Tag Archives :APO

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 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 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.)  ...

In this blog, we made some comparisons of the popular SV406P and the new SA401 APO, also introducing their pros and cons, so you can know which is your optimal option.  ...

I'd like to introduce some steps of how to use the SA401 APO spotting scope. With the great quality, I think it is a good partner for every outdoor lover.  ...

Extra long 300mm dovetail give you enough space to creatively mix and match your equipment mounting. Matching accessories will be released simultaneously.  ...