Fenix SD20 diving light review
The Fenix SD20 diving light was released in 2017. It uses 1 x Cree XM-L2 LED, 1x Cree XQE RED LED, SMO reflector and 2 x 18650 Li-Ion batteries. The powerful emitter in this diving light provides up to 1000 lm output, 7400 cd intensity, and a beam distance of 172 m.
Curious to know if this Fenix diving light is top-notch? Stay tuned for the answer!
Table of Contents
- Fenix SD20 specifications
- Body, materials, weight, colors
- System, LED, lens, reflector
- Performance, flux, intensity, throw
- Software, user interface, modes
- Features, battery, protections
- Accessories, package contents
- Links
- Conclusion, pros and cons
- Photos
- Comparisons
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.
This light has 2 modes of lighting. Without mode memory, this flashlight always starts in the default mode.
Fenix SD20 specifications
| Brand | Fenix |
|---|---|
| Name | SD20 |
| Type | SD20 |
| Rating | |
| Launch | 2017 |
| Form | diving light |
Body, materials, weight, colors
| Weight | 245 g |
|---|---|
| Length | 208 mm |
| Body diameter | 26 mm |
| Head diameter | 40 mm |
| Material | aluminium alloy with HAIII hard-anodized finish |
| Colors | black |
The heavier flashlight may be tiring to hold for a long time. The best flashlight size depends on personal preference. The aluminium body of the SD20 has excellent thermal conductivity. Flashlight makers widely use HAIII coating. This flashlight features a captivating black color.
System, LED, lens, reflector
| Emitter | 1 x Cree XM-L2 LED, 1x Cree XQE RED LED |
|---|---|
| Color temperature | 6500 K |
| Reflector | SMO |
| Lens | toughtened AR coated glass |
| Switch | rotary front |
Cree is widely regarded as a reputable LED manufacturer. Warm, white light is generally more comfortable. If you need long-range light, get a flashlight with a smooth reflector. The AR coating on the lens maximizes light transmission.
Performance, flux, intensity, throw
| Flux | 1000 lm |
|---|---|
| Intensity | 7400 cd |
| Throw | 172 m |
| CD/LM factor | 7.4 |
The 1000 lm output of SD20 provides great flexibility. The SD20 flashlight has 7400 cd, it provides a much brighter and more intense beam. The throw distance is the farthest distance the flashlight can light an object. Candela per lumen (cd/lm) measures a flashlight's beam intensity.
Software, user interface, modes
| Modes | 2 modes |
|---|---|
| Mode memory | no |
| Ramping mode | no |
| Strobe | no |
| SOS/Beacon | no |
A flashlight's modes are different output settings or brightness levels.
Features, battery, protections
| Battery | 2 x 18650 Li-Ion batteries |
|---|---|
| Battery indicator | yes |
| Charger port | no |
| LVP | yes |
| Thermal regulation | yes |
| Protection | depth 100 meters |
| AUX LEDs | no |
| Magnetic | no |
| Specials | red light white light |
The SD20 flashlight's power source is 2 x 18650 Li-Ion batteries. The battery indicator prevents surprise power failures. The SD20 doesn't have charger port. The Low Voltage Protection helps save the battery's capacity. The thermal protection feature helps prevent overheating.
Accessories, package contents
| Package contents | conducting plate lanyard spare o-ring |
|---|
The lanyard of the SD20 protects the flashlight from accidental damage. When using spare O-rings, follow the maker's instructions.
Links
| Official site | https://www.fenixlighting.com/ |
|---|
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
- lightweight
- aluminium body
- AR coated lens
- rotary switch
- adequate performance
- multiple modes
- battery indicator
- low-voltage protection
- thermal regulation
Cons
- cool light
- no mode memory
- no built-in charger
- no auxiliary LEDs
- non-magnetic
Photos
Comparisons
According to our statistics, the Fenix SD20 flashlight was most often compared on our site with the following flashlights.
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Updated: April 23, 2024
