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Black Diamond Astro 300-R vs Black Diamond Deploy 325 Headlamp
Weight and specs compared for 2026 — and which one to choose.
Black Diamond Deploy 325 Headlamp is the lighter option — 44 g lighter than the Black Diamond Astro 300-R (52% less weight). If grams matter to you, that is the one to beat.
Black Diamond Deploy 325 Headlamp
40 g
Ultra-compact 40g headlamp with 325-lumen output. Folds flat for easy storage in a pocket or pack lid. USB-C rechargeable. Best-in-class weight for a capable tr...
Check price Full details →Black Diamond Astro 300-R vs Black Diamond Deploy 325 Headlamp: which should you buy?
If saving weight is your priority, the Black Diamond Deploy 325 Headlamp wins — at 40 g it is 44 g (52%) lighter than the Black Diamond Astro 300-R (84 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest lighting page, or browse the full gear weight database.