Celestron Moon Filter

The Celestron Moon Filter reduces brightness and improves contrast so that greater detail can be observed on the lunar surface. The clear aperture is 21mm and the transmission is around 18%. The Moon has the distinction of being the most often viewed celestial object through backyard telescopes. It is undoubtedly beautiful and mysterious, and is one of those constants in our lives that connects us to every other being on our planet. Regardless of who we are or where we live or travel, we all look at the same moon. It is difficult to look at the Moon through an astronomy telescope and see all of the details due to its brightness. Our eyes are not ready for the bright beam of light that emits from the eyepiece, and they “stop down”, just as they would when you step out into the...

Best Price: £11.99 from PicStop

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