
( Brand: Stellarvue ), ( Manufacturer Part Number: SV80A ), ( Model: STELLARVUE SV80A ), ( Type: Refractor ), ( Lens Coating: Fully Multi-coated ), ( Maximum Magnification: More Than 100x )
The Stellarvue SV80A apochromatic refractor telescope is an exceptional instrument for astronomical observation, particularly renowned for its impressive edge-to-edge sharpness and chromatic aberration correction. This telescope boasts an 80mm (3.1 inches) aperture and a focal length of 480mm (18.9 inches), resulting in a focal ratio of f/6. This combination provides a generous and bright image with excellent contrast and clarity.
At its heart lies an ED (extra-low dispersion) doublet objective lens. This lens design incorporates two elements made of different types of low dispersion glass to minimize chromatic aberration, a common distortion in telescopes that can result in color fringing around bright objects. The ED doublet lens in the SV80A ensures that the telescope delivers sharp, true-color images, making it an ideal choice for planetary, lunar, and solar observation.
The Stellarvue SV80A is housed in a lightweight and robust tube made of machined aluminum. This design not only ensures the stability and rigidity of the telescope but also keeps its weight to a minimum, making it portable and easy to transport for observations at different locations. The telescope comes with a Vixen-style dovetail mounting bar for easy attachment to various mounts and tripods.
The telescope's 2-inch (50mm) Crayford-style focuser enables precise focusing, accommodating a wide range of accessories, including eyepieces, cameras, and other imaging equipment. The focuser features a 10:1 fine focus ratio, allowing for fine adjustments to achieve optimal focus, and it comes with a 1.25-inch adapter for use with smaller accessories.
The SV80A's collimation is straightforward, thanks to its easily adjustable secondary mirror. This feature simplifies the process of aligning the telescope, ensuring that it delivers the best possible performance.
This telescope comes with a sturdy 25mm Pl ssl eyepiece, providing a magnification of 19.2x, and a 9mm Pl ssl eyepiece, offering a magnification of 53x. These eyepieces offer a wide field of view and excellent image quality, making them perfect for various observing applications.
The Stellarvue SV80A apochromatic refractor telescope is an excellent choice for both visual and imaging applications, offering unparalleled performance and versatility for astronomers of all levels. Its compact size, lightweight design, and high-quality optics make it a popular and enduring favorite among telescope enthusiasts.
The Stellarvue SV80A apochromatic refractor telescope is a popular choice among amateur astronomers due to its excellent optics and compact size. Here are some pros and cons to help you decide if this telescope is right for you.
Pros:1. Superior Optics: The SV80A comes with an ED (Extra-low Dispersion) doublet objective lens that provides excellent image quality with minimal chromatic aberration. This makes it an excellent choice for observing planets, double stars, and other celestial objects.
2. Compact and Portable: The SV80A has a short tube length and a lightweight design, making it easy to transport and set up. It is also small enough to be used in urban areas with light pollution.
3. Wide Field of View: The SV80A has a relatively large aperture for its size, which results in a wide field of view. This makes it ideal for observing large areas of the night sky, such as star clusters and galaxies.
4. Versatile: The SV80A can be used with various types of eyepieces, filters, and other accessories, allowing for a wide range of observing possibilities.
Cons:1. Expensive: The SV80A is a more expensive telescope compared to other refractor telescopes in its class. This may be a deterrent for some beginners or those on a tight budget.
2. Limited Deep-Sky Observing: Due to its relatively small aperture, the SV80A may not be the best choice for observing deep-sky objects such as faint galaxies or nebulae. For that, a larger telescope with a larger aperture would be more suitable.
3. Requires Careful Handling: Refractor telescopes, in general, require more care and handling than other types of telescopes. The SV80A is no exception, and it should be handled with care to avoid damage to the optics.
Conclusion:The Stellarvue SV80A is an excellent telescope for those who are serious about observing the night sky with excellent image quality. Its compact size and superior optics make it a versatile and portable choice for both beginners and experienced astronomers. However, its high price tag and limited deep-sky observing capabilities may be a deterrent for some.
Recommendation:If you are looking for a high-quality refractor telescope with a wide field of view and excellent image quality, the Stellarvue SV80A is an excellent choice. However, if you are on a tight budget or plan to primarily observe deep-sky objects, you may want to consider a different telescope with a larger aperture and a lower price point. Ultimately, the decision depends on your observing goals and budget.
Focused is great, objective no scratches, optical tube Super clean. In excellent condition Stellarvue SV80 Access Multi-Coated Advance ED refractor. You get telescope, reducer, and photo guiding scope plus Manfred cine loader case. This is been my personal grab and go.