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Black Diamond Spot 400-R Headlamp vs Fenix HP35R

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

Black Diamond Spot 400-R Headlamp is the lighter option — 348 g lighter than the Fenix HP35R (80% less weight). If grams matter to you, that is the one to beat.
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Spec Black Diamond Spot 400-R Headlamp Fenix HP35R
Weight 85 g · 0.085 kg · 0.19 lb 433 g · 0.433 kg · 0.95 lb
Brand Black Diamond Fenix
Category Lighting Lighting
Black Diamond Spot 400-R Headlamp
85 g

Rechargeable 400-lumen headlamp with multiple modes including red night vision. USB-C charging with IPX8 waterproof rating.

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Fenix HP35R
433 g

Professional-grade rechargeable headlamp with 4000 max lumens, 500-yard throw, power bank function, and 12 lighting modes including spotlight and floodlight

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Black Diamond Spot 400-R Headlamp vs Fenix HP35R: which should you buy?

If saving weight is your priority, the Black Diamond Spot 400-R Headlamp wins — at 85 g it is 348 g (80%) lighter than the Fenix HP35R (433 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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