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Tag Archives :beginner

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

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,  diagonal,  star diagonal,  beginner,  SV138,  accessory