Sofirn C8F LH351D flashlight review

3 x Samsung LH351D LEDs
3000 lm output
20000 cd intensity
1 x 21700 Li-Ion battery

The Sofirn C8F LH351D flashlight was released in 2021. It uses 3 x Samsung LH351D LEDs, SMO reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 3000 lm output, 20000 cd intensity, and a beam distance of 283 m.

Wondering if this Sofirn flashlight is a must-have? Keep reading to find out!

Table of Contents

  • Sofirn C8F LH351D 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 Sofirn C8F LH351D, then tell us.

Sofirn C8F LH351D / C8FLH351D

The C8F LH351D flashlight offers a versatile lighting solution. The C8F LH351D flashlight recalls the last used mode. So, you don't need to access higher brightness levels unless you need to. You can use the strobe function as a self-defense tool. It provides a non-lethal way to deter or disorient attackers.

Sofirn C8F LH351D specifications

NameC8F LH351D
Rated 4 / 5 based on 1194 user votes.

Flashlights let you navigate in the dark. They help you find supplies and signal for help. They also provide comfort and security in tough times.

Sofirn C8F LH351D / 3

Body, materials, weight, colors

Weight200 g
Length149 mm
Head diameter44.6 mm
Materialaluminium alloy with HAIII hard-anodized finish

The C8F LH351D is generally comfortable to hold for a long time. It is also easy to carry in pockets or bags. A balanced flashlight has even weight. It can be more comfortable to hold for longer and reduce hand fatigue. Aluminium is a lightweight material, which is beneficial for C8F LH351D flashlight. The HAIII coating resists corrosion well. It shields the aluminum from moisture, humidity, and other corrosive elements. This flashlight comes in a sleek black color option.

Sofirn C8F LH351D / 1

System, LED, lens, reflector

Emitter3 x Samsung LH351D LEDs
Color temperature4000 K
Lenstoughtened AR coated glass
Switchelectronic side, mechanical rear

Samsung has a strong focus on research and development. They continuously strive to innovate and improve their LED technologies. Warm, white light is generally more comfortable. It's also less harsh on the eyes than cool, white light. If you need long-range light, get a flashlight with a smooth reflector. It will have more throw distance. The AR coating of the lens helps to reduce these reflections. It does this by changing the lens surface's refractive index.

The C8F LH351D uses multiple switches. The switches' placement and design determine this. They allow for one-handed operation. The electronic switches may have a higher chance of standby drain. Mechanical switches often offer tactile feedback. Users can feel a distinct click or resistance when they press the switch. The C8F LH351D flashlight has a rear switch. Its operation is usually simple and easy to understand.

Sofirn C8F LH351D / 2

Performance, flux, intensity, throw

Flux3000 lm
Intensity20000 cd
Throw283 m
CD/LM factor6.67

The 3000 lm output of C8F LH351D provides great flexibility. You can adjust the brightness to fit different needs. The C8F LH351D flashlight has 20000 cd. It can light objects at greater distances. The throw distance is the farthest distance the flashlight can light an object. Candela per lumen (cd/lm) measures a flashlight's beam intensity. It compares this to its total luminous flux or output. If accurate color is a priority for you, choose a flashlight with a CRI of 90 or above. The C8F LH351D has a CRI of 90, it is useful in everyday use. Accurate color perception improves the visual experience..

Software, user interface, modes

Mode memoryyes
Ramping modeyes

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. The C8F LH351D flashlight has ramping mode. Its user interface lets you control the brightness by pressing and holding a button. The C8F LH351D flashlight has a strobe function. It produces a rapid, repetitive flashing of light. The SOS signal is commonly used in outdoor adventures or survival scenarios.

Features, battery, protections

Battery1 x 21700 Li-Ion battery
Battery indicatoryes
Charger portno
Thermal regulationyes
Impact resistance1 m

The C8F LH351D flashlight's power source is 1 x 21700 Li-Ion battery. It provides reliable, long-lasting energy for top performance. A battery indicator lets users see the battery status. It helps them decide when to recharge or replace the battery. The C8F LH351D doesn't have charger port. LVP (Low Voltage Protection) is designed to protect the battery. It stops over-discharging, which can reduce battery life or cause permanent damage.

The thermal protection feature helps prevent overheating. Overheating can harm the flashlight's performance, battery, and safety. The flashlight has an IPx8 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period. The manufacturer specifies this. This flashlight has an impressive impact resistance rating of 1 m. It is built to endure accidental drops or impacts.

Accessories, package contents

Package contents2 x spare o-rings

When using spare O-rings, follow the maker's instructions. Use their guidelines for proper installation.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the C8F LH351D 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 Sofirn 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.


  • lightweight
  • aluminium body
  • warm light
  • AR coated lens
  • side switch
  • tactical switch
  • superior CRI
  • mode memory
  • ramping mode
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • low-voltage protection
  • thermal regulation
  • waterproof


  • no built-in charger
  • no auxiliary LEDs
  • non-magnetic


Sofirn C8F LH351D / C8FLH351D photo 1.
Sofirn C8F LH351D / C8FLH351D photo 2.
Sofirn C8F LH351D / C8FLH351D photo 3.
Sofirn C8F LH351D / C8FLH351D photo 4.
Sofirn C8F LH351D / C8FLH351D

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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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