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Celestron Oxygen III Narrowband Filters Celestron Oxygen III Narrowband Filters

spectrum of light. The result is extreme contrast between the black sky background and the faint photons...

Starts at $73.99

Celestron Sky Maps Chart - Illustrated Star Map Atlas / Deep Sky objects Reference Guide 93722 Celestron Sky Maps Chart - Illustrated Star Map Atlas / Deep Sky objects Reference Guide 93722

brightly against a dark background, mimicking actual constellations. More than a thousand stars...

$23.99

Celestron UHC / LPR Filter Celestron UHC / LPR Filter

background is darker, and contrast of emission nebulae are noticeably improved. The advanced technology...

Starts at $74.79

Tele Vue 4.7 ETHOS 4.7mm Focal Length Telescope Eyepiece Tele Vue 4.7 ETHOS 4.7mm Focal Length Telescope Eyepiece

exit pupil (for a darker background to enhance contrast) reveals a deep sky experience "even better...

$639.99

TeleVue ETH-13.0 13mm ETHOS Telescope Eyepiece TeleVue ETH-13.0 13mm ETHOS Telescope Eyepiece

of higher power and darker sky background. Take a look and see the universe with a field of view...

$598.99

TeleVue Ethos Telescope Eyepiece 10.0 mm TeleVue Ethos Telescope Eyepiece 10.0 mm

focal length that provide higher magnification results in a darker sky background. Fainter stars...

$638.99

TeleVue Panoptic 24.0mm Eyepiece EPO-24 TeleVue Panoptic 24.0mm Eyepiece EPO-24

Plossl 32mm eyepieces. The higher power darkens the sky background while the greater magnification...

$349.99

TeleVue StarBeam Telescope Base with Flip Mirror TeleVue StarBeam Telescope Base with Flip Mirror

background with the superimposed red pointing "star." The first lens surface acts as a collimating ... mirror so the "red-star" stays stationary against the sky background regardless of how it is viewed. ... into the second lens surface to provide the normal sky background view and is multi-coated...

$218.49

TeleVue StarBeam Telescope SFC Base with Flip Mirror TeleVue StarBeam Telescope SFC Base with Flip Mirror

as a collimating mirror so the "red-star" stays stationary against the sky background regardless of how...

$238.49

Vixen Red Dot Finder 2650 Vixen Red Dot Finder 2650

Vixen Red Dot Finder 2650 projects a red point of light onto the sky background that allows...

$74.95

Showing all 10 results.