Re: Will this idea work? (3D view)
- From: qrk <SpamTrap@xxxxxxxx>
- Date: Tue, 01 Sep 2009 19:12:02 GMT
On Tue, 01 Sep 2009 17:25:58 GMT, Jan Panteltje
<pNaonStpealmtje@xxxxxxxxx> wrote:
On a sunny day (Tue, 01 Sep 2009 16:53:34 GMT) it happened Jan Panteltje
<pNaonStpealmtje@xxxxxxxxx> wrote in <h7jjii$n0v$1@xxxxxxxxxxxxxxxxx>:
On a sunny day (Wed, 02 Sep 2009 01:58:13 +1000) it happened David Eather
<eather@xxxxxxxxxx> wrote in <Y4qdnTENIfPg2ADXnZ2dnUVZ_uCdnZ2d@xxxxxxxxxxxxx>:
Jan Panteltje wrote:
I was soldering some really tiny stuff, tried using a webcam and
display it on the monitor, but apart from the time lag (a little),
the problem is that I can see no depth that way, dunno how far the soldering iron is
from the joint so to speak.
So looked for a cheap stereo microscope, that would be OK, but one needs to peer into
those 2 tubes all the time... Not pleasant.
Then I was thinking: I have a cheap super small PAL camera, get an other one,
mount one on both sides of the stereo microscope, and frame sequentially display
on the 22 inch LCD.
Uses my Asus 3 D shutter (games) glasses to see it in 3 D.
These days 3D monitors are also becoming available.
That would give me 25 fps left / right eye (50 fields / second total), drop the interlace,
in fact do the odd lines to the left, and even lines to the right eye, getting good motion covering.
Would this work?
Does it exists?
Would it sell?
You would have some problem keeping the two video sources in sync. If
you can't sync them it would be hard to watch and very hard to sell.
Oops you are right.
Have to V sync one to the other...
That would require opening those things up and having a close look in 3D
if I can do anything with the ASIC....
OK, know how to do that.
Both camaras have a crystal, all stuff is derived from that.
Probably n x 4.43 (PAL color carrier).
To V sync the cameras, I can do a V compare on the video out signals,
and tune one of the xtals with a varicap, until V lock is achieved.
Then switch to H compare.
And than optionally lock the color subcarriers if I wanted to go directly to an analog color set.
That is classical analog TV stuff.
That color subcarrier compare will not be needed if feeding into 2 digitizers.
You need frame and field sync between the two cameras. Soldering under
a stereo microscope is quite natural if you spend a bit of time doing
it. I would find looking through a monitor to be annoying since you
don't have the contrast and resolution to comfortably work on SMD
boards. You can find new Chinese scopes with zoom that are pretty good
in the 4x to 20x range (above 20x, they aren't as good as a quality
scope) for USD 500. The one on my bench is an old AO that a buddy
donated to me.
--
Mark
.
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