I know its technically not a flashlight but it's my favorite photon emitter regardless. This thing makes entire clouds glow when I point it at em, has a few miles of throw
Review: 473 nm 100 mW Jet Lasers PL-E Pro „Sky Beauty“ | Laser Pointer Forums - Discuss Laser Pointers | High Power Lasers
Review: Wicked Lasers Arctic Spyder III Blue 1 Watt Laser – Gary Cruz Dot Com