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has anybody used these

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  • Member since
    July, 2013
has anybody used these
Posted by steve5 on Monday, May 07, 2018 4:26 AM

has any one used these , are they any good ?

http://goo.gl/2KSGnf

  • Member since
    November, 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Monday, May 07, 2018 8:51 AM

Even if they are good optically, 25X would have problems- that is an extreme closeup.  You would have very poor depth of field and most fingers cannot work at that magnification.  Now, I didn't look at what other magnifications are included, and it might be useful for working at a much lower magnification and just use the 25X setting to inspect the work, then resort back to the lower power for further work.  I'd say most folks cannot actually work on stuff with much more than 3 to 5 power without micro-manipulators.  But allowing a close inspection does have its uses.

Don Stauffer in Minnesota

  • Member since
    September, 2012
Posted by GMorrison on Monday, May 07, 2018 10:48 AM

Interesting tool. One thing that would be critical to know would be the focal length. It's the one thing I sort of dislike about my Optivisor. The f is about 10".

 

  • Member since
    May, 2013
  • From: Indiana, USA
Posted by Greg on Monday, May 07, 2018 11:16 AM

Just to add a tidbit of info to Don's good advice, I have the strongest lens plate for my Optivisor and it is 3 1/2x magnification.

That said, and I have it on almost always at the bench, I wouldn't want more magnification.

-Greg

  • Member since
    September, 2012
Posted by GMorrison on Monday, May 07, 2018 11:55 AM

My optivisor has a #4 plate which is 2X. That's enough for me. The biggest benefit is that I can use it over my corrective glasses, which I wear full time.

  • Member since
    September, 2013
  • From: San Antonio, Texas
Posted by Marcus McBean on Monday, May 07, 2018 12:01 PM

GMorrison

My optivisor has a #4 plate which is 2X. That's enough for me. The biggest benefit is that I can use it over my corrective glasses, which I wear full time. 

 

I also use the #4 plate on my optivisor.  I find it meets my needs and works find with my corrective glasses.  I have tried the higher magnifications, but my hands and eyes could not coordinate properly and I was always knocking things off the model.

  • Member since
    May, 2013
  • From: From the Mit, but live in Mason, O high ho
Posted by hogfanfs on Monday, May 07, 2018 12:13 PM

I have not used these, but they look pretty good. Not sure if I would use the 25X magnification.

I have several pair of glasses +2.0, +3.0, +5.0 and +6.0. I haven't needed to use the 6.0's yet. 

 Bruce

 

 

 

  • Member since
    March, 2008
Posted by Caveman on Monday, May 07, 2018 4:46 PM

Even the 10X magnifier that they show would be a bit much for me.  I sometimes find the 4X optivisor that I use is too much at times.  I agree that the focal point is also a consideration.  I would not want to work an inch or two from my project.

  • Member since
    May, 2013
  • From: From the Mit, but live in Mason, O high ho
Posted by hogfanfs on Monday, May 07, 2018 7:45 PM

Steve5,

I just found these on Amazon for $10.89 with Prime.

Check it out here

Check the reviews, most are saying what was said here already. The magnification is so high that you have to hold the object to close to the glasses that you are not able to use both lens at once. However, a couple people say it's somewhat effective if used like a monocle.

 

 Bruce

 

 

 

  • Member since
    July, 2013
Posted by steve5 on Monday, May 07, 2018 9:41 PM

thank's guy's , what most people have said , is what I thought , but their's no harm in asking .

  • Member since
    November, 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Tuesday, May 08, 2018 8:36 AM

GMorrison

Interesting tool. One thing that would be critical to know would be the focal length. It's the one thing I sort of dislike about my Optivisor. The f is about 10".

 

 

I forget the magnification conversion, but I believe the result would roughly be somewhat less tha 2".

 

Don Stauffer in Minnesota

  • Member since
    January, 2015
Posted by PFJN on Thursday, May 10, 2018 9:46 PM

Hi,

After seeing the post about them being available on Amazon Prime for $11, I went ahead and decided to order a pair, since 11$ didn't seem too overly expensive.

They arrived today, and I was surprised that for just $11, the lenses seem to be of a reasonable quality.  Overall the box describes them as Watch Repair Glasses, and they seem like they would be quite useful for something like that, or of similar detail.  The came with 4 sets of interchangeable lenses (10x, 15x, 20x & 25x), and most of them are very much for extreme closeup work.  The also come with a strap that, if I am understanding correctly, you can swap out with the ear frame pieces, so that you won't have to worry about them sliiping off your head.

With the 10x lenses in them, as Don has noted, the focal length seems to be right about 2inches or so.  As such, I probably wouldn't use these glasses for most work, but maybe for some really detailed small photoetch assemblies or such, that look like that will probably be a nice addition to my model work station.

Pat

  • Member since
    March, 2013
Posted by patrick206 on Friday, May 11, 2018 4:00 PM

I have two Optivisors, a 4 and a 7. Years ago the 4 was all I needed, now at times I rely on the 7. I need help only for close work, this arrangement does the trick for me.

Using the 7 without reading glasses on, I find it gives me a focal range of 4 to 7+ inches. I tried glasses similar to those shown in this post, my dentist uses them and they have a central LED light. I found them limited in function as the dual lenses make for difficulty in doing the finer detail work, focusing usually ended up using them as a monocle.

Overall, I recommend the Optivisor as most useful.

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