5tExif II* z Z ` n v ( 1 * ~ 2 i The laser tube unwrapped. The beam comes out the right end. The innermost tube is the laser. The surrounding tube and spirals is the water cooling system. The outer tube is just for support and protection, as far as I know. Canon Canon EOS 70D , , Adobe Photoshop Lightroom 5.5 (Macintosh) 2014:07:26 22:00:27 & " ' 0 2 0230 . B V ^ f n v 00 00 ~ 1 2 4 5 2014:07:26 20:02:49 2014:07:26 20:02:49 0 0 022021012123 U EF-S15-85mm f/3.5-5.6 IS USM 000010b2cd 4 < ( D (1 H H Adobe d !1"AQ2aqBR#b3r$C4S%DTc !1A2Q"BRabqr3# ? h24&R1Q칐yg#"w G ?-¡