PEN-STYLE LASER POINTER

Pen-Style Laser Pointer, retail $19.99 (www.radioshack.com...)
Manufactured by (Unknown)
Last updated 12-06-08




What this is is a pen-style laser pointer that can be stuffed in your pocket or live in your briefcase. It emits a red beam with approximately 3.5mW of output power.

It comes in matte black finish body, with a matte silver color tailcap and nose.

Because this is a laser, you should not shine it into your eyes, other people's eyes, pet's eyes, etc. Just use a little common sense here, ok?

The emitted wavelength appears to be 657nm, in the red portion of the spectrum.


SIZE



Point the front end at whatever you wish to point out, and hold the button at the top front of its barrel down for as long as you need the laser spot. Release the button to turn the laser pointer off.

Yes, it really is that easy.

This button has a tactile "click" sensation to it. This click may also be audible to the user in a quiet location.



To change the batteries in your laser, unscrew and remove the tailcap, throw it in the {vulgar term for feces}bowl, yank that silver handle on the front of the cistern down, and flush it away...O WAIT!!! YOU'LL NEED THAT!!! So just set it aside instead.

Tip the two used AAA cells out of the barrel and into your hand, and dispose of, recycle, or recharge them as you see fit.

Insert two new AAA cells into the barrel, flat-end (-) negative first. This is the opposite of how batteries are installed in most flashlights, so please pay attention to polarity here.

Screw the tailcap back on, and be done with it.
Aren't you glad you didn't flush away that tailcap now?

Current usage measures 25.5mA on my DMM's 400mA scale.



This is a laser pointer, not a flashlight. So I won't whack it against a steel rod, run over it, try to drown it in the toilet bowl, throw it, stomp on it, or subject it to other abuses that a flashlight might have to endure. So this section of the web page will be more bare than this section of the page on a page about a flashlight.

This product is properly labelled as to its wavelength and power output.



Beam photograph on the test target at 12".
Measures 3.51912mW on a laser power meter.



Beam photograph on a wall at ~10'.

Those rectangular graphic things in the upper left quadrant of this photograph are marquees from:
Nintendo ''R-Type''
Super Tiger...er...uh...Konami ''Super Cobra''
Midway ''Omega Race''
Sega ''Star Trek''
Williams ''Joust''
Venture Line ''Looping''
Universal ''Mr. Do!'s Castle''
Jaleco ''Exerion''
Gremlin/Sega ''Astro Blaster''
Atari ''Tempest''
Gottlieb ''Q*bert''

upright coin-op arcade video games from the 1980s.

And that graphic toward the right is:
A "BIG SCARY LASER" poster sent by www.megagreen.co.uk


Spectrographic plot
Spectrographic analysis of this laser.


Spectrographic plot
Same as above; spectrometer's response narrowed to a range of 640nm to 680nm.
This laser has a peak wavelength of 655.2nm and a spectral line halfwidth of ~3.0nm.
USB2000 spectrometer graciously donated by P.L.






TEST NOTES:
Test unit was purchased at a Radio Shack in Sacramento CA. USA late on the morning of 07-21-07.

Product was made in China.
A product's country of origin really does matter to some people, which is why I published it on this web page.


UPDATE: 00-00-00



PROS:



CONS:



    MANUFACTURER: Unknown
    PRODUCT TYPE: Handheld laser pointer
    LAMP TYPE: Directly-injected diode laser
    No. OF LAMPS: 1
    BEAM TYPE: Very narrow spot; it's a laser, remember?
    SWITCH TYPE: Momentary pushbutton on/off on laser's barrel
    CASE MATERIAL: Copper
    BEZEL: Metal; laser module recessed into hosel for it
    BATTERY: 2xAAA cells
    CURRENT CONSUMPTION: 25.5mA
    WATER RESISTANT: Very light splatter-resistance at maximum
    SUBMERSIBLE: No
    ACCESSORIES: Lidded metal storage case
    WARRANTY: 1 year

    PRODUCT RATING:

    Star Rating





Pen-Style Laser Pointer * www.radioshack.com...






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