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This high quality moon filter is very similar to the Celestron Moon Filter and it has a similar dark..
13.00€ Ex Tax: 10.74€
Even after the sun eclipse sun observations are of great enjoyment. The sunspots are constantly chan..
25.00€ Ex Tax: 20.66€
This contrast-enhancing anodized aluminium, optical glass filter is designed to block out the w..
45.00€ Ex Tax: 37.19€
This filter blocks low and high pressure mercury and sodium vapour lamplight and neon light whilst l..
65.00€ Ex Tax: 53.72€
This filter blocks night glow and airglow, sodium and mercury emissions (but not UV or IV). This ver..
68.97€ Ex Tax: 57.00€
This contrast-enhancing anodized aluminium, optical glass filter is designed to block out the wavele..
The narrowband UHC filter, like the O-III filter, isolates the two doubly ionized oxygen lines (496 ..
81.07€ Ex Tax: 67.00€