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Black Diamond Astro 300-R vs Petzl Nao RL
Weight and specs compared for 2026 — and which one to choose.
Black Diamond Astro 300-R is the lighter option — 61 g lighter than the Petzl Nao RL (42% less weight). If grams matter to you, that is the one to beat.
Petzl Nao RL
145 g
High-output 1500-lumen rechargeable headlamp with Reactive Lighting that auto-adjusts brightness to the surroundings.
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Black Diamond Astro 300-R vs Petzl Nao RL: which should you buy?
If saving weight is your priority, the Black Diamond Astro 300-R wins — at 84 g it is 61 g (42%) lighter than the Petzl Nao RL (145 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.
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