O-III Filter 1.25″ – Kson
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When you want to get the best possible view of emission Nebula & especially planetary nebulae, then this is the filter for you.
7 in stock
The O-III Filter is considered the nebula filter of choice for Emission Nebula if you have a telescope of 10″ (250mm) apature or greater. Examples of the Nebulae enhanced by this filter include the Lagoon, Veil, Swan & Orion emission Nebula. Also planetary nebula such as the Ring and Dumbell will show the greatest enhancement. This filter suits all 1.25″ eyepieces with a standard filter thread.