<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head> <title>Laser Lenses Circadea</title><meta http-equiv="content-type" content="text/html; charset=UTF-16LE"> <title> </title> </head> <body> <hr width="100%" size="2"><font size="+3"> Laser Lenses <hr width="100%" size="2"></font><br> <table width="809" height="59" cellspacing="2" cellpadding="2" border="0"> <tbody> <tr> <td valign="top">Laser lenses videos. <br> C2 lenses less loss. <br> Optilasers<br> <a href="%20https://optlasers.com/cnc-accessories/high-resolution-">More Info or Purchase</a> <br> Endurance<br> <a href="https://endurancelasers.com/an-endurance-laser-lens-pack/">Endurance More Info or Purchase</a> <br> Flat last?<br> Meniscus and concave lenses. <br><br><br> <a href="http://circadea.com/contact/"><font size="+1">Contact</font></a><br> <br> </td> <td valign="top" align="center"><img src="http://circadea.com/sales/pictures/.jpg" alt=""><br> <br> </td> </tr> <tr> <td valign="top"><br> </td> <td valign="top"><br> </td> </tr> </tbody> </table> <hr width="100%" size="2">Laser Lenses&nbsp; @ Circadea<br> <hr width="100%" size="2"> <hr width="100%" size="2"><br> <a href="https://jtechphotonics.com/?p=2602">Jtech</a><br> <a href="https://optlasers.com/">Optlasers</a><br> https://www.youtube.com/watch?v=1ZuVE6biIjM&amp;feature=emb_logo<br> Various Diameters<br> <a href="https://www.youtube.com/watch?v=7zG41fAPsng">Video</a><br> https://endurancelasers.com/an-endurance-laser-lens-pack/<br> <table width="1001" cellspacing="2" cellpadding="2"> <tbody> <tr> <td valign="top">Lens Type<br> </td> <td valign="top">Uses<br> </td> <td valign="top">Price<br> </td> <td valign="top"><br> </td> </tr> <tr> <td valign="top">G2<br> </td> <td valign="top"><span style="color: rgb(0, 0, 0); font-family: Arial; font-size: large; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">It is a focusable Dot collimating lens, assembly by 405-G-2 glass lens and M9*0.5 housing.<br> Short Focus</span><span style="font-size: 14pt;">The G2 is a single lens enabling the maximum true power of the laser diode&nbsp;</span><span style="font-size: 18.6667px;">f</span><span style="font-size: 14pt;">or rapid <span style="font-size: 12pt;"><span style="font-size: 14pt;">close-range</span>&nbsp;</span>burning and engraving.<br><br></span> <table style="height: 55px; width: 649px;" width="646" height="71"> <tbody><tr style="height: 27px;"> <td style="height: 27px; width: 110px;"><span style="color: #ff0000; font-size: 12pt;">Advantage<br></span></td> <td style="height: 27px; width: 523px;"><span style="font-size: 12pt;">95%&nbsp;efficiency, reduces the beam aperture</span></td> </tr> <tr style="height: 28px;"> <td style="height: 28px; width: 110px;"><span style="color: #ff0000; font-size: 12pt;">Downsides&nbsp;</span></td> <td style="height: 28px; width: 523px;"><span style="font-size: 12pt;">Increases the beam divergence (thickness) and affects the beam profile</span></td></tr></tbody> </table> <br> <span style="color: rgb(0, 0, 0); font-family: Arial; font-size: large; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"></span></td> <td valign="top">~$14<br> </td> <td valign="top"><br> </td> </tr> <tr> <td valign="top">G5<br> </td> <td valign="top"><br> </td> <td valign="top"><br> </td> <td valign="top"><br> </td> </tr> <tr> <td valign="top">G7<br> </td> <td valign="top"><span style="font-size: 14pt;">This lens is a cross between the divergence and the power lens.&nbsp; With the G7, the beam divergence won't increase as it does with the G2 and you will still get very close power of the laser diode. </span><br> <span style="font-size: 14pt;"><span style="font-size: 12pt; color: #ff0000;"></span> </span> <table style="width: 638px;" width="604" height="46"> <tbody><tr><td style="width: 94px;"><br> </td><td style="width: 528px;"><span style="font-size: 12pt;">88% efficiency, long focal length&nbsp;and increases beam apertrue&nbsp;</span></td></tr></tbody> </table> </td> <td valign="top"><br> </td> <td valign="top"><br> </td> </tr> <tr> <td valign="top"><font size="+3">G8</font><br> </td> <td valign="top"><strong style="color: rgb(153, 0, 255); font-family: |^W; font-size: large; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Cutting<br> The transparence ratio of the normal collimation lens of the market is around 80-90% due to the long focus distance.The original laser diode's light is diffused. A long focus lens will bring more power .The normal collimation lens's focus is 7-8mm but this lens' focus is around 2.357mm.So,the power lost will be less&nbsp;and the beam effect is the best!&nbsp; https://www.youtube.com/watch?v=pY_7MC39qCY</strong></td> <td valign="top">~$18<br> </td> <td valign="top"><a href="https://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&amp;toolid=11800&amp;pub=5575391738&amp;campid=5338306899&amp;mpre=https%3A%2F%2Fwww.ebay.com%2Fitm%2FG8-Laser-Lens-MP9x9mm-Laser-Collimation-Glass-Lens-x1-%2F264494342200">Link</a><br> <br> <a href="https://amzn.to/3u4WJmr">Link</a></td> </tr> <tr> <td valign="top">3 Element Lens<br> </td> <td valign="top">Adjustable focus<span style="color: #ff0000; font-size: 12pt;">Advantage<br></span> <table style="height: 55px;" width="646" height="71"> <tbody><tr style="height: 27px;"><td style="height: 27px; width: 114px;"><br> </td><td style="height: 27px; width: 516px;"><span style="font-size: 12pt;">Tight laser beam with the&nbsp;<span>cleanest beam profile</span></span></td> </tr> <tr style="height: 28px;"> <td style="height: 28px; width: 114px;"><span style="color: #ff0000; font-size: 12pt;">Downsides&nbsp;</span></td> <td style="height: 28px; width: 516px;"><span style="font-size: 12pt;">70%&nbsp;efficiency (1W raw output from the laser diode would be down to 700mw)</span></td></tr></tbody> </table> </td> <td valign="top"><br> </td> <td valign="top"><br> </td> </tr> <tr> <td valign="top"><br> </td> <td valign="top"><br> </td> <td valign="top"><br> </td> <td valign="top"><br> </td> </tr> </tbody> </table> <table style="box-sizing: border-box; border-collapse: collapse; color: rgb(33, 37, 41); font-family: proximanovaregular-webfont, -apple-system, system-ui, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" width="1000" border="2"> <tbody style="box-sizing: border-box;"><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Parameters</strong></td><td style="box-sizing: border-box;" width="113"><h4 style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0.5rem; font-weight: 500; line-height: 1.2; color: inherit; font-size: 1.5rem; font-family: proximanovabold-webfont;"><a href="https://odicforce.com/epages/05c54fb6-7778-4d36-adc0-0098b2af7c4e.sf/en_GB/?ObjectPath=/Shops/05c54fb6-7778-4d36-adc0-0098b2af7c4e/Products/OFL163">3 element laser lens</a></h4></td><td style="box-sizing: border-box;" width="113"><h4 style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0.5rem; font-weight: 500; line-height: 1.2; color: inherit; font-size: 1.5rem; font-family: proximanovabold-webfont;"><a href="https://odicforce.com/epages/05c54fb6-7778-4d36-adc0-0098b2af7c4e.sf/en_GB/?ObjectPath=/Shops/05c54fb6-7778-4d36-adc0-0098b2af7c4e/Products/OFL3">G2 laser lens</a></h4></td><td style="box-sizing: border-box;" width="113"><h4 style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0.5rem; font-weight: 500; line-height: 1.2; color: inherit; font-size: 1.5rem; font-family: proximanovabold-webfont;"><a href="https://odicforce.com/epages/05c54fb6-7778-4d36-adc0-0098b2af7c4e.sf/en_GB/?ObjectPath=/Shops/05c54fb6-7778-4d36-adc0-0098b2af7c4e/Products/OFL7">G7 laser lens</a></h4></td><td style="box-sizing: border-box;" width="113"><h4 style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0.5rem; font-weight: 500; line-height: 1.2; color: inherit; font-size: 1.5rem; font-family: proximanovabold-webfont;"><a href="https://odicforce.com/epages/05c54fb6-7778-4d36-adc0-0098b2af7c4e.sf/en_GB/?ObjectPath=/Shops/05c54fb6-7778-4d36-adc0-0098b2af7c4e/Products/OFL7-1">G8 laser lens</a></h4></td><td valign="top"><a href="https://odicforce.com/epages/05c54fb6-7778-4d36-adc0-0098b2af7c4e.sf/en_GB/?ObjectPath=/Shops/05c54fb6-7778-4d36-adc0-0098b2af7c4e/Products/OFL7-3">S16 Focusing</a><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="2" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">About the lens</strong></td><td style="box-sizing: border-box;" width="113">Standard 3 element laser lens</td><td style="box-sizing: border-box;" width="113">Short focal G2 laser lens</td><td style="box-sizing: border-box;" width="113">https://odicforce.com/9mm-x-05mm-Thread-PMMA-Laser-Focusing-Lens-2-packMulti focal G7 laser lens</td><td style="box-sizing: border-box;" width="113">Long focal G8 lens.</td><td valign="top"> <div class="ui-tabs-panel ui-widget-content ui-corner-bottom" id="tab-product-description" aria-labelledby="ui-id-1" role="tabpanel" aria-hidden="false"> <div class="description" itemprop="description"> <p>Mounted lens set with focus adjustment.</p> <ul><li>Lens Material: Single element; Coated optical glass</li><li>Lens Holder: 9mm x 0.5mm thread, 10mm thread length</li><li>EFL (Effective&nbsp;Focal&nbsp;Length):9.0mm</li><li>CA (Central&nbsp;Aperture):5.2mm</li><li>SD (Diode&nbsp;to&nbsp;lens):6.9mm</li><li>NA (Numerial&nbsp;Aperture):0.3mm</li><li>Coating:405-450nm; Transmittance ratio: 95%</li></ul> <p>Designed for high power blue and blue/violet laser diode engravers.</p> </div> </div> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113">G7 Aspheric Glass lens</td><td style="box-sizing: border-box;" width="113">G8 Precision Glass Molding</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="2" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Optimal focal range</strong></td><td style="box-sizing: border-box;" width="113">30-100mm</td><td style="box-sizing: border-box;" width="113">5-30mm</td><td style="box-sizing: border-box;" width="113">20-100mm</td><td style="box-sizing: border-box;" width="113">30-10mm</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="2" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Laser lens material</strong></td><td style="box-sizing: border-box;" width="113">glass</td><td style="box-sizing: border-box;" width="113">glass</td><td style="box-sizing: border-box;" width="113">glass</td><td style="box-sizing: border-box;" width="113">glass</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="2" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Size</strong></td><td style="box-sizing: border-box;" width="113">M9 x 0.5mm x 10</td><td style="box-sizing: border-box;" width="113">M9 x 0.5mm x 10</td><td style="box-sizing: border-box;" width="113">M9 x 0.5mm x 10</td><td style="box-sizing: border-box;" width="113">M9 x 0.5mm x 10</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="2" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Wavelength</strong></td><td style="box-sizing: border-box;" width="113">405-450nm</td><td style="box-sizing: border-box;" width="113">400nm-700nm broadband coated</td><td style="box-sizing: border-box;" width="113">400-700nm</td><td style="box-sizing: border-box;" width="113">400-700nm</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="2" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">AR coating</strong></td><td style="box-sizing: border-box;" width="113">+</td><td style="box-sizing: border-box;" width="113">+</td><td style="box-sizing: border-box;" width="113">+</td><td style="box-sizing: border-box;" width="113">+</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="2" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Transparency</strong></td><td style="box-sizing: border-box;" width="113">70%</td><td style="box-sizing: border-box;" width="113">96%</td><td style="box-sizing: border-box;" width="113">85%</td><td style="box-sizing: border-box;" width="113">90%</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="2" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Components</strong></td><td style="box-sizing: border-box;" width="113">3 element lens</td><td style="box-sizing: border-box;" width="113">Single Element</td><td style="box-sizing: border-box;" width="113">Single Element</td><td style="box-sizing: border-box;" width="113">Element Aspheric</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="7" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Laser lens parameters</strong></td><td style="box-sizing: border-box;" width="113">FL: about 8mm</td><td style="box-sizing: border-box;" width="113">Front Focus: 4.02mm</td><td style="box-sizing: border-box;" width="113">EFL=8mm</td><td style="box-sizing: border-box;" width="113">EFL: 8mm</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113">Lens Size: 6mm</td><td style="box-sizing: border-box;" width="113">Back Focus: 4.8mm</td><td style="box-sizing: border-box;" width="113">Laser lens thickness=2.3mm</td><td style="box-sizing: border-box;" width="113">NA: 0.20</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113">Working Focus: 2.357mm</td><td style="box-sizing: border-box;" width="113">NA=0.2</td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113">Naked Lens inside: 6.33mm(Diameter)</td><td style="box-sizing: border-box;" width="113">CA=6.5</td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113">Divergence: 10.02mm</td><td style="box-sizing: border-box;" width="113">BFL=5.67122</td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113">Divergence: 8.8mm</td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113">Focal Length: 7mm</td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="2" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Glass Type</strong></td><td style="box-sizing: border-box;" width="113"> </td><td style="box-sizing: border-box;" width="113">L-BAL35</td><td style="box-sizing: border-box;" width="113"> </td><td style="box-sizing: border-box;" width="113"> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td rowspan="2" style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Frame material</strong></td><td style="box-sizing: border-box;" width="113">Black metal</td><td style="box-sizing: border-box;" width="113">Golden metal</td><td style="box-sizing: border-box;" width="113">Golden metal</td><td style="box-sizing: border-box;" width="113">Black metal</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td style="box-sizing: border-box;" width="113"><br> </td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">Laser power</strong></td><td style="box-sizing: border-box;" width="113">100mW ~ 10W</td><td style="box-sizing: border-box;" width="113">100mW ~ 10W</td><td style="box-sizing: border-box;" width="113">100mW ~ 10W</td><td style="box-sizing: border-box;" width="113">100mW ~ 10W</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">The best tested focal range*</strong></td><td style="box-sizing: border-box;" width="113">63-67 mm</td><td style="box-sizing: border-box;" width="113">32-33 mm</td><td style="box-sizing: border-box;" width="113">83-85 mm</td><td style="box-sizing: border-box;" width="113">70-75 mm</td><td valign="top"><br> </td> </tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box;" width="113"><strong style="box-sizing: border-box; font-weight: bolder;">The smallest laser beam spot*</strong></td><td style="box-sizing: border-box;" width="113">85 x 130 microns (uM)</td><td style="box-sizing: border-box;" width="113">65 x 130 microns (uM)</td><td style="box-sizing: border-box;" width="113">88 x 130 microns (uM)</td><td style="box-sizing: border-box;" width="113">77 x 130 microns (uM)</td><td valign="top"><br> </td> </tr></tbody> </table> <br class="Apple-interchange-newline"> <br> <hr width="100%" size="2">&nbsp;&nbsp; Date: 12/13/2019 2:19:28 PM <hr width="100%" size="2"><br> </body></html>