{"product_id":"masuyama-2-ortho-plossl-35-mm-eyepiece-53-mop-3553","title":"Masuyama 2\" Ortho Plössl 35 mm Eyepiece 53° (MOP-3553)","description":"\u003ch1\u003eMasuyama 2\" Ortho Plössl 35 mm Eyepiece 53°\u003c\/h1\u003e\n\u003cdiv\u003eMasuyama eyepieces, rigorously designed and manufactured in Japan with the highest quality standards, have always been a benchmark for discerning visual amateur astronomer.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eMasuyama eyepieces are known for their clear and high contrast imaging and velvet black background. \u003cspan\u003e Masuyama eyepieces incorporate a five-element \"hybrid Ortho-Plossl\" design. They have much better performance towards the edge of the field and improved color performance compared to Plossls and other competing designs. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe good contrast of these high-end eyepieces is achieved with a special cut, internal diaphragms and the best possible internal blackening. Due to the elaborate lens design, the eyepieces get by with only 5 elements, with good correction at the same time.\u003c\/p\u003e\n\u003cp\u003eThe eyepieces were developed by renowned optician Dr. Masuyama. Among other things, Dr. Masuyama designed an eyepiece with a focal length of 100 mm, which was used on the historic 60-inch telescope at Mount Wilson Observatory in California. We are pleased to offer you these legendary eyepieces with the latest glass and coating technology.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFocal length: 35 mm.\u003c\/li\u003e\n\u003cli\u003e53° apparent field of view (AFOV).\u003c\/li\u003e\n\u003cli\u003eEye relief: 23.5 mm.\u003c\/li\u003e\n\u003cli\u003eModified Plössl optical design with 5 lenses in 3 groups.\u003c\/li\u003e\n\u003cli\u003eFMC - Fully Multi-Coated optical treatment.\u003c\/li\u003e\n\u003cli\u003eHigh refractive index lenses for excellent containment of chromatic aberration.\u003c\/li\u003e\n\u003cli\u003eBlackened lens edge.\u003c\/li\u003e\n\u003cli\u003eRetractable rubber lens hood.\u003c\/li\u003e\n\u003cli\u003eStandard 2\"\/50.8 mm barrel with threads for in-cell filters.\u003c\/li\u003e\n\u003cli\u003eSize: 53 mm OD x 104 mm L.\u003c\/li\u003e\n\u003cli\u003eWeight: 300 g.\u003c\/li\u003e\n\u003cli\u003eJapanese manufacture with the highest quality standards (Ohi Kohki Co., Ltd.).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"data-table\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"spec-name\"\u003eField of view\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e53°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec-name\"\u003eEyegard\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eRubber foldable for eyeglas wearers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"spec-name\"\u003eLenses \/ groups\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e5 \/ 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec-name\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e10.5 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"spec-name\"\u003eFocal length\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec-name\"\u003eCoating\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eFMC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"spec-name\"\u003eBarrel size \/ Filter thread\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e2\", 50.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec-name\"\u003eDiameter\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e53mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"spec-name\"\u003eType of eyepiece\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eOrtho\/Plössl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec-name\"\u003eHeight\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e104mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"spec-name\"\u003eField stop\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e30.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec-name\"\u003eEye relief\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e23.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEyepiece\u003c\/li\u003e\n\u003cli\u003eLens Caps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eManuals \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eMasuyama 1-Year Warranty\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Masuyama","offers":[{"title":"Default Title","offer_id":67634930188517,"sku":"MAS-MOP-3553","price":391.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/0474106_masuyama-ortho-plossl-mop-okular-35-mm-53-2-508-mm.jpg?v=1791486945","url":"https:\/\/astronomyplus.com\/products\/masuyama-2-ortho-plossl-35-mm-eyepiece-53-mop-3553","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}