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Which HDMI Microscope Camera and Zoom Lens for soldering
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EvgenyG:
I've done some extensive research back in the day and I think that HAYEAR is a pretty decent brand for the price. I've been to Electronex 2024 and could compare my camera to the multi thousand dollar cameras on display, it is obviously not as good, but you're only paying a fraction of a cost. I've been using this one for about 2 years, very happy with it and no have absolutely no issues. The lens included with that lot is pretty good. The link is to their official store, they have cheaper cameras like mine and more expensive that have Panasonic sensor.
CaptainBucko:
For what it is worth, I can't solder under a 2D microscope camera. I can inspect, and I can touch the tip of an iron onto a joint, say to do a minor fix.

But getting the hand/eye co-ordination of tweezers/solder/soldering iron, is too hard for me, and actually it gives me a really bad headache.

The 3D stereoscopic microscope at work I can use all day for soldering, no problems.

Others say they can make it work with practise, so maybe I am not trying hard enough....
shabaz:

--- Quote from: jpanhalt on August 27, 2024, 03:08:32 pm ---My visor brand is OptiVisor and it has a glass lens plus a loop on one side for added magnification.   It looks like this: https://www.amazon.com/OptiVisor-Optical-Glass-Binocular-Magnifier/dp/B0015IS6K2/ref=asc_df_B0015IS6IY/?tag=hyprod-20&linkCode=df0&hvadid=692875362841&hvpos=&hvnetw=g&hvrand=16440620769943199314&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9015557&hvtargid=pla-2281435180058&mcid=f187e504b3c33a3a9e8090925a6d4ed6&hvocijid=16440620769943199314-B0015IS6IY-&hvexpln=73&th=1

Be sure to get a glass lens, and with a single lens, too much magnification will give a very short working distance.  Mine is 2X and the working distance of 10" seems about right.   I would not recommend a lighted visor either.

--- End quote ---

I use a genuine DA-4 (i.e. 2x mag version) glass-lens Optivisor too. I can wear them for hours with no problem, and the amount of magnification feels just right for a lot of SMD work.
Another benefit is that it often doesn't need to be moved (much) out of the way when looking further away, because you can just tilt your head up a bit, and peer just beneath the lenses.

dredd:
Found this table with optical data for a typical lense:
https://www.yydag.com/en/productsd.php?tid=40&pid=781

Yydag is OEM for Eakins optical line, so the data is more accurate here, makes more sense. Apparently there are two attachments to main zoom body:
- eyepiece (top), can be 0.35X, 0.5X, 1X. I think it should match sensor size: 0.5x for 1/2" sensor, 0.35x for 1/2.8" sensor. Also called "camera adapter".
- Aux lens (bottom). I guess it is barlow lens. 0.5X, 1.0X, 2.0X. 0.5x reduces magnification and increases WD by factor of 2. Also called "objective lens".

pcprogrammer:
I received my camera today and hooked it up to a monitor via HDMI and I'm very pleased with how it works. At first I thought wow what a crappy image, but it was set to black and white.  :palm:

Have to do some playing around with the lights to get the best results for soldering, but with the two lights on the base that have swan necks it works better than with the LED ring around the lens. The camera can sit high up giving a wide view of the board and still allow for good magnification of the component areas. With the digital zoom it is also easy to capture a smaller area of the PCB. Goes up to 5x.

I feel that it will improve soldering a lot for me due to being able to sit up straight and look at the monitor instead of the PCB and still maneuver easily with the soldering iron. A real live test has to prove this of course. Need to clear my soldering desk and make a proper setup for this though.

The only down side is that the supplier forgot to add the power supply for the camera in the package, so I have to see what kind of discount I can arrange based on that.  :-DD

As a proper electronics hobbyist I have loads of power supplies so not a big deal though.

Will see if I can post some pictures of the camera in action in a couple of days.
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