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Black Diamond Astro 300-R vs Petzl Swift RL Headlamp 1200L

Weight and specs compared for 2026 — and which one to choose.

Black Diamond Astro 300-R is the lighter option — 8 g lighter than the Petzl Swift RL Headlamp 1200L (9% less weight). If grams matter to you, that is the one to beat.
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Spec Black Diamond Astro 300-R Petzl Swift RL Headlamp 1200L
Weight 84 g · 0.084 kg · 0.19 lb 92 g · 0.092 kg · 0.20 lb
Brand Black Diamond Petzl
Category Lighting Lighting
Black Diamond Astro 300-R
84 g

Compact rechargeable 300-lumen headlamp.

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Petzl Swift RL Headlamp 1200L
92 g

High-performance headlamp, 3.25oz, 1200 lumens with reactive lighting technology

Full details →

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Black Diamond Astro 300-R vs Petzl Swift RL Headlamp 1200L: which should you buy?

If saving weight is your priority, the Black Diamond Astro 300-R wins — at 84 g it is 8 g (9%) lighter than the Petzl Swift RL Headlamp 1200L (92 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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