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Foursevens Quark QK16L MKIII (2019) review

2019
Nichia 319A LED
700 lm output
7225 cd intensity
1 x 16650 Li-Ion battery

The Foursevens Quark QK16L MKIII (QK16LMKIII) released in 2019. It uses Nichia 319A LED, OP reflector and 1 x 16650 Li-Ion battery. The powerful emitter in this flashlight provides up to 700 lm output, 7225 cd intensity, and a beam distance of 170 m.

This light has 4 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.

Table of contents:

Foursevens Quark QK16L MKIII (QK16LMKIII) specifications

Brand
Foursevens
Name
Quark QK16L MKIII
Type
QK16LMKIII
Rating
Rated 4/5 based on 135 user votes.
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Launch
2019
Form
flashlight

Body

The aluminium body of flashlight treated with a Type III hard-anodized, anti-abrasive finish.

Weight
90.7 g
Length
114.3 mm
Head diameter
22.4 mm
Material
aluminium alloy with HAIII hard-anodized finish
Colors
black

System

The emitter of Quark QK16L MKIII manufactured by Nichia, a Japanese LED manufacturer. The Quark QK16L MKIII has an orange peel (OP) textured reflector. Orange peel reflectors have smoother beams. It has an AR coated lens.

Emitter
Nichia 319A LED
Color temperature
5000 K
Reflector
OP
Lens
AR coated glass
Switch
mechanical rear

Performance

The throw is the calculated distance in meters at which the flashlight produces a light intensity of 0.25 lux. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam. Well-focused spot beams can be over 100 cd/lm, tactical flashlights are typically between 20-100 cd/lm, and work lights are less than 10 cd/lm.

Flux
700 lm
Intensity
7225 cd
Throw
170 m
CD/LM factor
10.32
CRI
80

Software

The Quark QK16L MKIII has mode memory. Mode memory means that the light will remember the mode you were using when the light was last turned off, and when you turn it on again. The Quark QK16L MKIII is tactical strobe ready. The strobe light is disorienting to the person it is aimed at which makes it difficult for them to concentrate. It has the SOS beacon function for an emergency situation. The SOS flashes Morse code so you can signal for help when needed.

Modes
4 modes
Mode memory
yes
Ramping mode
no
Strobe
yes
SOS/Beacon
yes

Features

The Quark QK16L MKIII cannot charge batteries directly. You may need an external charger to keep your battery going. This flashlight has a built-in low voltage protection (LVP) to prevent damage to the cell from over-discharge, so protected cells are not necessary. This light does not have temperature control feature.

Battery
1 x 16650 Li-Ion battery
Battery indicator
no
Charger port
no
LVP
yes
Thermal regulation
no
Protection
IPx8
AUX LEDs
no
Magnetic
no

Accessories

It comes with a battery. The battery must be fully charged before you first use your Quark QK16L MKIII.

Package contents
16650 battery
spare rubber cover

The performance of the Foursevens Quark QK16L MKIII flashlight is measured according to the ANSI / NEMA FL1 Standard 30 seconds after switching the light on. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Foursevens Quark QK16L MKIII, then don’t hesite and signal the problem to us.

Foursevens Quark QK16L MKIII (QK16LMKIII) pictures

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