Knowledge Base
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Popular Articles
My NexStar SE wobbles when I put it on the tripod. How can I fix this?
The NexStar SE tripod and mount are attached to one another by three bolts that are part of the tripod assembly. In order to make assembly easier, especially in the...
My NexStar SE wobbles when I put it on the tripod. How can I fix this?
The NexStar SE tripod and mount are attached to one another by three bolts that are part of the tripod assembly. In order to make assembly easier, especially in the...
What are celestial coordinates, and why are they important?
From our point of view on Earth, the sky is a sphere. If you stretch out or project the geographical coordinates of Earth into space, a gridwork of celestial coordinates...
What are celestial coordinates, and why are they important?
From our point of view on Earth, the sky is a sphere. If you stretch out or project the geographical coordinates of Earth into space, a gridwork of celestial coordinates...
Where do I find infrared (IR) and ultraviolet (UV) transmission and refl...
We don’t have the data for regions outside the visible spectrum, since our products are marketed for amateur astronomy.Please go to any Celestron Optical Tubes page, choose any scope and...
Where do I find infrared (IR) and ultraviolet (UV) transmission and refl...
We don’t have the data for regions outside the visible spectrum, since our products are marketed for amateur astronomy.Please go to any Celestron Optical Tubes page, choose any scope and...
What can I see with a telescope, can I see in color?
Your telescope will open up many worlds for you. Here is a quick sample of what’s possible for you to see when looking at the sky or the Earth with...
What can I see with a telescope, can I see in color?
Your telescope will open up many worlds for you. Here is a quick sample of what’s possible for you to see when looking at the sky or the Earth with...
What do I need to know about microscope stages?
Your microscope’s stage holds specimens and slides for examination. Plain stages are usually fixed platforms with a circular hole above the illuminator and below the objective lens position. Filter...
What do I need to know about microscope stages?
Your microscope’s stage holds specimens and slides for examination. Plain stages are usually fixed platforms with a circular hole above the illuminator and below the objective lens position. Filter...
What’s the best microscope for looking at coins, stamps, jewelry, and ro...
A stereo microscope is the best choice for looking at collectibles. Its lowest powers may allow you to see the entire stamp or coin. It has enough working distance for...
What’s the best microscope for looking at coins, stamps, jewelry, and ro...
A stereo microscope is the best choice for looking at collectibles. Its lowest powers may allow you to see the entire stamp or coin. It has enough working distance for...