Merchant A-Z / Orion Telescopes UK (showing 21 to 30 of 359)

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12.31" ID Orion Full Aperture Solar Filter

12.31" ID Orion Full Aperture Solar Filter

Designed to fit snugly over the aperture of your telescope, these optical glass filters block 99.999% of incoming sunlight, allowing you to safely observe sunspots and solar granulation in the Sun's photosphere. The Sun appears in a natural, whitish color....

£159.99

12.5mm Orion Edge-On Planetary Eyepiece

12.5mm Orion Edge-On Planetary Eyepiece

Edge-On Planetary eyepieces bring flat-field performance to solar system viewing in the form of three high-magnification focal lengths. Each employs a sophisticated 7-element lens design reminiscent of exotic, high-priced oculars to provide a sharp focus...

£90.59

12mm Orion EF Widefield 1.25" Eyepiece

12mm Orion EF Widefield 1.25" Eyepiece

If you're ready to swap out your standard Plossl eyepieces for oculars that will take your observing game to the next level, try the Orion EF Widefield 1.25" Eyepieces. The "EF" stands for Extra Flat, which means that our EF Widefield Eyepieces are designed...

£69.99

138-173mm ID Orion PinPoint Telescope Focusing Mask

138-173mm ID Orion PinPoint Telescope Focusing Mask

When placed over the front of a telescope, handy Orion PinPoint Telescope Focusing Masks make it easy to achieve quick and precise focusing without guesswork. Also known as Bahtinov masks, these focus aids feature a laser-cut slot pattern that produces...

£20.99

13mm Orion Stratus Wide-Field Eyepiece

13mm Orion Stratus Wide-Field Eyepiece

Enjoy a wide-field window into the heavens served up by Stratus eyepieces. With an apparent field of 68-degrees -- which translates to a 71% greater viewing area than that of a typical Plossl -- Stratus eyepieces quite literally put more stars in your...

£114.99

13" Orion Dovetail Mounting Plate

13" Orion Dovetail Mounting Plate

Dovetail mounting plates provide a platform for coupling telescope optical tubes to Orion AstroView, SkyView Pro, Sirius and Atlas equatorial mounts. Tube rings (sold separately) bolt on to the dovetail plate, which then fits into the dovetail slot on...

£32.99

14.21" ID Orion Off-Axis Solar Filter

14.21" ID Orion Off-Axis Solar Filter

Designed to fit snugly over the aperture of your telescope, these optical glass filters block 99.999% of incoming sunlight, allowing you to safely observe sunspots and solar granulation in the Sun's photosphere. The Sun appears in a natural, whitish color....

£169.99

14.5mm Orion Edge-On Planetary Eyepiece

14.5mm Orion Edge-On Planetary Eyepiece

Edge-On Planetary eyepieces bring flat-field performance to solar system viewing in the form of six medium- and high-magnification focal lengths. Each employs a sophisticated 7-element lens design reminiscent of exotic, high-priced oculars. This design...

£90.59

140mm ID Orion Telescope Tube Rings

140mm ID Orion Telescope Tube Rings

These tube rings have an inside diameter (ID) of 140mm (5.5"). Orion Tube Rings for telescope Optical Tube Assemblies come as a set of two with quick-release, hinged clamp knobs for easy installation on your favorite telescope. Each tube ring features...

£34.99

1/4"-20 Adapter for Orion Telescope Mounts

1/4"-20 Adapter for Orion Telescope Mounts

Provides threaded post for attaching instruments equipped with a 1/4"-20 threaded socket.

£19.99