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Skywatcher ND Moon Filter 1.25''

ONLY £9.99

OVL Light Pollution Filters

ONLY £16.00  -  £25.99

Antares ND Moon Filters

ONLY £19.99  -  £24.99

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The O-III narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm) emitted by diffuse, planetary and extremely faint nebulae.

OVL Oxygen III Narrowband Filter

ONLY £39.99  -  £59.99

The narrowband UHC filter, like the O-III filter, isolates the two doubly ionized oxygen lines (496 and 501nm) in addition to the hydrogen-beta line (486nm) emitted by planetary and most emission nebulae.

OVL UHC Ultra High Contrast Nebula Filter

ONLY £39.99  -  £59.99

This filter blocks low and high pressure mercury and sodium vapour lamplight and neon light whilst letting the rest of the visible spectrum through. Excellent for viewing all deep sky objects under the urban sky.

OVL Deep Sky Filter 1.25''

ONLY £41.99

This UV/IR cut filter blocks UV and IR rays to maintain the color temperature you want, eliminating false colour fringes around bright stars. Offers a 99.9% light transmission rate for bright and clear images.

OVL UV/IR Cut Off Filter 1.25''

ONLY £41.99

Standing for "City Light Suppression", the Explore Scientific 1.25" CLS Nebula Filter is not just for observing nebulous objects, as it lets a broader swathe of wavelengths through to the observer than either the OIII or UHC Explore Scientific filters do.

Explore Scientific CLS Nebula Filter 1.25''

ONLY £43.00

More versatile than the OIII filter, the Explore Scientific 1.25" UHC Nebula Filter will work on a broader range of nebulous objects, due to its dual peaks in transmissions on both broader OIII lines and Hydrogen wavelengths

Explore Scientific UHC Nebula Filter 1.25''

ONLY £43.00

Planeoptically polished and hard coated! Blocks UV below 400nm and IR above (SII) 680nm. Maximum transmission, scratchproof hard coated.

Baader UV/IR Cut / L-Filters LPFC

  (1)ONLY £46.00  -  £75.00

For glare-reduction in observing the Moon the #905 Variable Polarizer includes two Polarizer filters mounted in a specially-machined cell. The #905 permits variable settings of the light transmission between 5% and 25%, to account for varying lunar surface brightness

Meade #905 Variable Polarizing Filter 1.25''

ONLY £47.00

Color filters are an essential tool of the lunar and planetary observer, for filters permit the observation and photography of surface detail that is often virtually invisible without filtration.

Meade Colour Filter Set #1 1.25''

ONLY £48.00

Planoptically Polished with Phantom Coating Group (PCG).

Drastically improves contrast for all reflector telescopes, without loss of brightness!

Baader Neodymium & IR Cut Filters

ONLY £49.00  -  £86.00
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