SVBONY SV502 Astronomy Telescope for Kids
- 50mm Refractor Telescope
- 360mm Focal Length (f/7.2)
- Includes K20mm Eyepiece (1.25")
- 45-Degree Correct-Image Prism for Upright Views
- 5x20 Optical Viewfinder
- Adjustable Table-top Aluminum Tripod
See exactly how your targets fit with the SVBONY SV502 Astronomy Telescope for Kids, on real sky survey data.
Launch Imaging Assistant
See exactly what the SVBONY SV502 Astronomy Telescope for Kids shows you, on real sky survey data.
Launch Visual AssistantThe SVBONY SV502 Astronomy Telescope is designed as a child's first gateway to the cosmos, combining a 50mm aperture with a 360mm focal length for bright, wide-field views of the Moon. Its f/7.2 optical system, paired with the included K20mm eyepiece, gives a low-power view suited to first sessions, while the 5x20 optical viewfinder helps locate targets. A key feature for young observers is the 45-degree erect image prism, which provides intuitive, correctly oriented views for both celestial and terrestrial observing.
The SV502’s 50mm objective lens shows the Moon's prominent craters, mountain ranges and maria (the dark "seas"). The optics are fully multi-coated.
With a focal length of 360mm, the telescope provides a wide field of view. When paired with the included K20mm eyepiece, it yields a low magnification (18x) that makes it easy for a child to find the Moon and keep it centered. This combination suits broad views rather than high-power planetary detail.
Unlike many astronomical telescopes that show an upside-down or mirrored image, the SVBONY SV502 includes a 45-degree erect image prism. It orients the view correctly, so that up is up and left is left, which beginners find easier.
This prism also unlocks the telescope's dual-use capability. By providing a correctly oriented image, it allows the SV502 to function as a daytime spotting scope. Set up on a porch or picnic table, it shows distant birds, boats or landscapes, making the telescope a tool for exploration at any time of day.
Finding a small object in the vast night sky can be challenging. The SV502 includes a 5x20 optical viewfinder that mounts directly onto the main telescope tube. This small, fixed-power scope offers a much wider field of view than the main eyepiece, functioning like a gunsight to help you aim the telescope accurately.
To use it, you first align the finderscope with the main telescope during the day by centering a distant, stationary object in both. Once aligned, you simply point the finderscope's crosshairs at your celestial target, like the Moon or a bright star, and it will appear in the main eyepiece. The manual notes that the image in the finderscope is inverted, which is typical for this type of instrument.
The SVBONY SV502 comes with a lightweight, adjustable table-top aluminum tripod that is lightweight with a tool-free setup. Its compact size makes it easy to move from indoors to a backyard or to take along on camping trips.
This "grab-and-go" design encourages spontaneous observing sessions whenever the Moon is out or a bright object catches the eye. Never leave the telescope unattended with children or with adults unfamiliar with its use, so observe together.
The SVBONY SV502 is designed primarily for observing the Moon. A child can see many craters, lunar maria (the dark "seas"), and mountain ranges. It can also show the four brightest moons of Jupiter as tiny star-like points, the phases of Venus, and bright open star clusters like the Pleiades (M45).
While you can see Saturn, it will appear as a small, non-circular point of light. The SV502's 50mm aperture and the included K20mm eyepiece provide low power and are not sufficient to clearly resolve Saturn's rings. The telescope is optimized for wide, bright views of the Moon rather than high-magnification planetary detail.
Yes. The included 45-degree erect image prism makes this possible. It provides a correctly oriented, upright image, so the SV502 functions just like a small spotting scope. Set the table-top tripod on a sturdy table for terrestrial viewing.
The viewfinder is a small, low-power telescope that attaches to the main tube. It has a much wider field of view, making it easier to find and center an object like the Moon. Once you center the Moon in the viewfinder's crosshairs, it will then be visible in the main telescope's eyepiece. Per the manual, the image in the finder is upside down.
No. Setup is tool-free. The table-top tripod is lightweight and easy for a child to manage. The main skill to learn is aligning and using the viewfinder, which is a great first step in learning how to navigate the sky.
Yes. The telescope uses a standard 1.25" prism diagonal, so it accepts standard 1.25" eyepieces. Using an eyepiece with a shorter focal length (like a 10mm, sold separately) would double the magnification from 18x to 36x for closer views. However, the 50mm aperture limits the maximum useful magnification.
The magnification is calculated by dividing the telescope's focal length by the eyepiece's focal length. With a 360mm focal length and the included K20mm eyepiece, the SVBONY SV502 provides 18x magnification (360mm / 20mm = 18).
The finderscope uses a simple lens system that naturally inverts the image. This is normal for many astronomical finderscopes and does not affect its function, which is simply to help you aim the main telescope. The view through the main eyepiece will be correctly oriented thanks to the 45-degree prism.
The user manual recommends first using a brush or air blower to remove any loose dust. If further cleaning is needed, spray an optical cleaner onto a white paper towel and wipe gently.
No. Never look at the Sun through the telescope or the finder without a proper front-mounted solar filter; doing so can cause permanent eye damage.
| Optical System | Refractive |
| Aperture | 50mm |
| Focal Length | 360mm |
| Focal Ratio | F7.2 |
| Viewfinder | 5x20 Optical |
| Eyepiece | K20mm |
| Zenith Mirror | 45-Degree Erect Image Prism 1.25" |
| Tripod | Adjustable Table-top Aluminum |
| Color | Orange |
| Mount Included | Yes (table-top tripod) |
| Rear / Camera-Side Connection | 1.25" eyepiece holder |
SV502 Telescope OTA
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K20mm Eyepiece (1.25")
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45-Degree Erect Image Prism (1.25")
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5x20 Optical Viewfinder
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Adjustable Table-top Tripod
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Lens Cap
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SV502 Telescope OTA
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K20mm Eyepiece (1.25")
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45-Degree Erect Image Prism (1.25")
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5x20 Optical Viewfinder
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Adjustable Table-top Tripod
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Lens Cap
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