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Fenix

Fenix TK75 flashlight review

4 x Cree XHP35 HI LEDs
5100 lm output
180600 cd intensity
4 x 18650 Li-Ion batteries

The Fenix TK75 flashlight was released in 2017. It uses 4 x Cree XHP35 HI LEDs, SMO reflector and 4 x 18650 Li-Ion batteries. The powerful emitter in this flashlight provides up to 5100 lm output, 180600 cd intensity, and a beam distance of 850 m.

Wondering if this Fenix flashlight is awesome? Stick around until the end of our article!

Table of Contents

  • Fenix TK75 specifications
    • Body, materials, weight, colors
    • System, LED, lens, reflector
    • Performance, flux, intensity, throw
    • Software, user interface, modes
    • Features, battery, protections
    • Accessories, package contents
  • Conclusion, pros and cons
  • Photos

The content of this article reflects our own experiences and viewpoints. We aim to offer insights on a topic, and we hope others find it helpful and motivating. Additionally, we make every effort to provide accurate and comprehensive coverage. If you found an error or something lacking in the specifications for the Fenix TK75, then tell us.

Fenix TK75 / TK75

The TK75 flashlight is a key tool in many situations. It's used for everyday tasks, outdoor adventures, emergencies, and professional work. This light has 6 modes of lighting. The memory function is a nice feature, the light will remember the last used mode. It has a strobe function, which is one of the most effective self defense tools available. The USB charger port lets you charge this flashlight. You can use it with alternative power sources.

Fenix TK75 specifications

BrandFenix
NameTK75
TypeTK75
Rating
Rated 4 / 5 based on 1441 user votes.
Launch2017
Formflashlight

This flashlight can fit in pockets, backpacks, or glove compartments. You can carry it wherever you go.

Body, materials, weight, colors

Weight630 g
Length188 mm
Body diameter53 mm
Head diameter86 mm
Materialaluminium alloy with HAIII hard-anodized finish
Colorsblack

This 630 g flashlight is quite heavy for a handheld flashlight. Consider the length of the flashlight. It should fit comfortably in your chosen way to carry it. The aluminium body of the TK75 has a reputation for being durable and strong. It offers excellent resistance to impacts, scratches, and corrosion. Flashlight makers widely use HAIII coating. It is durable, resists corrosion, and improves grip. It also looks good. The TK75 flashlight is available in black.

System, LED, lens, reflector

Emitter4 x Cree XHP35 HI LEDs
Color temperature6500 K
ReflectorSMO
Lenstoughtened AR coated glass
Switchdual electronic side

Cree is a US-based LED manufacturer. It is well-regarded for its high-quality products and innovation in lighting. Color temperature is a characteristic of light. It is used to quantify the color appearance of light sources. The TK75 has a smooth reflector. The right reflector focuses light well. It gives you a better hotspot, and it throws better. The coating is thin and applied to the lens surface. It cuts reflections and boosts light transmission. The flashlight has electronic switches. They have many benefits and extra features compared to mechanical switches.

Performance, flux, intensity, throw

Flux5100 lm
Intensity180600 cd
Throw850 m
CD/LM factor35.41

The TK75 flashlight has 5100 lm. It will provide an exceptionally bright and powerful beam of light. 180600 cd represents an extremely high level of brightness for a flashlight. The throw is the distance in meters at which the flashlight produces a light intensity of 0.25 lux. The cd/lm factor is the candela-to-lumen ratio. It shows how concentrated a light source's output is.

Software, user interface, modes

Modes6 modes
Mode memoryyes
Ramping modeno
Strobeyes
SOS/Beaconyes

A flashlight's modes are different output settings or brightness levels. They can be chosen to meet different needs and preferences. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. It stays in that mode when you turn it on again. Strobe mode on TK75 flashlight produces a rapid, repeated flashing of light. The SOS signal is an international distress call. It indicates an urgent need for help.

Features, battery, protections

Battery4 x 18650 Li-Ion batteries
Battery indicatoryes
Charger portmicroUSB
LVPyes
Thermal regulationyes
ProtectionIP68
AUX LEDsno
Magneticno

The Fenix TK75 flashlight is powered by 4 x 18650 Li-Ion batteries. A battery indicator is a feature. It shows the remaining power level of the flashlight's battery. The TK75 flashlight can charge from a USB power source. This source can be a wall adapter, computer, power bank, or car charger. This flashlight has built-in low voltage protection (LVP). It prevents damage from over-discharge, so it doesn't need protected cells.

The built-in thermal control adjusts brightness output to prevent overheating. The "6" in the IP68 rating shows the level of protection. It's against solid objects, like dust and foreign particles. The "8" in the IP68 rating means the highest level of protection. It is against water ingress.

Accessories, package contents

Package contents2 x spare o-rings
lanyard
microUSB cable
shoulder strap

Attaching a lanyard to your TK75 flashlight provides an additional layer of security. It reduces the risk of accidental drops or loss. Replacing worn or damaged O-rings helps a lot. It keeps up the flashlight's durability and performance.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the TK75 flashlight 30 seconds after switching on the light. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

Conclusion, pros and cons

This Fenix flashlight, like any other, has its strengths and weaknesses. Let's take a close look at both sides to understand this flashlight better. I share my thoughts on its standout features and the parts that might need improvement. Keep in mind, these are just my opinions, and you might have a different perspective.

Pros

  • aluminium body
  • AR coated lens
  • side switch
  • strong flux
  • super bright
  • multiple modes
  • mode memory
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • USB charger
  • low-voltage protection
  • thermal regulation
  • dust protected
  • waterproof

Cons

  • cool light
  • no auxiliary LEDs
  • non-magnetic

Photos

Fenix TK75 / TK75 photo 1.
Fenix TK75 / TK75

If there’s information about the Fenix TK75 that you would like to see on this site, then write to us.

David Hagon
I love bushcraft and flashlights. I find joy in mastering wilderness survival skills and exploring the realm of illuminating gadgets. Bushcraft isn't just fun, it's a learning journey. I form a strong bond with nature. It's more than a hobby, it enriches me in practical and spiritual ways.
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