction | 1:10 Fine movement |
| Model | W2370A | Model | SV182 | |
| Length | along the 34mm | Lens Diameter | 30 mm | |
| Width of internal slot | 4.2mm | Focal Length | 120 mm | |
| Horizontal length of internal slot | 36.5mm | Magnification | 6x | |
| Vertical length of internal slot | 36.5mm | Eye Relief | 15mm | |
| Can be fixed | M3-M4 screw | Exit Pupil | 5mm | |
| Color | Black | Field of View | 7.5° | |
| Weight | 41g | Lens coating | FMC | |
| L*W*H | 45*40*25mm | Objective | Achromatic 2-Element | |
| Net Weight | 225g / 0.49lb / 7.92oz |
| Model | SV188P | Model | W9119A | |
| Size | 1.25-Inch | Length | 75mm | |
| Coatings | Dielectric | Dimensions (mm) | 59*75mm | |
| Reflectivity | dielectric 99% coating for bright images | Material | Aluminum Alloy | |
| Material | Aluminum Alloy | Color | Black | |
| Filter Threads | M28.5*0.6 | Size | 2" | |
| M4 Set Screws | Yes | |||
| Net Weight | 125g / 4.41oz |
- Features
- FPL-51 extra-low dispersion glass ED element
2. Dual Speed Focuser
3. 102mm Aperture
4. Metal Hoop
5. ED Lens - Effectively Eliminate Chromatic Aberration
6. Gear Ratio 1:10
7. 360-degree Rotation
Applicable Accessories
