SureFire L4 评测

flyflyflying

<center><p><font size="+3">SureFire L4 Digital Lumamax:</font>
                        <br/>Produced by <a href="http://www.surefire.com/">Surefire</a>
                        <br/><br/></p><img alt="l4 round body" src="http://members.aol.com/qn9513/myhomepage/l4siderb4.jpg" style="WIDTH: 790px; HEIGHT: 206px;"/><br/>This is the new style body for the L4.&nbsp; Instead of three flat sides on the body, there are two rounded sides. <br/><p><br/></p><p><img height="239" src="http://members.aol.com/qn9513/myhomepage/l4side5.jpg" width="785" alt=""/><br/>The Surefire L4 is a Digitally-Controlled 5 watt LED flashlight.&nbsp; It uses digital current regulation circuitry <br/>to achieve a constant level of brightness for the useable life of the batteries.&nbsp; The L4 also comes with a <br/>click on/click-off lockout tailcap switch.&nbsp; To lock out the tailcap switch, <br/>just unscrew the tailcap one half turn from the fully tightened position. <br/>&nbsp; <br/>&nbsp; </p><p><img height="400" src="http://members.aol.com/qn9513/myhomepage/l4graph2.jpg" width="396" alt=""/><br/>The L4 runs on 2 CR123 lithium batteries for an average of 65 minutes and has an average brightness output of 65 lumens. <br/>After ~65 minutes, brightness will drop off sharply, giving you decreasing brightness over the next 25 or so minutes. <br/>After that, the light output will be very low, but still useful enough to find your way back to more batteries. <br/></p><br/><img alt="" src="http://members.aol.com/qn9513/myhomepage/kl1kl4runtime.jpg" style="WIDTH: 557px; HEIGHT: 373px;"/><br/>This is the run-time of the KL4 head running from 1 Duracell DL123A battery<br/>This shows 3 hours and 30 minutes of diminishing brightness.&nbsp; After the initial drop<br/>during the first two minutes, the KL4 holds at about 30 lumens for over 90<br/>minutes and then drops off slowly for several hours.<br/>The blue line shows the run-time of the E1L (KL1 head) on one cell.<br/><br/>&nbsp; <p><img height="466" src="http://members.aol.com/qn9513/myhomepage/l4anda2big7.jpg" width="785" alt=""/><br/>On the left is the Surefire L4, notice the square shaped LED die surrounded by a custom "orange peel" reflector. <br/>On the right is the Surefire A2 with 3 embedded 5mm LEDS and an incandescent lamp in the middle. <br/>&nbsp; </p><p><img height="531" src="http://members.aol.com/qn9513/myhomepage/l4collectionx.jpg" width="603" alt=""/><br/>Here is a size comparison between the Surefire L4, A2, Brinkmann Legend LX, Mini-Mag 2AA and Arc LSH. <br/>Below are some beamshots comparing some of these lights. </p><p><font size="+2">Beamshots:</font>
                        <br/><img height="381" src="http://members.aol.com/qn9513/myhomepage/l4comp3.jpg" width="576" alt=""/><br/><img height="381" src="http://members.aol.com/qn9513/myhomepage/l43way.jpg" width="576" alt=""/></p><p><img height="752" src="http://members.aol.com/qn9513/myhomepage/l4bdrm.jpg" width="465" alt=""/></p><p><img height="402" src="http://members.aol.com/qn9513/myhomepage/l4anda2c.jpg" width="576" alt=""/><br/><img height="344" src="http://members.aol.com/qn9513/myhomepage/l4anda2b.jpg" width="576" alt=""/><br/><img height="381" src="http://members.aol.com/qn9513/myhomepage/l4anda2.jpg" width="576" alt=""/><br/><img height="381" src="http://members.aol.com/qn9513/myhomepage/l4andlsh.jpg" width="576" alt=""/><br/>&nbsp; </p><p><font size="+2">Here are some outdoor comparison shots:</font>
                        <br/><img height="680" src="http://members.aol.com/qn9513/myhomepage/l4compare2.jpg" width="690" alt=""/><br/>&nbsp; <br/>&nbsp; </p><p><font size="+2">Here are some indoor comparison shots:</font>
                        <br/><img height="1132" src="http://members.aol.com/qn9513/myhomepage/l4beamshot2s.jpg" width="575" alt=""/><br/>&nbsp; <br/>&nbsp; </p><p>Surefire L4 compared to the Surefire G2 w/P60 <br/><img height="1620" src="http://members.aol.com/qn9513/myhomepage/l4vsp60.jpg" width="576" alt=""/></p><p><br/><big><img alt="" src="http://members.aol.com/qn9513/myhomepage/u85beamcompz.jpg" style="WIDTH: 854px; HEIGHT: 560px;"/></big></p><p><big><img alt="" src="http://members.aol.com/qn9513/myhomepage/u85beamcompz2.jpg" style="WIDTH: 836px; HEIGHT: 572px;"/><br/>These shots are at about ~45 feet.<br/><br/></big></p></center>

xhdl115

好贴，支持。偶只有L4和E1L没做过什么对比。

Tyrant

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="ZH-CN" style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-CN;">楼主</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun;"><font face="Times New Roman">, </font></span><span lang="ZH-CN" style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-CN;">转载其它人的评测请注明 <span lang="EN-US" style="FONT-SIZE: 9pt; mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun;"><font face="Times New Roman">. . . </font></span></span><span lang="ZH-CN" style="FONT-SIZE: 9pt; FONT-FAMILY: SimSun; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-CN;">而且是那么老的评测了</span><font face="Times New Roman"><span lang="ZH-CN" style="FONT-SIZE: 9pt; mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun;">
                        </span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun;">. . .</span></font><span lang="EN-US" style="FONT-SIZE: 9pt;"><p></p></span></p>[em01][em05]

ppt800521

<p>感觉白光照射下反映出来的物体颜色最真实</p>[em05]