变焦无好筒，山寨才做变焦。而且，变焦真没啥用，光损太大了，据说聚光时只有20%的光通。 ...
损失是很大，不过只有20%貌似夸张了点吧，呵呵。。
为啥一定要变焦的 变焦就已经够呛了还要旋转变焦，给我都不要。 lzscript 发表于 2013-8-18 17:22 static/image/common/back.gif
我不是很懂，磁环调光可靠还是旋转调光可靠还是按钮可靠？我要最耐用的。请多指教。我工作时，带两把不方 ...
可靠性都不错，带两把不方便的话，可以考虑弄个头灯近照，再加个远射手电，哈哈
还不如搞2个筒子了 如果一定要变焦的，推荐在路上Z821或Z803。
我有个821，咨询过旋转变焦的803。其次先锋变焦也不错。 变焦的，很少吧。。。没推荐。 印象中质量好的变焦也就狼眼了，价格也贵啊 看看这篇就了解调焦的问题 ~
http://www.shoudian.org/thread-349919-1-2.html 我在评估，看看是否真的需要调焦？调焦能加强光照强度吗？ lzscript 发表于 2013-8-18 14:37 static/image/common/back.gif
淘宝上很多变焦电筒质量不咋的，要耐用的。最好是旋转变焦和调光的。
没有你要的手电
变焦与散热为何不能兼得？
只要厂家设计足够好
先过灯杯反射后在通过透镜调焦，光损应该可以提高。现在调焦大部分都是简单的透镜就完了，不认真设计灯杯。 lzscript 发表于 2013-8-18 17:28 static/image/common/back.gif
我的强光状态每天大概是十几分钟。不怕散热，主要是结实耐用，兼顾续航，有人推荐了JM07 26650电池T6 强 ...
找狼眼吧！{:1_303:} 美国神火或许有你想要的，不过价格偏高，毕竟几千块。
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楼主还是放弃变焦筒吧
路过围观一下
michlui0718 发表于 2013-9-29 18:04 static/image/common/back.gif
好筒不变焦,变焦非好筒
楼主还是放弃变焦筒吧
观点不是绝对的，现在出现了匀光变焦手电，效果十分的出色，而且透光效率很高。我单位进了几款。
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