Friday, March 16, 2012

Fenix TK12 R5 Reviews & Pics


Specifications for TK12 R5:
  • Cree XP-G LED (R5) with lifespan of 50,000 hours
  • Three modes, two types of output for each mode, selected by turning the bezel
  • Outdoor mode: (A)65 lumens/12 hrs, (B) 280 lumens/1.5 hrs
  • Camping mode: (A) 11 lumens/120 hrs, (B) 120 lumens/5.5 hrs
  • Hunting mode: (A) Strobe/3 hrs, (B) 280 lumens/1.5hrs
  • Smooth reflector, throws beam over 200 meters
  • Dual switch system with easy operation - one for on/off, the other for output adjustment
  • Digitally regulated output - maintains constant brightness
  • Intelligent memory function
  • Anti-reverse connection circuit
  • Uses two 3v CR123A lithium batteries or one 18650 battery
  • Dimensions: 137.5mm (Length) x 25.4mm (Diameter) x 34mm (Head)
  • Made of durable aircraft-grade aluminum
  • Premium Type III hard-anodized anti-abrasive finish
  • Weight: 119g (not including batteries)
  • Waterproof to IPX-8 standard
  • Toughened ultra-clear glass lens with anti-reflective coating
  • Tactical tail cap switch with momentary-on function
  • Anti-roll, slip-resistant body design
  • Included accessories: holster, lanyard, body c lip, two spare o-rings, and rubber switch boot
  • MSRP ~$75
The TK12 is a black aluminum bezel, removable black aluminum ring cigar handle and removable black body clip (with titanium outer coating). The package includes the manual, warranty card, replacement of O-rings, extra trunk lid orange end cap, wrist strap and belt pouch with flap closure.


From left to right: Surefire CR123A, Fenix TK12, EagleTac T20C2 MarkII, Olight M21, JetBeam Raptor.

TK12: 123.3g weight, length x width 138.6mm 34.1mm (bezel max)

A little shorter than most of the competition, is the total weight and the diameter in line with other Cree-based lights.

On the surface, fit and finish very well on my test. No flaws in the matte black type III hard anodizing. Knurling on the body and end cap is about average in aggressiveness. Identification signs are obvious, though not as bright as some of the competition

The grip ring is removable, but you must accept the O-ring-tail first. The black clip (with titanium coating) is similar to the Fenix ​​LDx0/PDx0 series.


Threads are anodized for end-cap lock. Threads appear to be high quality, with a square-cut at both the head and tail regions. Due to the protruding forward clicky, the light can not stock tailstand form. But since the end cap sides are cultivated easily adapt it should be possible to make the switch tailstanding potential.

Note the body walls are pretty thick on the TK12, in accordance with his "tank" marital status. I would imagine you probably go through this light with the car without much damage to the body.

Unlike a number of current 18650 Lights can sample my TK12 take the newer flat-top high-capacity (2600 mAh) 18 650 AW protected cells.


The TK12 uses the new Cree XR-E emitter (no tint'm told) with a cool white-R5-output tray. Unlike some competitors, the head of the TK12 seems to be sealed. This means that the reflector, aperture, etc. is not user swappable.

And now the white wall hunting ... Both lights are on Max on a protected AW 18650, approximately 0.5 m from a white wall.


User interface

The TK12 has an updated interface from the classical two-stage Fenix ​​head spin.

Simply put, you can in two ways at a time, as you would expect for a Fenix ​​light. For example, in the light of the "Default Mode" pull the bezel for turbo mode (280 lumens) to relax for Lo-mode (65 lumens).

But you also have two other possible mode pairs - "Camping" mode (120 lumens lumens/11) and "hunt" mode (280 lumens / strobe). To switch between the three possible pairs of mode, run loose tighten two switches close within 0.5 seconds (ie solve - solve dress-pull). The light will notify the next mode pair in the sequence, with a flash to you. Do other double twist wrapping cycle to advance to the next mode pair. The light has a memory function, and remember what you pair mode, if you are re-enable it. And of course you can always say that if you tightened or loosened in the state for this mode are switched on before the pair.

In practice this works very well. Most of the time you will probably have it your preferred mode pair. One thing to note - the order of the pairs is actually standard mode - hunting - camping, not standard - camping - hunting as described in the manual.


Output/Runtime Comparison 

For all runtimes below, “Max” refers to Default/Hunting max output mode (i.e. 280 lumens), “Hi” refers to the Camping max output mode (i.e. 120 lumens), and “Med” refers to the Default output mode lo mode (i.e. 65 lumens). The Camping lo output mode (i.e. 11 lumens) was not tested.


Potential Issues

There is a slight indication of the known XP-G-dark effect in the hotspot center (ie a weak donut pattern to the hotspot). It is mild in this case - so remarkable in view of the smooth reflector (OP usually helps it out too). No big deal, but still something to keep in mind when looking at all the XP-G lights.

The head of my unit appears to be sealed. While ensuring the reliability and solid performance, should it also means that the components are not user-swappable (ie no change of the reflector, bezel, etc).

The light can not in its standard form tailstand. But given the slightly built external burrs, you should be able to jury-rig a solution by adding an appropriately tailstanding size washer around the boot cap before installation.

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