Vixen 1.25 Slv Lanthanum Eyepiece 10mm 37207-2 w/Tracking# New Japan\nThis product data sheet is originally written in English.\n\nVixen 1.25 Slv Lanthanum Eyepiece 10mm 37207-2 Free Ship w/Tracking# New Japan Product description:\nEye relief: 20 mm\nPlug diameter size:31.7mm\nApparent field of view: 50 degrees\nFocal length: 10 mm\nBrand: VIXEN\nProduct model: 37207-2\nFeatures that come with the feature: glasses-enabled, multi\nSize: 10 mm\nBatteries included: no\nWarranty: none\nWarranty: manufacturer's warranty: none\nProduct weight: 200 g\nPacking size: 9 x 5.4 x 5.2 cm\nAstronomical eyepieces for telescopes.\nAdopt a Fu multi coated lens material with high-quality glass lantern, fully multi-coated.\nIn addition, consideration of strength, has become a full metal body\n\nJapanese electrical products typically operate at 100V input voltage (Type A plug). If the voltage is not specified in the description or Item Specifics, the product may only support 100V input. A voltage convet