TK
Fenix TK21R
The Fenix TK21R is a round-body LED handheld light rated at 3,600 lumens and 55,000 candela. That candela figure works out to an effective positive identification distance of 81 yards and visual impairment out to 11 yards, both calculated from the published beam data. It runs on 21700 and is rechargeable. It weighs 7.3 oz in an aluminum body 6.1 inches long. Measured against the 362 handheld lights in the index, it lands in the brightest quarter for output (3,600 lumens), on the more intense side for beam intensity (55,000 candela), on the heavier side for weight (7.3 oz), and on the pricier side for price ($150). It is one of 75 entries in the index that qualify as a light in the same 2,000 to 3,999 lumen class. The closest listed comparison is Fenix LD45R, the same brand's light in the same 2,000 to 3,999 lumen class, priced at $150.
| Series | TK |
| Light Color | White |
| Emitter Type | LED |
| Lumens | 3600 |
| Candela | 55000 |
| Effective PID Distance (yds) | 81 |
| Max Effective PID Distance (yds) | 80+ |
| Effective Visual Impairment (yds) | 11 |
| Max Effective Visual Impairment (yds) | 10 to 15 |
| Battery | 21700 |
| Rechargeable | Yes |
| Material | Aluminum |
| Weight (oz) | 7.3 |
| Bezel Diameter (in) | 1.34 |
| Length (in) | 6.1 |
| Country of Manufacture | China |
| Average Price | $150 |
| Form Factor | Round |
| Laser | No |
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