Barlow Lens

Barlow Lens

MOON- 3X BARLOW LENS

To ensure the quality of telescope optics, a very sensitive technique known as star testing is performed. Albeit an easy technique, correct interpretations of the results require careful examination and sufficient knowledge. Specifically, optical aberrations (oftentimes caused by imperfect optical systems or bad weather conditions) can be determined (and …

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Lens Telescope

Galileo Galilee is known as the "father of telescopes" and rightly so. He is the inventor of the telescope and every telescope made after his invention follows the same principle that he used. Galileo's telescope was a primitive prototype of the telescopes that are used widely today. However, the principles he used are …

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