Silva L4

This headtorch weighs just 82g (including batteries); 4 x LED; 3 power settings plus red and flash; head tilts and can be tightened with screw; max burn time 90 hours; excellent price. But no ratchet on head tilt so not as secure as some; no top of hand strap; no power remaining indicator.
 

Verdict: An excellent lightweight option, but head tilt mechanism could be better.