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- LD36R vs TK17
Fenix LD36R vs Fenix TK17
What LD36R does better (3) and where TK17 wins (1) — every spec side by side.
Dimensions
Size comparison
LD36RTK17
| LD36R | TK17 | Difference | |
|---|---|---|---|
| Length / height | 139.6 mm | 148.5 mm | −8.9 mm |
| Head diameter / width | 40 mm | 36 mm | +4 mm |
| Body diameter / depth | 26.5 mm | 25.4 mm | +1.1 mm |
| Weight | 231 g | 197 g | +34 g |
Drawn to the same scale from the official dimensions (front and side).
Why is LD36R better than TK17?
- Beam distance (ANSI FL1)385 m vs 330 m+17%
- Peak beam intensity37,060 cd vs 27,220 cd+36%
- Maximum runtime65.3 h vs 60 h+9%
Why is TK17 better than LD36R?
- Weight231 g vs 197 g+17%
Specifications
Side by side
| Light output | ||
| Maximum output | 3,600 lm | 3,600 lm |
| Peak beam intensity | 37,060 cd | 27,220 cd |
| Beam distance (ANSI FL1) | 385 m | 330 m |
| Light source | LED | LED |
| LED & beam | ||
| LED emitter | Luminus SFT-25R | Cree XHP50 |
| LED maker | Luminus | Cree |
| Number of LEDs | 3 | — |
| Colour temperature | 6,500K | 5,700K |
| Battery & charging | ||
| Battery | 21700 Li-ion | 21700 Li-ion |
| Battery capacity | — | 6,000 mAh |
| Maximum runtime | 65.3 h | 60 h |
| Rechargeable | Yes | Yes |
| USB-C charging | Yes | Yes |
| Battery level indicator | Yes | Yes |
| Build & durability | ||
| Protection rating | IP68 | IP68 |
| Water protection (IPx) | IPx8 | IPx8 |
| Body material | — | Aluminium |
| Size & weight | ||
| Length / height | 139.6 mm | 148.5 mm |
| Head diameter / width | 40 mm | 36 mm |
| Body diameter / depth | 26.5 mm | 25.4 mm |
| Weight | 231 g | 197 g |
| Modes & features | ||
| Stepless (ramping) brightness | Yes | — |
| Switch | — | Dual switches |
| Tactical tail switch (momentary on) | — | Yes |
| Strobe | Yes | Yes |
| Red light | Yes | — |
| Green / blue / RGB light | Yes | — |
| Lockout | Yes | — |
| Mode memory | Yes | Yes |
