This SV503 telescope combination set includes a 102mm ED F7 refractor telescope, a SV223 90 degree diagonal mirror, a SV182 6x30 right-angle correct-image optical finder scope, a SV211 203mm saddle handle bar and a universal dovetail base. It is a suitable telescope visual set for astronomy.
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SVBONY SV503 Refractor 102mm ED F7 Telescope Visual Set for Astronomy
GREAT VALUE !
Great scope for Astrophotography beginners. It is well constructed and made solid. It's compact. Easy to breakdown, pack it up and move around. However, I only had once chance to use it since received. Mostly cloudy nights, not good for observations. During the one night used, it performed great with my onboard planetary software, PHD2, Sharpcap and CDC. I was able to capture the M42 briefly as a test run. It turned out well for the first time. This is a great scope considering the cost. I was looking for something that wouldn't break the bank. I'm totally satified with it. I went further installing the ZWO EAF auto focuser. It works great and perfect match for the scope, easy to install.
The ZWO ASI533 mc pro camera is compatible with the scope. Perfect match.
I highly recommend this scope for beginners, like me!
Specifications
| Brand | SVBONY |
| Model | 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 |
| Brand | SVBONY | Brand | SVBONY | |
| Model | SV223 | Model | SV182 | |
| Size | 2inch | Lens Diameter | 30mm | |
| Optical Design | Mirror Diagonal | Focal Length | 120mm | |
| Inner Connection (Lens Sided) | Thread M48x0.75 | Magnification | 6x | |
| Outer Connection (Lens Sided) | Barrel 2inch | Eye Relief | 15mm | |
| Inner Connection (Eyepiece Sided) | Clamp 2inch | Exit Pupil | 5mm | |
| Reflection Surface | Dielectrically Coated | Field of View | 7.5° | |
| Reflectivity | >99% | Lens coating | FMC | |
| Image Orientation | Erect image, Mirror Inverted | Image Orientation | Correct-image | |
| Optical Length | appr. 109.1mm | Reticle | Single crosshair | |
| Clamping System | Clicklock | Adjustment System | Spring-loaded X-Y | |
| Deflection Angle | 90° | Objective | Achromatic 2-Element | |
| Clear Aperture | 43mm | IIIuminated | No | |
| Material | Metal | Adjustable focus | Yes | |
| Thickness of Mirror | 11.5mm | Viewing angle | 90 Degree | |
| Net Weight | 573.7g/20.24oz | Net Weight | 295g / 0.651b / 10.41oz |
| Brand | SVBONY | Brand | SVBONY | |
| Model | SV211 | Model | W2370A | |
| Color | Red | Length | along the 34mm | |
| Material | 6061T Aluminums | Width of internal slot | 4.2mm | |
| Length | 203mm | Horizontal length of internal slot | 36.5mm | |
| Width | 42mm | Vertical length of internal slot | 36.5mm | |
| High | 39mm | Can be fixed | M3-M4 screw | |
| Net Weight | 161.5g/5.7oz | Color | Black | |
| Fit For OTA | SV503 102mm f/7、SV550 122mm f/7 | Weight | 41g | |
| Distance Between Two M6 Screws | 187mm | L*W*H | 45*40*25mm |
