{"product_id":"masuyama-1-25-ortho-plossl-12-5-mm-eyepiece-53-mop-12553","title":"Masuyama 1.25\" Ortho Plössl 12.5 mm Eyepiece 53° (MOP-12553)","description":"\u003ch1\u003eMasuyama 1.25\" Ortho Plössl 12.5 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 12.5 mm\u003c\/li\u003e\n\u003cli\u003eApparent field of view 53°\u003c\/li\u003e\n\u003cli\u003eRubber eyecup for comfortable support of the eye or glasses\u003c\/li\u003e\n\u003cli\u003e1.25\" barrel without locking groove, with filter thread\u003c\/li\u003e\n\u003cli\u003e5 elements in 3 groups\u003c\/li\u003e\n\u003cli\u003eLatest lenses and multi-layer coating technology\u003c\/li\u003e\n\u003cli\u003eDeveloped and manufactured by Ohi Kohki Co. in Japan\u003c\/li\u003e\n\u003cli\u003eMade in Japan\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\"\u003eBarrel size \/ Filter thread\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e1 1\/4\" with filterthread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\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=\"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\"\u003eFocal length\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e12.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"spec-name\"\u003eDiameter\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e36mm\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\"\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"spec-name\"\u003eHeight\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e53mm\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":67634863767781,"sku":"MAS-MOP-12553","price":279.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/0331203_masuyama-125-premium-planetenokular-125-mm-53-gesichtsfeld-made-in-japan_640.jpg?v=1791486270","url":"https:\/\/astronomyplus.com\/products\/masuyama-1-25-ortho-plossl-12-5-mm-eyepiece-53-mop-12553","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}