[sdiy] stereo optical microscope for assembly and repair

sleepy_dog at gmx.de sleepy_dog at gmx.de
Tue Aug 20 20:12:06 CEST 2019

Roman Sowa wrote:
> Without fumes extractor the microscope would become unusable within an
> hour. It's always on while soldering, but smetimes not all of the
> smoke goes to the proper hole.

1 hour? Wow. Either you solder a lot more contacts per minute than I can
:D or my lens is not as close to the PCB. Then again, the amount of
soldering under the scope for me is not that much, it's more inspection
for solder bridges. Only the occasional extra tricky thing actually
soldered under the scope. So far I still can see most things I use well
tnough to solder it, but I don't trust to spot small bridges or tiny
gaps where solder should be.

> Roman
> W dniu 2019-08-19 o 20:47, sleepy_dog at gmx.de pisze:
>> Roman Sowa wrote:
>>> For years I've been using regular Bresser scientific binocular
>>> microscope bought for about $400 or so if I remember. It has 7x to 40x
>>> zoom which was indeed helpful and used full range a few times.
>>> Soldering fumes poluted optics over time and cleaning is a lot of pain.
>> Would one of those help?
>> https://vkrepair.com/best-solder-fume-extractor/
>> I have the DLX426, which is, granted, not very stong, you pretty much
>> need to have it where the soldering happens, maybe 10cm away. But what
>> it does is nice for the money.
>> Or if it's not about capturing the fumes, just keeping them off the
>> lense - put some larger diameter CPU fan in some wood frame/stand to one
>> side of the scope to just blow the fumes away?
>> - Steve
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