﻿{"id":266,"date":"2025-02-21T12:17:05","date_gmt":"2025-02-21T04:17:05","guid":{"rendered":"https:\/\/www.bihec.com\/latticeoptics\/?p=266"},"modified":"2025-02-21T12:17:05","modified_gmt":"2025-02-21T04:17:05","slug":"lattice-electro-optics%e7%90%83%e9%9d%a2bk7%e5%b9%b3%e5%87%b9%e9%80%8f%e9%95%9cb-pc","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/latticeoptics\/lattice-electro-optics%e7%90%83%e9%9d%a2bk7%e5%b9%b3%e5%87%b9%e9%80%8f%e9%95%9cb-pc\/","title":{"rendered":"Lattice Electro Optics\u7403\u9762BK7\u5e73\u51f9\u900f\u955cB-PC"},"content":{"rendered":"<h3><strong><a href=\"https:\/\/www.bihec.com\/latticeoptics\/tag\/lattice-electro-optics%e7%90%83%e9%9d%a2bk7%e5%b9%b3%e5%87%b9%e9%80%8f%e9%95%9c-b-pc\/\" title=\"View all posts in Lattice Electro Optics\u7403\u9762BK7\u5e73\u51f9\u900f\u955c (B-PC)\" target=\"_blank\">Lattice Electro Optics\u7403\u9762BK7\u5e73\u51f9\u900f\u955c (B-PC)<\/a><\/strong><\/h3>\n<p id=\"rUJlbxn\"><img decoding=\"async\" loading=\"lazy\" width=\"207\" height=\"149\" class=\"alignnone size-full wp-image-267 \" src=\"https:\/\/www.bihec.com\/latticeoptics\/wp-content\/uploads\/sites\/1793\/2025\/02\/img_67b7fdad677cd.png\" alt=\"\" \/><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"145\">\n<h1>Specifications<\/h1>\n<\/td>\n<td width=\"150\">&nbsp;<\/td>\n<\/tr>\n<tr>\n<td width=\"145\">Diameter Tolerance:<\/td>\n<td width=\"150\">+0\/-0.005\u201d<\/td>\n<\/tr>\n<tr>\n<td width=\"145\">Thickness Tolerance:<\/td>\n<td width=\"150\">\u00b10.010\u201d<\/td>\n<\/tr>\n<tr>\n<td width=\"145\">Concentricity:<\/td>\n<td width=\"150\">&lt; 3 arc min.<\/td>\n<\/tr>\n<tr>\n<td width=\"145\">Clear Aperture:<\/td>\n<td width=\"150\">&gt; 85% of diameter<\/td>\n<\/tr>\n<tr>\n<td width=\"145\">Focal Length Tolerance<\/td>\n<td width=\"150\">\u00b1\u00a00.5%<\/td>\n<\/tr>\n<tr>\n<td width=\"145\">Surface Figure:<\/td>\n<td width=\"150\">l\/10 at 632.8nm<\/td>\n<\/tr>\n<tr>\n<td width=\"145\">Surface Quality:<\/td>\n<td width=\"150\">10-5 scratch-dig<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table width=\"740\">\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"103\"><strong>Part No.<\/strong><\/td>\n<td rowspan=\"2\" width=\"96\"><strong>Material<\/strong><\/td>\n<td rowspan=\"2\" width=\"86\"><strong>Diameter<\/strong><\/td>\n<td rowspan=\"2\" width=\"86\"><strong>R<\/strong><\/td>\n<td colspan=\"2\" width=\"173\"><strong>Focal Length ( f )<\/strong><\/td>\n<td rowspan=\"2\" width=\"86\"><strong>Thickness<\/strong><\/p>\n<p><strong>CT<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"86\"><strong>532nm<\/strong><\/td>\n<td width=\"86\"><strong>1064nm<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-15<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">7.77mm<\/td>\n<td width=\"86\">-15mm<\/td>\n<td width=\"86\">-15.4mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-20<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">10.39mm<\/td>\n<td width=\"86\">-20mm<\/td>\n<td width=\"86\">-20.5mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-30<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">15.58mm<\/td>\n<td width=\"86\">-30mm<\/td>\n<td width=\"86\">-30.8mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-40<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">20.78mm<\/td>\n<td width=\"86\">-40mm<\/td>\n<td width=\"86\">-41.0mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-50<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">25.97mm<\/td>\n<td width=\"86\">-50mm<\/td>\n<td width=\"86\">-51.3mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-100<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">51.95mm<\/td>\n<td width=\"86\">-100mm<\/td>\n<td width=\"86\">-102.5mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-200<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">103.89mm<\/td>\n<td width=\"86\">-200mm<\/td>\n<td width=\"86\">-205.1mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-300<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">155.84mm<\/td>\n<td width=\"86\">-300mm<\/td>\n<td width=\"86\">-307.6mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-500<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">259.73mm<\/td>\n<td width=\"86\">-500mm<\/td>\n<td width=\"86\">-512.7mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-750<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">389.60mm<\/td>\n<td width=\"86\">-750mm<\/td>\n<td width=\"86\">-769.0mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-1000<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">519.47mm<\/td>\n<td width=\"86\">-1000mm<\/td>\n<td width=\"86\">-1025.3mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-10-1500<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">10mm<\/td>\n<td width=\"86\">779.20mm<\/td>\n<td width=\"86\">-1500mm<\/td>\n<td width=\"86\">-1538.0mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-20<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">10.39mm<\/td>\n<td width=\"86\">-20mm<\/td>\n<td width=\"86\">-20.5mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-30<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">15.58mm<\/td>\n<td width=\"86\">-30mm<\/td>\n<td width=\"86\">-30.8mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-40<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">20.78mm<\/td>\n<td width=\"86\">-40mm<\/td>\n<td width=\"86\">-41.0mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-50<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">25.97mm<\/td>\n<td width=\"86\">-50mm<\/td>\n<td width=\"86\">-51.3mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-100<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">51.95mm<\/td>\n<td width=\"86\">-100mm<\/td>\n<td width=\"86\">-102.5mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-200<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">103.89mm<\/td>\n<td width=\"86\">-200mm<\/td>\n<td width=\"86\">-205.1mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-300<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">155.84mm<\/td>\n<td width=\"86\">-300mm<\/td>\n<td width=\"86\">-307.6mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-500<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">259.73mm<\/td>\n<td width=\"86\">-500mm<\/td>\n<td width=\"86\">-512.7mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-750<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">389.60mm<\/td>\n<td width=\"86\">-750mm<\/td>\n<td width=\"86\">-769.0mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-1000<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">519.47mm<\/td>\n<td width=\"86\">-1000mm<\/td>\n<td width=\"86\">-1025.3mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">B-PC-12.7-1500<\/td>\n<td width=\"96\">BK7<\/td>\n<td width=\"86\">0.5\u201d<\/td>\n<td width=\"86\">779.20mm<\/td>\n<td width=\"86\">-1500mm<\/td>\n<td width=\"86\">-1538.0mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table width=\"740\">\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"109\"><strong>Part No.<\/strong><\/td>\n<td rowspan=\"2\" width=\"90\"><strong>Material<\/strong><\/td>\n<td rowspan=\"2\" width=\"86\"><strong>Diameter<\/strong><\/td>\n<td rowspan=\"2\" width=\"86\"><strong>R<\/strong><\/td>\n<td colspan=\"2\" width=\"173\"><strong>Focal Length ( f )<\/strong><\/td>\n<td rowspan=\"2\" width=\"86\"><strong>Thickness<\/strong><\/p>\n<p><strong>CT<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"86\"><strong>532nm<\/strong><\/td>\n<td width=\"86\"><strong>1064nm<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-50<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">25.97mm<\/td>\n<td width=\"86\">-50mm<\/td>\n<td width=\"86\">-51.3mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-100<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">51.95mm<\/td>\n<td width=\"86\">-100mm<\/td>\n<td width=\"86\">-102.5mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-200<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">103.89mm<\/td>\n<td width=\"86\">-200mm<\/td>\n<td width=\"86\">-205.1mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-300<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">155.84mm<\/td>\n<td width=\"86\">-300mm<\/td>\n<td width=\"86\">-307.6mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-500<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">259.73mm<\/td>\n<td width=\"86\">-500mm<\/td>\n<td width=\"86\">-512.7mm<\/td>\n<td width=\"86\">3mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-750<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">389.60mm<\/td>\n<td width=\"86\">-750mm<\/td>\n<td width=\"86\">-769.0mm<\/td>\n<td width=\"86\">3mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-1000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">519.47mm<\/td>\n<td width=\"86\">-1000mm<\/td>\n<td width=\"86\">-1025.3mm<\/td>\n<td width=\"86\">3mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-1500<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">779.20mm<\/td>\n<td width=\"86\">-1500mm<\/td>\n<td width=\"86\">-1538.0mm<\/td>\n<td width=\"86\">4mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-2000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">1038.94mm<\/td>\n<td width=\"86\">-2000mm<\/td>\n<td width=\"86\">-2050.7mm<\/td>\n<td width=\"86\">4mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-3000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">1558.41mm<\/td>\n<td width=\"86\">-3000mm<\/td>\n<td width=\"86\">-3076.0mm<\/td>\n<td width=\"86\">4mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-5000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">2597.35mm<\/td>\n<td width=\"86\">-5000mm<\/td>\n<td width=\"86\">-5126.7mm<\/td>\n<td width=\"86\">4mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-25.4-10000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.0\u201d<\/td>\n<td width=\"86\">5194.70mm<\/td>\n<td width=\"86\">-10000mm<\/td>\n<td width=\"86\">-10253.4mm<\/td>\n<td width=\"86\">4mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-75<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">38.96mm<\/td>\n<td width=\"86\">-75mm<\/td>\n<td width=\"86\">-76.9mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-100<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">51.95mm<\/td>\n<td width=\"86\">-100mm<\/td>\n<td width=\"86\">-102.5mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-200<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">103.89mm<\/td>\n<td width=\"86\">-200mm<\/td>\n<td width=\"86\">-205.1mm<\/td>\n<td width=\"86\">2mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-300<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">155.84mm<\/td>\n<td width=\"86\">-300mm<\/td>\n<td width=\"86\">-307.6mm<\/td>\n<td width=\"86\">3mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-500<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">259.73mm<\/td>\n<td width=\"86\">-500mm<\/td>\n<td width=\"86\">-512.7mm<\/td>\n<td width=\"86\">3mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-750<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">389.60mm<\/td>\n<td width=\"86\">-750mm<\/td>\n<td width=\"86\">-769.0mm<\/td>\n<td width=\"86\">4mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-1000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">519.47mm<\/td>\n<td width=\"86\">-1000mm<\/td>\n<td width=\"86\">-1025.3mm<\/td>\n<td width=\"86\">4mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-1500<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">779.20mm<\/td>\n<td width=\"86\">-1500mm<\/td>\n<td width=\"86\">-1538.0mm<\/td>\n<td width=\"86\">4mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-2000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">1038.94mm<\/td>\n<td width=\"86\">-2000mm<\/td>\n<td width=\"86\">-2050.7mm<\/td>\n<td width=\"86\">5mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-3000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">1558.41mm<\/td>\n<td width=\"86\">-3000mm<\/td>\n<td width=\"86\">-3076.0mm<\/td>\n<td width=\"86\">5mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-5000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">2597.35mm<\/td>\n<td width=\"86\">-5000mm<\/td>\n<td width=\"86\">-5126.7mm<\/td>\n<td width=\"86\">5mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-38.1-10000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">1.5\u201d<\/td>\n<td width=\"86\">5194.70mm<\/td>\n<td width=\"86\">-10000mm<\/td>\n<td width=\"86\">-10253.4mm<\/td>\n<td width=\"86\">5mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-50.8-100<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">2.0\u201d<\/td>\n<td width=\"86\">51.95mm<\/td>\n<td width=\"86\">-100mm<\/td>\n<td width=\"86\">-102.5mm<\/td>\n<td width=\"86\">3mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-50.8-200<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">2.0\u201d<\/td>\n<td width=\"86\">103.89mm<\/td>\n<td width=\"86\">-200mm<\/td>\n<td width=\"86\">-205.1mm<\/td>\n<td width=\"86\">3mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-50.8-300<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">2.0\u201d<\/td>\n<td width=\"86\">155.84mm<\/td>\n<td width=\"86\">-300mm<\/td>\n<td width=\"86\">-307.6mm<\/td>\n<td width=\"86\">3mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-50.8-500<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">2.0\u201d<\/td>\n<td width=\"86\">259.73mm<\/td>\n<td width=\"86\">-500mm<\/td>\n<td width=\"86\">-512.7mm<\/td>\n<td width=\"86\">5mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-50.8-750<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">2.0\u201d<\/td>\n<td width=\"86\">389.60mm<\/td>\n<td width=\"86\">-750mm<\/td>\n<td width=\"86\">-769.0mm<\/td>\n<td width=\"86\">5mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-50.8-1000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">2.0\u201d<\/td>\n<td width=\"86\">519.47mm<\/td>\n<td width=\"86\">-1000mm<\/td>\n<td width=\"86\">-1025.3mm<\/td>\n<td width=\"86\">5mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-50.8-1500<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">2.0\u201d<\/td>\n<td width=\"86\">779.20mm<\/td>\n<td width=\"86\">-1500mm<\/td>\n<td width=\"86\">-1538.0mm<\/td>\n<td width=\"86\">5mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-50.8-2000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">2.0\u201d<\/td>\n<td width=\"86\">1038.94mm<\/td>\n<td width=\"86\">-2000mm<\/td>\n<td width=\"86\">-2050.7mm<\/td>\n<td width=\"86\">6mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-50.8-3000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">2.0\u201d<\/td>\n<td width=\"86\">1558.41mm<\/td>\n<td width=\"86\">-3000mm<\/td>\n<td width=\"86\">-3076.0mm<\/td>\n<td width=\"86\">6mm<\/td>\n<\/tr>\n<tr>\n<td width=\"109\">B-PC-50.8-5000<\/td>\n<td width=\"90\">BK7<\/td>\n<td width=\"86\">2.0\u201d<\/td>\n<td 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