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. ...

The Celestron USB (Universal Serial Bus) to RS-232 Converter Cable (18775) with Software is used to convert Celestron's standard RS-232 (serial) cable into a USB (Universal Serial Bus) cable. ...

Designed for use with a telescope, the Celestron Variable Polarizing Eyepiece Filter ? 1.25? (3 cm) enables you to adjust the brightness level that meets the comfort level of your eye, & also means that you can control the brightness of your targeted space object. It further reduces glare emitted by the Moon, stars, planets, & other bright space objects. ...

Reduce the vibrations of your telescopes tripod by using the Celestron Vibration Suppression Pads. These black pads stabilise the tripod & absorb vibrations completely. Manufactured from Sorbothane, these compact pads are durable enough to support a fully loaded tripod on any surface. Unlike their silicone imitations, these rounded pads do not melt in the sunlight. ...

The Celestron Wedge has been designed for use with the Nex Star Evolution & SE 6/8 mounts. It enables single fork telescopes to become very portable & perfect for Astro-photography. Using this wedge allows the mount to track equatorially, which ultimately removes field rotation that would otherwise be seen if you were shooting a long enough exposure without the wedge. The wedge has been designed to be lightweight & portable so that you can take your Astro-photography is the most prime location possible. ...

Celestron's HD Pro Wedge is designed to support our fork mounted Schmidt Cassegrain & Edge HD Telescopes up to 11 inches. The HD Pro provides a heavy duty, stable platform that is perfect for astroimaging & guarantees minimal vibration. A low latitude range of 0-90 degrees makes this wedge functional for use at the equator. Built-in features include altitude/azimuth adjustment controls with oversized knobs attached for easy polar alignment, a hand control holder that provides the option of placing on the wedge or the fork arm, a tilt plate for easier mounting of the telescope by simply rotating the scope onto the wedge, & a large 14 mm diameter latitude adjustment screw to add strength & stability while supplying less vibration & easier rotation with a heavy telescope. ...

The newly enhanced X-Cel LX eyepiece series is what you've been waiting for in a high quality eyepiece for planetary viewing. With a brand new sleek, robust design, & a twist-up eye guard, these eyepieces are especially designed for comfort & ease of use. They also have a wide 60 Degree field of view & 6-element fully multi-coated optics for magnificent wide-field performance. X-Cel LX eyepieces are Parfocal & require little to no focusing when changing from low to high power. Available in focal lengths of; 2.3mm, 5mm, 7mm, 9mm, 12mm, 18mm & 25mm ...

The newly enhanced X-Cel LX eyepiece series is what you've been waiting for in a high quality eyepiece for planetary viewing. With a brand new sleek, robust design, & a twist-up eye guard, these eyepieces are especially designed for comfort & ease of use. They also have a wide 60 Degree field of view & 6-element fully multi-coated optics for magnificent wide-field performance. X-Cel LX eyepieces are Parfocal & require little to no focusing when changing from low to high power. Available in focal lengths of; 2.3mm, 5mm, 7mm, 9mm, 12mm, 18mm & 25mm ...

The newly enhanced X-Cel LX eyepiece series is what you've been waiting for in a high quality eyepiece for planetary viewing. With a brand new sleek, robust design, & a twist-up eye guard, these eyepieces are especially designed for comfort & ease of use. They also have a wide 60 Degree field of view & 6-element fully multi-coated optics for magnificent wide-field performance. X-Cel LX eyepieces are Parfocal & require little to no focusing when changing from low to high power. Available in focal lengths of; 2.3mm, 5mm, 7mm, 9mm, 12mm, 18mm & 25mm ...

The Celestron X-Cel LX 25 mm Eyepiece is an ideal choice for observing planets, the Moon, & other abundant celestial objects. Owing to its 60° field of view & multi coated elements, this optical lens produces sharp & precise images. The eyepiece has blackened edges for better contrast, 16 mm eye relief for comfortable observations, & pop-up eyecups for quick height adjustment. ...