Re: Microscopes for SMD soldering etc

#36425

+1 on the procedural language. Kind of the same as Arduino coding. I watched a lot of OpenSCAD videos. Got them all bookmarked. Very powerful for little coding. I bought a used Panavise from ebay recently and it came with the large pcb board holder. Bought a smaller one from Amazon that is steel/aluminum with plastic jaws.
Dave

Re: This PCB Microscope looks good, I think.

stefan_trethan

#36424

Now I wonder if you can put it together with the focus slide reversed, like that:

<>

Well, a bit nicer than that obviously, but you get the idea.

This way nothing would stick down needlessly below the objective.?

I mean 8" WD is great anyway, but why obstruct the working space below when above there is just air?

With the Mantis I find myself bumping into the x8 lens quite a bit while using the (shorter) x4 magnification.

I've even put an extender on the x4 to increase?the working distance, which makes them more similar in length, but still it's annoying sometimes to have that other lens in the way when it is not even in use.

Dunno if there is any bias in the slide to make it self lock against the weight of the head, but then I think it's still odd they designed it like that.

ST

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On Fri, Nov 1, 2019 at 10:00 PM stefan_trethan <stefan_trethan@...> wrote:

Now that is _nice_.

If they can offer all that for $500 I think I should reconsider my plan to look out for a used Zeiss or Leica with zoom.

ST

On Fri, Nov 1, 2019 at 7:15 PM Dave <theschemer@...> wrote:
I ended up calling the support people at AmScope and told them what I needed /wanted and ended up buying this one:

I also ordered the LED light ring.
I think I will be happy with the purchase.
Thanks

Re: This PCB Microscope looks good, I think.

#36423

You'll be very happy with this scope.?

73! Mark KA6WKE

Website:?

Show quoted text

On Fri, Nov 1, 2019, 11:15 Dave <theschemer@...> wrote:

I ended up calling the support people at AmScope and told them what I needed /wanted and ended up buying this one:

I also ordered the LED light ring.
I think I will be happy with the purchase.
Thanks

Re: This PCB Microscope looks good, I think.

stefan_trethan

#36422

Now that is _nice_.

If they can offer all that for $500 I think I should reconsider my plan to look out for a used Zeiss or Leica with zoom.

ST

Show quoted text

On Fri, Nov 1, 2019 at 7:15 PM Dave <theschemer@...> wrote:

I ended up calling the support people at AmScope and told them what I needed /wanted and ended up buying this one:

I also ordered the LED light ring.
I think I will be happy with the purchase.
Thanks
_._,_._,_

Re: Microscopes for SMD soldering etc

#36421

开云体育

It's way way way more like C than not.

It's not a procedural language, what you assign stays for the whole duration unless it's in a loop.? Makes an important difference in how you describe objects.

Try designing some board holder supports (you *do* want the main board holder made from metal), a panavise board holder is a good idea.

Harvey

On 11/1/2019 3:01 PM, Dave wrote:

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Well I used to program in VB6 so a lot of that pertains here to in a way. Dim the variables etc. And REMarks for clarity. Thanks for the skeleton, it's just past Halloween. :)
Dave

Re: Duplicate messages?

#36420

I see a few messages coming into my email now with timestamps of 10:00 AM so maybe they will all arrive by tomorrow. :)

Re: Microscopes for SMD soldering etc

#36419

Looks like a nice one. My eyes are even older than yours so I feel your pain...I just had to finally throw in the towel as I am interested enough in this hobby to want to do it right. And even though all my stuff is easy to the experts, I have to start somewhere...

Re: Microscopes for SMD soldering etc

#36418

I have the 1.75x or 14" version of that and I like it, but I needed something more. :)

Re: This PCB Microscope looks good, I think.

[email protected]

#36417

开云体育

?I find even with a high power magnifier I sometimes miss shorts.

So when I design the PCB I put a row of vias alongside the IC so I can buzz the pins out for shorts.

?

--

Re: Duplicate messages?

#36416

Yes.

Re: Microscopes for SMD soldering etc

#36415

Not a microscope but I use these and they provide nice magnification for hand soldering and debridge work.?

www.amazon.com/Donegan-OptiVisor-Headband-Magnifier-Magnification/dp/B0015IN8J6?psc=1&SubscriptionId=AKIAILSHYYTFIVPWUY6Q&tag=duckduckgo-d-20&linkCode=xm2&camp=2025&creative=165953&creat

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On Fri, Nov 1, 2019 at 10:00 AM, Dave
<theschemer@...> wrote:

Hi Rob,

? My PD is 62 as I measured once to get some reading glasses online, so
I could use the lenses in an Occulus Rift. I checked out these scopes
and they get good reviews. It gives me something to think about. I just
know I read that a 0.5 objective lens really makes a big difference on
how much (FOV) you can see. And some manufacturers may or may not offer
that lens as an option. If I replied twice it is because I didn't see a
returned message and I have been replying to all that commented.

Thanks,

Dave

On 10/31/2019 9:47 PM, Rob via Groups.Io wrote:
> Do an EBAY search for Binocular Stereo Microscope
>
> and you will be surprised by the number of solutions you CAN afford.
>
> I have bought them in the past for children and have found that many
> of the dirt cheap binocular microscopes... $35 .....
>
> have no problem at all being the right magnification and distance for
> SMD free hand soldering.
>
> The ONLY? "gotcha" I found was that some binocular microscopes have a
> child sized PUPILLARY DISTANCE (PD) .....? the distance between
>
> your two pupals and no way to adjust that distance.
>
> So shop carefully to learn that distance.
>
>
> I've been using this one for many years...... they sell now for $87
>
>
>
>
> 20X Binocular Stereo Microscope
> SKU: SE204-A
>
>
> and I suspect this is just as good for $53
>
>
>
> AMSCOPE 20X Portable Sharp Binocular Stereo Microscope LED PCB Repair
> Dissecting
>
>
> There are huge price differences for these microscopes and I don't
> know about you guys but
>
> so far I have not been disappointed by any of the cheap binocular
> microscopes.
>
>

Re: Microscopes for SMD soldering etc

#36414

开云体育

My eyes are over 50 yrs old and I could not manage without my Bausch Lomb StereoZoom 7. Its mounded on a boom with really heavy base. I replaced the original florescent light with a homemade LED ring light. I got it second hand on flea bay for a few hundred quid but it was well worth it. I can see to solder most anything. It’s also great for inspection, e.g. looking at the gap below QFN’s or even touching up the soldering on the pads.

?

Don’t get something with too high a magnification. Mine is fitted X10 WF (Wide Field) Eye pieces so twiddling the knob on top takes it from x7 to x30. I find the x7 setting fine for the vast majority of my SMT soldering work.

Re: Microscopes for SMD soldering etc

#36413
Edited

Well I used to program in VB6 so a lot of that pertains here too in a way. Dim the variables etc. And REMarks for clarity. Thanks for the skeleton, it's just past Halloween. :)
Dave

Re: This PCB Microscope looks good, I think.

#36412

I have a Panavise and a few other board holders. But I just bought some Blu Tack as I watched a video where a guy uses it to hold his pcb's from moving. Haven't tried it yet but it looks promising. I could make a pcb board holder with the plastic printer I guess. Sometimes I forget all the stuff you can make with the 3d printer.
Dave

Re: Microscopes for SMD soldering etc

#36411

开云体育

A very useful OpenSCAD skeleton is

module <name> ()

{

??? difference()

?? {

??? ??? union ()

??? ??? {

??? ??? }

??? ??? union ()

?? ??? {

??? ?? }

??? }

}

Then figure out a way to conditionally show a module....

all parameters at beginning of program, etc.

You'll get the idea.?? Very good for cases, and also can be used with EAGLE (and additional programming) to make 3D board models.

Harvey

On 11/1/2019 2:28 PM, Dave wrote:

Show quoted text

Harvey,
? I bought this one:

Baby steps...:)

Also, I looked at OpenSCAD again and it looks quite useful. At first it looked like a pain but I see the light now.

I bounce from one project to the next while continuing to work on them all by ordering stuff or studying. In the end I may actually get something done. :)
Thanks,
Dave

Re: This PCB Microscope looks good, I think.

#36410

开云体育

That looks good.? You'll want a PC board holder of some sort.? I used some 20mm square frame material, and fabricated (using an existing holder I had), a flat board holder that adjusts for boards.? You could use part of the panavise setup, but you want to make sure that the board can't tilt, which will mandate a firm support.

Harvey

On 11/1/2019 2:16 PM, Dave wrote:

Show quoted text

I ordered this one and a LED ring. They also make a 0.25 lens if I ever need it.

Thanks,
Dave

Re: Microscopes for SMD soldering etc .....5 DIOPTER reading glasses

#36409

I have various reading glasses but none over 2.25. I also have a headband magnifier which is nice but non-adjustable. I got the one with a 14" distance and that is somewhat limiting. Good info.
Dave

Re: Microscopes for SMD soldering etc

#36408

Good info. Got that handled with the one I ordered. I spent less than I budgeted for but made sure I won't have to buy a second or third one because I didn't think of all the options.
Thanks

Re: Microscopes for SMD soldering etc

#36407

Harvey,
? I bought this one:

Baby steps...:)

Also, I looked at OpenSCAD again and it looks quite useful. At first it looked like a pain but I see the light now.

I bounce from one project to the next while continuing to work on them all by ordering stuff or studying. In the end I may actually get something done. :)
Thanks,
Dave

Re: Microscopes for SMD soldering etc

#36406

I bought this one:

:)