With a built-in T-adapter for astroimaging, the Ultima Duo eyepiece from Celestron is more than just an eyepiece. With fittings for both 1.25” & 2” focusers, it can be used with almost any telescope, & has 8 lens elements in 5 groups to ensure that chromatic aberration & field curvature are corrected, guaranteeing a sharp, high-quality result. Its multi-coated optics are designed to increase light transmission & contrast, & it has a 68-degree apparent field of view. Enjoy impressive views & a brilliant optical system with the Celestron Ultima Duo 21mm Eyepiece. ...

The Ultima Duo eyepiece from Celestron combines excellent optics with a built-in T-adapter for astroimaging. With a wide 68-degree apparent field of view, it has multi-coated optics to increase light transmission & contrast, & blackened lens edges prevent internal reflections. It will fit both 1.25” & 2” focusers, so you can use it with almost any telescope. Simply remove the rubber eyeguard to expose the T-threads, & attach your DSLR or CCD camera with a compatible T-ring. The Celestron Ultima Duo 5mm Eyepiece is ideal for imaging bright solar system objects like the rings of Saturn, craters on the Moon, & Jupiter's Great Red Spot. ...

Combining excellent optics with a built-in T-adapter for astroimaging, the Ultima Duo eyepiece from Celestron has a wide 68-degree apparent field of view. Its multi-coated optics are designed to increase light transmission & contrast, & there are 8 lens elements in 5 groups to guarantee chromatic aberration & field curvature correction. It will fit both 1.25” & 2” focusers, so you can use it with almost any telescope. Simply remove the rubber eyeguard to expose the T-threads, & attach your DSLR or CCD camera with a compatible T-ring. The Celestron Ultima Duo 8mm Eyepiece is ideal for imaging bright solar system objects & will produce high-contrast, bright results. ...

The Celestron Ultima Edge UFF Eyepiece ? 1.25? (3 cm) is designed to offer sharp, clear, & contrasting visuals of the deep space. With multiple coated elements, this eyepiece maximises brightness & renders colour accurate images. On its exterior, this eyepiece has non-slip & moulded rubber construction, providing a comfortable hold in hand & easy installation in a telescope. ...

The Celestron Ultima Edge UFF Eyepiece ? 1.25? (3 cm) is designed to offer sharp, clear, & contrasting visuals of the deep space. With multiple coated elements, this eyepiece maximises brightness & renders colour accurate images. On its exterior, this eyepiece has a non-slippery & moulded rubber construction, providing a comfortable hold in hand & easy installation in a telescope. ...

The Celestron Ultima Edge UFF Eyepiece ? 1.25? (3 cm) is designed to offer sharp, clear, & contrasting visuals of the deep space. With multiple coated elements, this eyepiece maximises brightness & renders colour accurate images. You can hold this eyepiece comfortably or install it in a telescope easily as it has a non-slippery & moulded rubber construction on its exterior. ...

Ultralight & portable, the Celestron Ultima Edge UFF 30 mm Eyepiece ? 2"" (5 cm) combines the power of a wide field of view & crisp edge-to-edge visuals. Consisting of 9 multi-coated elements, this unique eyepiece provides excellent light transmission, delivering brighter & high contrast images. Fold-down rubber eyecup offers viewing comfort to the eyes. ...

Universal 1.25"" T-Adapter fits (drop in style) any type of telescope that uses a 1.25"" focuser or visual back. A T-Adapter means that you can attach your 35mm SLR camera to the prime focus of your telescope or spotting scope. This arrangement is used for terrestrial photography & short exposure lunar & planetary photography. It can also be used for long exposure deep-sky photography when using a separate guide scope. Both a T-Adapter & T2 Mount are required to mount a 35mm SLR camera to your instrument. ...

The Celestron Up Close 15-45x 50mm Angled Spotting Scope is an ideal travel or back-up spotting scope & an excellent choice for bird observation, nature or wildlife watching. Combining high quality optics & a durable waterproof design, it comes supplied with a fold up table top tripod & both a soft & aluminium carrying case. ...

Providing a cooling solution for Star Sense Dobsonian telescopes, the Celestron USB (Universal Serial Bus) Cooling Fan helps cool the primary mirror to an ambient room temperature. It can be easily mounted onto the rear cell of the telescope & yields better-focused & clearer results. It works with any USB (Universal Serial Bus) power source & does not require disposable batteries or an external 12 V power source. ...