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Tag Archives :APO

SVBONY SV550 80mm ED-X2 F/6 APO OTA 

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

Read more  Telescope,  OTA,  APO,  SVBONY SV550 80mm,  SV550,  SV550 80mm ED-X2 F/6 APO OTA

Know better about SA401 85mm APO spotting scope

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!  ...

Read more  SA401,  spotting scope,  spotter,  APO

Difference Between APO & Achromatic Lens Under Diffraction Ring

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

Read more  SV503 Doublet,  APO,  SPL-51,  Achromatic Lens

Some reasons to buy the APO spooting scope

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.  ...

Read more  APO,  24MM eyepiece

SVBony SV550 Triplet - Review

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.)  ...

Read more  sv550,  telescope,  triplet,  apo,  ota,  refractor

SV406P VS SA401

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.  ...

Read more  SV406P,  SA401,  APO,  spottingscope,  birding

How to operate the SA401?

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.  ...

Read more  SA401 APO spottingscope