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Re: [softrock40] What magnification Optivisor do folks use

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  • Larry Roohr
    I bought the harbor Frieght model, they were on sale for $2.50 a set last I looked and are completely functional. I did have to wrap a rubber band around the
    Message 1 of 5 , Mar 28, 2006
      I bought the harbor Frieght model, they were on sale for $2.50 a set
      last I looked and are completely functional. I did have to wrap a rubber
      band around the hinge to add some friction to the assembly, but you cant
      beat the price.

      Bill Dumke wrote:

      >Brian,
      >
      >I have the one from MicroMark. It was made in Taiwan. And it is
      >expensive. That one from Harbor Freight Sales is a Chinese counterfeit
      >of the Taiwanese one.
      >
      >I use all of the magnification levels, but I only use the highest for
      >very close inspection. One problem with using the higher magnifications
      >is that your field of view is very limited, and also the lamps can not
      >illuminate the work piece well that close, and you can't see your
      >soldering pencil that well either. I generally just use the lowest
      >magnification for soldering unless an IC has a large number of leads
      >per unit length. Then I go higher.
      >
      >Bill WB5TCO
      >
      >g0ukb wrote:
      >
      >
      >
      >>Electronics for us baby-boomers - ever shrinking components with ever
      >>diminishing eyesight :-)
      >>
      >>I need to replace my el-cheapo plastic head magnifier with a decent
      >>Optivisor one. The Optivisor range has a choice of lenses:
      >>
      >>DA-2 1.5x magnification @ 20"
      >>DA-3 1.75x @ 14"
      >>DA-4 2x @ 10"
      >>DA-5 2.5x @ 8"
      >>DA-6 2.75x @ 6"
      >>DA-7 3x @ 4"
      >>
      >>I'm guessing the most useful for SM soldering would either be the DA-3
      >>or even the DA-4
      >>
      >>Anyone like to tell me what lens/magnification they use?
      >>
      >>Thanks
      >>
      >>Brian G0UKB
      >>
      >>
      >>
      >>
      >>
      >>
      >>
      >>
      >>
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