1, Multi coated offering the best image
2, Full Metal, soft Rubber Eyeguard
3, The inside of the adapter is fully threaded to minimize reflections
4, Barrel Size: 1.25 inch (31.7mm)
5, The Focal Length: 6.3mm 10mm 12.5mm 20mm 32mm
6, Threaded for filters and Barlow lens: 1.25"

• 1.25" 6.3mm 32mm 40mm Plossl eyepiece set give you a good variation in magnification for a wide range of targets with extra sharpness and long eye relief
• 2x Barlow lens doubles the magnification of any 1.25" existing set eyepiece;features T threads to attach a camera to your telescope with optional T ring
• Lens edges is blackened to reduce scattering of stray light and maximize contrast;designed to enhance the functionality and pleasure of using your telescope
• 4 element Plossl design;perfect for broad field lunar observations;medium sized star clusters;wide range of cloudy nebulas and deep sky targets
• Soft rubber eye guard that's custom fitted with a bayonet mount and brings convenience to glasses wearers;It's a great birthday christmas gift

Plossl Eyepiece Set:

1, Multi coated offering the best image
2, Full Metal, soft Rubber Eyeguard
3, The inside of the adapter is fully threaded to minimize reflections
4, Comes with 3 eyepieces that provide low, medium and high powered magnification for viewing a wide range of objects (Moon, planets, or land)
5, The Focal Length: 4mm 10mm 25mm
6, Thread Pitch: M28.5*0.6 (for Standard 1.25 inches filters)