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As the title asks? Why is Blu-Ray called Blu-Ray? I googled it and navigated to Sony's website. "Why is it called Blu-ray? Answer: It is called Blu-ray because the laser that is used to write and read data is blue instead of red or infrared which is used for CD and DVD. It is spelt Blu...

Hi I just received my new 150mw module from laserlands and after powering it up im not sure its 150mw. i dont have a power meter. It does burn electrical tape slowly but cannot ignite a match. Beam is visible in low light areas. But more so after it warms up the beam splits. after about 5 -...

Hi, My first review here. I had order a 50mw green torch from DX (SD301) but it got confiscated by AUS Customs). So i decided to order a green module from a DIY build. After speaking with Marry from LASERLANDS i decided i would get a 150mw module. But before ordering this, i would try my luck...

Hello all, I'm new to LPF and currently planing/starting my first DIY Green Module build. Just have a quick question in regards with the supply(cell) power source. I'm planning on using module 150mw 532nm 3.5v - 4.2v. I have searched but couldn't find a direct comparison between the 2. What...