4x20 sighting crucifixion telescope cross sniper monocular sight fast bird mirror preservation method: The best conditions for the preservation of the telescope is the temperature of 20-25 degrees at room temperature, temperature 65% or less. If placed in a large temperature difference or wet places, the lens surface of the telescope will fog or small droplets appear, then the telescope should be placed at room temperature slowly and completely dry. maintain Use of the telescope should be as light as possible, to avoid accidental impact to make the optical axis tolerance, can not be observed. (Ordinary telescopes do not have the shock function) If you can not observe the telescope, please consult the professionals, to avoid the removal or replacement of the lens itself. clean If the lens surface of the telescope is stained with dust or other imprints, it will directly affect the observation effect. At this time, you can wipe the surface with a little industrial alcohol to wipe the lens surface. Since the film is coated with the film, please avoid contact with rough objects and fingers. Lens surface. When cleaning the surface of the telescope, avoid using chemical reagents to clean it. Wipe it directly with a soft cloth.
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