Black Diamond Astro 250 Headlamp

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Brightening to 250 lumens with updated optical efficiency in a compact, weather-resistant housing, the Black Diamond Astro 250 headlamp is always great for adventures in the dark and as a back-up.

  • Features

    • Settings feature full strength, dimming and strobe modes for customizing to your lighting needs
    • Brightness Memory allows you to turn the light on and off at a chosen brightness setting without it reverting back
    • Emits up to 250 lumens on max setting
    • Digital lockout feature prevents accidental use when stored in a pack or pocket as a back-up
    • Compact, low-profile design uses 3 AAA batteries (included)
    • IPX4 stormproof protection rated to withstand rain and sleet from any angle—perfect should you be caught in a downpour


    View the Black Diamond Astro Product LineView all Black Diamond LED Headlamps
  • Technical Specs

    Best Use


    Bulb Type


    Bulb Detail

    White LED

    Beam Type

    Adjustable / Flood

    Max Light Output (Lumens)

    250 lumens

    Light Output

    High: 250; low: 4 lumens

    Max Beam Distance (m)

    35 meters

    Beam Distance

    High: 35; low: 3 meters

    Brightness Levels




    Average Run Time

    High: 4.5; low: 200; reserve: 14 hours


    3 AAA

    Water-Resistance Rating


    Weight With Batteries


  • Reviews
    103 reviews with an average rating of 4.6 out of 5 stars

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