The Orion 9mm Expanse is a low cost, high power wide field of view telescope eyepiece that is perfect for detailed views of nebula and planetary objects. It delivers sharp, true to color images and has great eye relief, good for eyeglass wearers.

The 15mm Orion Expanse is a medium-high powered telescope eyepiece that offers a wide field of view with sharp, high contrast, true-color images. Perfect for deep space observing and also features great eye relief for eyeglass wearers.

The 20mm Orion Expanse is a low powered eyepiece that is perfect for wide field views of deep sky objects. The fully multi-coated elements deliver sharp images with good color correction and contrast.

This set of Orion Expanse telescope eyepieces is perfect for those that want huge views of the sky. Included are the 6mm, 9mm, 15mm, and 20mm telescope eyepieces. All are fully coated for bright high contrast images.