Double check your pin/terminal connections. For bare laser diodes (especially high power ones rode/groene/blauw/triplex krachtig laserpointer ), the heatsink is almost always the ANODE (positive) and the top terminal is the cathode (NEGATI…

Double check your pin/terminal connections. For bare laser diodes (especially high power ones rode/groene/blauw/triplex krachtig laserpointer ), the heatsink is almost always the ANODE (positive) and the top terminal is the cathode (NEGATI…

Double check your pin/terminal connections. For bare laser diodes (especially high power ones rode/groene/blauw/triplex krachtig laserpointer ), the heatsink is almost always the ANODE (positive) and the top terminal is the cathode (NEGATI…

Double check your pin/terminal connections. For bare laser diodes (especially high power ones rode/groene/blauw/triplex krachtig laserpointer ), the heatsink is almost always the ANODE (positive) and the top terminal is the cathode (NEGATI…

Where there is no external focus adjustment, it may be possible to remove the front bezel and then access an internal focus ring. With luck, it can be turned with a flat blade screwdriver or other suitable tool to tweak for best focus. Tak…