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What diagonal should I choose, Prism or Mirror type?

In this article, I take the SV188P and SV138 as the example, introduce each kind of diagonal's advantages and shortcomings for the beginners, the 45° is more suitable for the terrestrial, or long focus Schmidt-Cassegrain and Maksutov-Cassegrain telescopes, while it induces the CA, and so favored by today's market......  ...

Read more  SV188P,  SV139,  diagonal,  star diagonal,  beginner

SV305M Pro Monochrome Camera review 2

I take the SV305M Pro Monochrome Camera for Macro shooting! Can this work?  ...

Read more  SV305,  camera,  astronomy,  SV305M,  EAA

The SV503 telescope Use Guidance and Suit for the beginners

The beginner SV503 80ED telescope suit to begin your Astronomy hobby. The blog includes the optical principle and the beginner kit: SV503 80ED, SV113 20mm eyepiece as well as SV188P diagonal.  ...

Read more  SV503,  beginner,  telescope,  OTA,  guidance

Seven Samurai: LRGBSHO filters

The LRGBSHO might be the most common 7-piece filter combination in astronomy.  ...

Read more  Svbony,  Filter,  Astronomy,  Astrophotography

Why should I choose the SV131 Plossl eyepiece set?

I take many pictures of the SV131 eyepiece set and test the optical quality. If you are hesitant to buy them or not, watch this blog!  ...

Read more  eyepiece,  SV503,  SV131,  review

Are the SV131 Plossl eyepieces only "entry products?"

In this blog, I introduce which of the SV131 Plossl eyepiece is the apple of my eye.  ...

Read more  SVBONY,  SV131,  plossl,  eyepiece,  eyepiece set,  6 12 17 25 40mm