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Black Diamond Astro 300-R vs Zebralight H600c Mark IV

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

Zebralight H600c Mark IV is the lighter option — 32 g lighter than the Black Diamond Astro 300-R (38% less weight). If grams matter to you, that is the one to beat.
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Spec Black Diamond Astro 300-R Zebralight H600c Mark IV
Weight 84 g · 0.084 kg · 0.19 lb 52 g · 0.052 kg · 0.11 lb
Brand Black Diamond Zebralight
Category Lighting Lighting
Black Diamond Astro 300-R
84 g

Compact rechargeable 300-lumen headlamp.

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Zebralight H600c Mark IV
52 g

High-CRI 2000-lumen headlamp. Incredibly versatile.

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Black Diamond Astro 300-R vs Zebralight H600c Mark IV: which should you buy?

If saving weight is your priority, the Zebralight H600c Mark IV wins — at 52 g it is 32 g (38%) 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.

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