How to buy and maintenance the telescope?


  • Optical quality and lightweight appearance are often contradictory. If you want both, you need to greatly increase your budget.
  • Each type of telescope has a specific environment suitable for its use in order to achieve perfect results. No telescope is omnipotent.
  • The volume of a roof prism telescope is the smallest among telescopes of the same specification, but the optical quality is often not as good as that of a Porro prism telescope.
  • The price of the telescope depends on many external factors, such as cost, profit, market strategy, etc., and has nothing to do with the multiple of the telescope.
  • The imaging effect of the telescope depends on many factors, and the multiple is only one of many factors. It is not advisable to blindly pursue the multiple.
  • The possibility of fake military binoculars is extremely high. Regular military binoculars are basically black and expensive.
  • Do not buy binoculars with a wide range of zooming. There are many problems such as small field of view, serious imaging distortion, and easy deviation of the optical axis.
  • You need to know that what you pay for is what you pay for. Telescopes with the same specifications and parameters may have a very different actual effect, and of course, the price will also vary by thousands of miles.
  • Try not to buy a red film telescope. It is only suitable for high-reflective environments such as ice and snow. The image in the general environment is dim and the color cast is serious.


  • Ensure that the telescope is stored in a ventilated, dry, and clean place to prevent mildew. If possible, put a desiccant around the telescope and replace it frequently.
  • Dirty spots or stains remaining on the lens should be gently wiped with a professional lens cloth to avoid scratching the mirror surface. If you need to clean the mirror surface, use absorbent cotton and a little alcohol, from the center of the mirror surface in one direction to the edge of the mirror surface Wipe, and constantly replace the absorbent cotton ball until the wipe is clean.
  • The telescope is a precision instrument. Do not drop, press or do other violent actions on the telescope.
  • Non-professionals should not try to disassemble the telescope and clean the inside of the telescope by themselves.
  • Do not hit sharp objects, such as nails, needles, etc.
  • Pay attention to moisture and waterproofing when using binoculars. As a precision instrument, the telescope should be avoided under harsh conditions as much as possible.
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