Ostara 1.25" O-III nebula filter #OS337211

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£29.99
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Product information

The Ostara 1.25" O-iii filter is a must have accessory for Planetary and diffuse nebula like the  Veil, Lagoon, Swan, Ring, Dumbell and the Eskimo. The views I got through a 6" dobsonian was breathtaking. 

These superb filters help bring out detail in the nebula. Plus by blocking like from many other wavelengths , it makes the target nebula jump out from the background.

Note we only recommend for high end telescopes or other telescopes 5" or higher due to a loss in light transmission.

Comes packaged in a foam lined case .

Limited price offer

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