The new NLV Series eyepieces feature comfortable long 20mm eye-relief, simple twist up eyecups to adjust for the best eye-point, and high grade Lanthanum glass for clear, high contrast viewing. Optics are fully multi-coated. The Vixen LVW Series eyepieces use premium Lanthanum glass to minimize aberrations. They employ a 5-group, 8-element design for a wide 65 degreee apparent field of view. The New Plossl series feature a 2-group, 4-element design that offers flat and clear images. The NPL eyepieces are muti-coated for excellent light transmission. Twist up eye cups are featured on the NPL20, NPL25, NPL30 and NPL40. Read the Review in Sky at Night 888.291.6577 To all who visit our store: Numbers 6:24-26 24 The LORD bless you and protect you; 25 the LORD make His face shine on you, and be gracious to you; 26 the LORD look with favor on you and give you peace. (CLICK) VISIT OUR DISCOUNT BIBLES & APPAREL STORE Copyright (R) 2004 SmartAstronomy, All rights reserved.