Sky-Watcher 15mm Ultra-Wide Angle 66° 1.25" Eyepiece

Description

Sky-Watcher 15mm Ultra-Wide Angle 66° 1.25" Eyepiece

The Sky-Watcher 15mm Ultra-Wide Angle 66° 1.25" Eyepiece is a versatile eyepiece designed for amateur astronomers who want a wider field of view combined with comfortable medium-power magnification. Featuring a 15mm focal length, 66° apparent field of view, and a standard 1.25-inch barrel, this eyepiece is suitable for observing a wide range of celestial objects, including the Moon, planets, star clusters, nebulae, and galaxies.

Versatile Medium-Power Performance

The 15mm focal length provides a useful balance between magnification and field of view, making it one of the most practical focal lengths for everyday astronomy. It can be used for general observation, locating objects, and studying many different types of celestial targets.

The actual magnification depends on the focal length of your telescope. For example:

• A 600mm focal-length telescope provides approximately 40× magnification.
• A 750mm telescope provides approximately 50× magnification.
• A 1000mm telescope provides approximately 67× magnification.
• A 1200mm telescope provides approximately 80× magnification.

This makes the 15mm eyepiece a useful choice between low-power wide-field eyepieces and higher-power planetary eyepieces.

Wide 66° Apparent Field of View

The eyepiece features a 66° apparent field of view, offering a wider viewing experience compared with standard narrow-field eyepieces. The expanded field helps create a more immersive observation experience and allows more of the surrounding sky to be visible at once.

A wider apparent field is especially helpful when using manually controlled telescopes because celestial objects remain visible for a longer time before drifting out of the field of view due to Earth's rotation. The actual true field of view depends on the telescope's focal length and optical design.

Multi-Coated Optics

The Sky-Watcher 15mm Ultra-Wide Angle Eyepiece uses multi-coated optical elements designed to improve light transmission and reduce internal reflections. These coatings help produce brighter images with good contrast and clarity.

The final image quality will also depend on the telescope's aperture, optical quality, focusing accuracy, atmospheric conditions, and observing location.

Comfortable 13mm Eye Relief

With approximately 13mm of eye relief, this eyepiece provides a comfortable viewing experience for many observers. The included rubber eyecup helps position the eye correctly and improves comfort during longer observation sessions.

The ergonomic design makes it suitable for both beginners and experienced amateur astronomers.

Suitable for a Wide Range of Targets

The 15mm Ultra-Wide Angle Eyepiece is a versatile option for observing many types of celestial objects:

• The Moon: Explore craters, mountains, and surface details with a balanced magnification.
• Planets: Observe brighter planetary features when conditions allow.
• Star clusters: Enjoy views of open clusters with a wider surrounding star field.
• Nebulae and galaxies: Observe brighter deep-sky objects with useful magnification and contrast.
• Double stars: Examine pairs of stars that benefit from moderate magnification.

For very large deep-sky objects, a lower-power eyepiece may provide a wider true field of view, while smaller planetary details may benefit from a higher-power eyepiece.

Standard 1.25" Compatibility

The eyepiece features a standard 1.25-inch barrel, allowing it to be used with a wide range of telescopes, star diagonals, and accessories that accept 1.25" eyepieces. Its compact size makes it convenient to carry and include in an astronomy accessory kit.

A Practical All-Round Eyepiece

The Sky-Watcher 15mm Ultra-Wide Angle 66° 1.25" Eyepiece offers an excellent combination of field of view, optical performance, and comfortable viewing. Its medium focal length makes it a valuable addition to an eyepiece collection, providing a useful magnification range for many observing situations. Whether you are exploring the Moon, viewing planets, observing star clusters, or discovering brighter deep-sky objects, this eyepiece provides a flexible and enjoyable observing experience.

Specifications

Please note:  The actual product may differ slightly from the images in terms of color, finish, or other minor details.