The 31mm Celestron Luminos Eyepiece offers a wide 82º field of view, allowing you to make the most of your telescope.  The optical set is fully multi-coated for crisp, sharp views.  This Luminos eyepiece is parfocal, which means you can switch out eyepieces during observing sessions with little or no additional focusing required.  

Features:

• Impressive 82° field of view
• Retractile eyecups provide ultra-low profile for eyeglass wearers
• Para-focal eyepiece allow little or no focusing when changing from low to high power
• Polished & hard anodized aluminum barrel is scratch resistant
• Rubber gripping ring provide secure handling and smooth control of your eye-cup