DX  » Community » Reviews » Red Laser Module - Focusable Dot (3.5V~4.5V 11.89mm 5mW)
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  • Overall Rating: 4
  • Price: 3
  • Quality: 3
  • Ease Of Use: 4
  • Usefulness: 4
Nice modules for DIY projects too – Red Laser Module - Focusable Dot (3.5V~4.5V 16mm 5mW) Reviews

posted by BenNL on 09/09/2007 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

Pros:
Modules work perfectly well on standard 5V supplies. The manual focus lens is of decent quality (though plastic), and easily adjusted. Output looks like a good 5 mW to me, though 650 is not as visible as 635 nm available in some cheap lasers.
Cons:
There is some white silicone compound inside that makes removing the 5 mW diode for experiments a bit tedious - but still well doable.
Other:
It is not hard to fit these modules with another laser diode (such as from a dvd burner). The adjustable optics and metal case makes them a good choice for laser enthousiasts.
Bottomline:
Recommended for use as-is as well as experiments.

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