Muyan 21 LED light

Provided for review
by the kind folks at:

 
 
3 Stars
Good
         

Light Type: LED
Light Class: General Use / Etc.

The Muyan LED lights are nice little utility lights. Compact and convenient in size and have great output.

The body of the Muyan light is made of aluminum with what appears to be either a powder coat finish or very strange anodize. Machining work is good, but a little rough here and there. The head contains a silvered plate with holes that the LEDs rest in. Around the middle of the body is a knurled band for grip. The tailcap has large chunky raised rectangles for grip. The tailcap serves as a "tactical style" switch with a rubber textured button for momentary operation of the light.

The bezel consists of an array of 5mm LEDs soldered to a printed circuit board. The LEDs rest inside the metal plate on the front of the light. Since they sit in recessed holes, most of the light is directed forward.

Output is in the form of a smooth central spot with a slight spillbeam. The color temperature of the light is fairly high with a slight bluish/purplish tint.

   
Beam at one meter at target center and at target edge to show spillbeam.

Runtime Plot: Runtime to 50% starting output was 40 minutes and it appears to have a normal alkaline discharge curve. It seems that there is no regulating circuitry in the head or tailcap.


Runtime completed with Rayovac batteries. More information on runtime plots is available HERE.

The switch is a tactical style switch. Twist for constant on, press on the rubber textured tailcap button for momentary use.

There are O-rings at the connection points between the body and both the tailcap and head. However I do not know if the front of the bezel is sealed against water entry. I'd give them a "splashable" rating.

Ergonomics: The body is so short and stubby it is a bit awkward to hold. Operating the switch in twist-on mode with one hand is also a bit awkward due to its diminutive length.


Size compared to a common 2AA aluminum light

For batteries, the light takes 3 AAA alkaline cells in a carrier. Simply insert 3 cells with the negative side of the battery against the coil springs in the carriers. The result will be 2 batteries pointing in one direction, and one pointing in the other in the carrier. Remove the tailcap to change the batteries, drop out the carrier, put new cells in the carrier and replace. Batteries were not included.

What I Liked: Bright, Good battery life, Compact

What I Didn't Like: Short size can be a little awkward in the hand.

Other Things I Noticed: Personally I don't care for lights with battery carriers all that much, but this isn't a showstopper or anything.

Conclusions: Simple, straightforward, tough little design. Great for general use around the house, car, camp, etc


Quick Facts Table:

Review Date ............................. April 2005
Case Material ........................... Powder coat finish or anodized aluminum
Case Features .......................... Textured/knurled for grip in areas
Case Access Type .................... Unscrew tailcap
Switch Type ............................. Tactical style twist for constant, press for momentary
Reflector Type .........................

Silvered metal plate

Lens Type ................................ None
Bulb Type ................................. 21 x 5mm LEDs
Beam Type ............................... Medium spot
Beam Characteristics ...............

Smooth spot, faint spillbeam with brighter outer ring

Throw (Lux) at 1m (click for description) ~ 350 at beam center. (18.71 Comparison Chart equivalent)
Overall Output (click for description) ~ 3000 (30.00 Comparison Chart equivalent)
Battery / Power Type................ 3 x AAA alkaline inserted into a special carrier
Battery Life (advertised) ........... none
Battery Life (test results) ........... ~ 40 min to 50%. ~ 1:35 to 25%
Environmental Protection ......... O-ring seals at head and tailcap
Weight (oz.) with batteries ....... 4.6 oz
Special Items of Note ...............  
Warranty .................................. Unknown
Retail Cost ................................ 24.99 US$ at time of review at Muyan.com
 

 

 
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