Tag Archives :APO

If you’re looking for a compact and easy to carry telescope, for astrophotography and observation the SV550 APO refractor is definitely worth considering. With its 122mm aperture f/7 ratio and 854mm focal length it provides detailed images that are perfect for capturing deep sky photography and observing fainter deep sky objects.  ...

Show you about SVBONY SV550 80mm ED-X2 F/6 APO OTA Micro-Reduction Rap Focuser For Astrophotography.  ...

The new APO spotting scope-----SA401  ...

As the summer is coming, the exploration, hunting, and bird watching become increasingly approaching！Now to better facilitate our explorers to process activities, we provide really the good assistant-SA401 20-60 85mm APO spotting scope. In the article, I introduce its strong points. Enjoy!  ...

Test the APO and Achromatic, make sure the difference under diffraction ring, SV305 doublet is quality achromatic lens with SPL-51 ED glass.  ...

The biggest attraction of the SV550 122MM is its large diameter of 122mm, which is the upper limit for an easily operable refractor. With this aperture, you will never feel that it is not enough for a refractor. The F-value "7" is versatile, suitable for both visual and photographic purposes. You will be able to use it for various purposes without any complaints.  ...

The SA401 is our new product, and we will push harder to make it become our best popular spotting scope. So as our best spotting scope, there must be some reason to choose it.  ...

The SA401 APO spotting scope features excellent light-gathering ability, ensuring bright and clear images. Its APO technology significantly enhances image clarity and color fidelity, allowing observers to fully appreciate the beauty of nature. With the SA401, you can embark on an unforgettable birdwatching journey.  ...

SVBONY SV550 122 FPL-51 emerges as an outstanding choice for astrophotography enthusiasts. Offering impressive chromatic aberration reduction capabilities at an affordable price point, this refractor telescope enables photographers to capture breathtaking images of deep-sky objects. Whether you are a beginner or an experienced astrophotographer seeking an excellent balance between performance and affordability, the SVBONY SV550 122 APO Triplet (FPL-51) is a worthy investment.  ...

The three piece APO compound achromatic objective lens structure is adopted to significantly improve the image quality of the captured image. (increased by 15.8% according to the calculation of the spectrometer.)  ...