Black Diamond Spot 400-R Headlamp vs Fenix HM50R V2.0
Weight and specs compared for 2026 — and which one to choose.
Rechargeable 400-lumen headlamp with multiple modes including red night vision. USB-C charging with IPX8 waterproof rating.
Full details →Compact 700-lumen rechargeable headlamp running a 16340 cell, weight including battery.
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Black Diamond Spot 400-R Headlamp vs Fenix HM50R V2.0: which should you buy?
If saving weight is your priority, the Fenix HM50R V2.0 wins — at 78 g it is 7 g (8%) lighter than the Black Diamond Spot 400-R Headlamp (85 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.