The Sky-Watcher 12.5 Illuminated Reticle Eyepiece is designed for situations where you need precision guiding and alignment for your telescope. Whether you’re aligning your Go-To telescope to a bright alignment star or calibrating your auto guider’s tracking, this eyepiece is perfectly suited to the task. The eyepiece is a Plossl design with multiple anti-reflection coatings, minimising aberration and maximising light transmission. The double cross hair is illuminated with an adjustable red LED, allowing for sufficient visibility whilst preserving your night-vision.

Features include:

• 40° Apparent Field of View
• Guiding Calibration for Astro-Imaging
• Accurate Centering of Alignment Stars
• Multi-Layered Anti-Reflection Coating
• Laser-Etched, Illuminated Double Crosshair Reticle
• Sky-Watcher 5 Years Limited Warranty