{"id":40926,"date":"2019-12-14T12:13:09","date_gmt":"2019-12-14T09:13:09","guid":{"rendered":"https:\/\/skyandweather.gr\/product\/explore-scientific-%cf%80%cf%81%ce%bf%cf%83%ce%bf%cf%86%ce%b8%ce%ac%ce%bb%ce%bc%ce%b9%ce%bf%cf%82-52-ler-3mm-1-25\/"},"modified":"2026-02-17T17:51:33","modified_gmt":"2026-02-17T14:51:33","slug":"explore-scientific-52-ler-3mm-1-25-eyepiece","status":"publish","type":"product","link":"https:\/\/skyandweather.gr\/en\/product\/explore-scientific-52-ler-3mm-1-25-eyepiece\/","title":{"rendered":"Explore Scientific 52\u00b0 LER 3mm 1.25\u2019\u2019 Eyepiece"},"content":{"rendered":"<p style=\"text-align: center\">A new focal length joins the <b>Explore Scientific<\/b> line of<b> inert gas-purged Waterproof Eyepieces<\/b> with the <b>3mm 52\u00b0 LER Series Eyepiece<\/b>. A logical companion for the grab-and-go ED APO 80mm f\/6 Air-Spaced Triplet, this eyepiece produces 160X which will perform very well with good seeing conditions on planetary objects, and to split double stars. On the ED APO 152 at f\/8, 405X is achieved without the use of a Focal Extender or Barlow for those nights of near perfect seeing, with a <b>very comfortable 15mm of eye relief<\/b>.<\/p>\n<p style=\"text-align: center\"><b>Comfort, Quality, Value.<\/b> The Explore Scientific 52\u00b0 LER Series Most short focal length eyepieces are <b>excellent flat-field multi-element oculars <\/b>that can transform your visual astronomy experience. With an apparent field of view of 52 degrees, these eyepieces offer incredible value in a very nice eyepiece. Expect exceptional quality and value versus a comparably priced Plossl.<\/p>\n<p style=\"text-align: center\"><b>These eyepieces are the choice for observers wearing glasses<\/b> &#8211; with excellent performance and durability. The rubber inlet and the foldable eyecups make handling and using in the field easy. The <b>patented EMD-coating<\/b> produces <b>high contrast images<\/b> and prevents reflexes and ghosting. The argon purging effectively prevents internal fogging, and you don\u00b4t have to deal with dirt, fungus or cleansing fluids getting between the lenses. <b>The eyepieces are sealed &#8211; this makes sure you will be able to enjoy these eyepieces for many years to come.<\/b><\/p>\n<p><b>Features:<\/b><\/p>\n<ul>\n<li>Large eye distance, large field and great image sharpness<\/li>\n<li>Excellent viewing position for people with glasses<\/li>\n<li>Excellent field sharpness even with fast optics<\/li>\n<li>52\u00b0 apparent field of view<\/li>\n<li>Argon-purging prevents internal fogging, the sealing facilitates cleaning<\/li>\n<li>Patented EMD-coating to maximize contrast<\/li>\n<li>Blackened lens edges to avoid reflexes<\/li>\n<li>All eyepieces of this series are parfocal<\/li>\n<li>Stainless steel barrel with conical security cutoff<\/li>\n<li>Dust covers and protective bag included<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<table class=\"MsoNormalTable\" style=\"width: 387pt;margin-left: 5.15pt;border-collapse: collapse\" border=\"0\" width=\"516\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 35.1pt\">\n<td style=\"width: 387pt;border-color: #000000 #0070c0;border-width: 1pt 1pt 1.5pt;border-style: solid;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 35.1pt;text-align: left\" colspan=\"5\" nowrap=\"nowrap\" width=\"516\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><b><span style=\"font-size: 18pt;font-family: Cambria, serif;color: #1f497d\">Specifications<\/span><\/b><\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 20.1pt\">\n<td style=\"width: 309.35pt;border-color: #0070c0;border-style: none solid none none;border-width: medium 1pt medium medium;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" nowrap=\"nowrap\" width=\"412\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><b><span style=\"color: #1f497d\">Type<\/span><\/b><\/p>\n<\/td>\n<td style=\"width: 77.65pt;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" colspan=\"4\" nowrap=\"nowrap\" width=\"104\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><span style=\"color: #000000\">Super Plossl<\/span><span lang=\"en-us\" style=\"color: #000000\" xml:lang=\"en-us\"> &#8211; LER<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 20.1pt\">\n<td style=\"width: 309.35pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" nowrap=\"nowrap\" width=\"412\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><b><span style=\"color: #1f497d\">Number of lenses<\/span><\/b><\/p>\n<\/td>\n<td style=\"width: 59.5pt;border-color: #0070c0;border-style: none none none solid;border-width: medium medium medium 1pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" nowrap=\"nowrap\" width=\"79\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><span lang=\"en-us\" style=\"color: #000000\" xml:lang=\"en-us\">&#8211;<\/span><\/p>\n<\/td>\n<td style=\"width: 6.05pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<td style=\"width: 6.05pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<td style=\"width: 6.05pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<\/tr>\n<tr style=\"height: 20.1pt\">\n<td style=\"width: 309.35pt;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" nowrap=\"nowrap\" width=\"412\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><b><span style=\"color: #1f497d\">Focal length (mm)<\/span><\/b><\/p>\n<\/td>\n<td style=\"width: 77.65pt;border-color: #0070c0;border-style: none none none solid;border-width: medium medium medium 1pt;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" colspan=\"4\" nowrap=\"nowrap\" width=\"104\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><span lang=\"en-us\" style=\"color: #000000\" xml:lang=\"en-us\">3<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 20.1pt\">\n<td style=\"width: 309.35pt;border-color: #0070c0;border-style: none solid none none;border-width: medium 1pt medium medium;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" nowrap=\"nowrap\" width=\"412\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><b><span style=\"color: #1f497d\">Barrel size (&#8221;)<\/span><\/b><\/p>\n<\/td>\n<td style=\"width: 59.5pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" nowrap=\"nowrap\" width=\"79\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><span style=\"color: #000000\">1,25&#8221;<\/span><\/p>\n<\/td>\n<td style=\"width: 6.05pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<td style=\"width: 6.05pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<td style=\"width: 6.05pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<\/tr>\n<tr style=\"height: 20.1pt\">\n<td style=\"width: 309.35pt;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" nowrap=\"nowrap\" width=\"412\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><b><span style=\"color: #1f497d\">Eye Relief (mm)<\/span><\/b><\/p>\n<\/td>\n<td style=\"width: 77.65pt;border-color: #0070c0;border-style: none none none solid;border-width: medium medium medium 1pt;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" colspan=\"4\" nowrap=\"nowrap\" width=\"104\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><span lang=\"en-us\" style=\"color: #000000\" xml:lang=\"en-us\">15<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 20.1pt\">\n<td style=\"width: 309.35pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" nowrap=\"nowrap\" width=\"412\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><b><span style=\"color: #1f497d\">Apparent field of view (\u00b0)<\/span><\/b><\/p>\n<\/td>\n<td style=\"width: 59.5pt;border-color: #0070c0;border-style: none none none solid;border-width: medium medium medium 1pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" nowrap=\"nowrap\" width=\"79\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><span style=\"color: #000000\">52<\/span><\/p>\n<\/td>\n<td style=\"width: 6.05pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<td style=\"width: 6.05pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<td style=\"width: 6.05pt;background: #f6ecfe none repeat scroll 0% 0%;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<\/tr>\n<tr style=\"height: 20.1pt\">\n<td style=\"width: 309.35pt;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" nowrap=\"nowrap\" width=\"412\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><b><span style=\"color: #1f497d\">Weight <\/span><\/b><b><span style=\"color: #1f497d\">(kg)<\/span><\/b><\/p>\n<\/td>\n<td style=\"width: 77.65pt;border-color: #0070c0;border-style: none none none solid;border-width: medium medium medium 1pt;padding: 0cm 5.4pt;height: 20.1pt;text-align: left\" colspan=\"4\" nowrap=\"nowrap\" width=\"104\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\"><span style=\"color: #000000\">0,<\/span><span lang=\"en-us\" style=\"color: #000000\" xml:lang=\"en-us\">192<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 24.95pt\">\n<td style=\"width: 309.35pt;border-color: #0070c0;border-style: double none none;border-width: 2.25pt medium medium;padding: 0cm 5.4pt;height: 24.95pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"412\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<td style=\"width: 59.5pt;border-color: #0070c0;border-style: double none none;border-width: 2.25pt medium medium;padding: 0cm 5.4pt;height: 24.95pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"79\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<td style=\"width: 6.05pt;border-color: #0070c0;border-style: double none none;border-width: 2.25pt medium medium;padding: 0cm 5.4pt;height: 24.95pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<td style=\"width: 6.05pt;border-color: #0070c0;border-style: double none none;border-width: 2.25pt medium medium;padding: 0cm 5.4pt;height: 24.95pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<td style=\"width: 6.05pt;border-color: #0070c0;border-style: double none none;border-width: 2.25pt medium medium;padding: 0cm 5.4pt;height: 24.95pt;text-align: left\" valign=\"bottom\" nowrap=\"nowrap\" width=\"8\">\n<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt;line-height: normal\">\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><strong>Flat field eyepieces with extremely high image resolution. Ideal for lunar and planetary observation.<\/strong><\/p>\n","protected":false},"featured_media":40924,"template":"","meta":[],"product_brand":[],"product_cat":[816,815,775,788,748],"product_tag":[],"class_list":{"0":"post-40926","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-52-ler","7":"product_cat-explore-scientific","8":"product_cat-775","9":"product_cat-788","10":"product_cat-748","11":"pa_estiaki-apostasi-4-mm","12":"pa_fainomeno-pedio-50-60","13":"pa_syndesi-me-tileskopio-1-25","15":"first","16":"onbackorder","17":"shipping-taxable","18":"purchasable","19":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Explore Scientific 52\u00b0 LER 3mm 1.25\u2019\u2019 Eyepiece - Sky and weather<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/skyandweather.gr\/en\/product\/explore-scientific-52-ler-3mm-1-25-eyepiece\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Explore Scientific 52\u00b0 LER 3mm 1.25\u2019\u2019 Eyepiece - Sky and weather\" \/>\n<meta property=\"og:description\" content=\"Flat field eyepieces with extremely high image resolution. Ideal for lunar and planetary observation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/skyandweather.gr\/en\/product\/explore-scientific-52-ler-3mm-1-25-eyepiece\/\" \/>\n<meta property=\"og:site_name\" content=\"Sky and weather\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-17T14:51:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/skyandweather.gr\/wp-content\/uploads\/2019\/12\/1102-Explore-Scientific-Prosophthalmios-52\u00b0-LER-3mm-1.25.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/skyandweather.gr\/en\/product\/explore-scientific-52-ler-3mm-1-25-eyepiece\/\",\"url\":\"https:\/\/skyandweather.gr\/en\/product\/explore-scientific-52-ler-3mm-1-25-eyepiece\/\",\"name\":\"Explore Scientific 52\u00b0 LER 3mm 1.25\u2019\u2019 Eyepiece - 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