Need help choosing a camera.

Need help choosing a camera.

[Andres Suarez]

Hi everybody.

I need to build a machine vision system, I think it would be very useful
to have a well suported good quality USB camera for that purpose (i.e.
if I could focus using software it would be great). I would appreciate A
LOT some advice about the right model to choose.

Thanks in advance.

Andres Suarez

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Re: Need help choosing a camera.

[Ralf Stephan]

Andres Suarez wrote 
> I need to build a machine vision system, I think it would be very useful
> to have a well suported good quality USB camera for that purpose (i.e.
> if I could focus using software it would be great). I would appreciate A
> LOT some advice about the right model to choose.

While I can't comment on cameras that are especially fit for
machine vision purposes, the problem is not the camera itself
since most cameras have Cinch/Chinch/Scart/Analog Video(AV)
output, or you use an adapter. The problem is the right
AV-to-USB-converter, and this is one topic of this list, as
I can understand it, after a few weeks.

One caveat I found is not to blindly buy any Hauppauge USB stick
(as I did with the 40240) because only USB 2.0 sticks are
supported by the em28xx driver. That leaves you with the models
HVR 900 and 1300.

Did I write anything stoopid?


ralf

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Re: Need help choosing a camera.

[Markus Rechberger]

Hi,


--- Ralf Stephan <ralf@ark.in-berlin.de> schrieb:

> Andres Suarez wrote 
> > I need to build a machine vision system, I think
> it would be very useful
> > to have a well suported good quality USB camera
> for that purpose (i.e.
> > if I could focus using software it would be
> great). I would appreciate A
> > LOT some advice about the right model to choose.
> 
> While I can't comment on cameras that are especially
> fit for
> machine vision purposes, the problem is not the
> camera itself
> since most cameras have Cinch/Chinch/Scart/Analog
> Video(AV)
> output, or you use an adapter. The problem is the
> right
> AV-to-USB-converter, and this is one topic of this
> list, as
> I can understand it, after a few weeks.
> 
> One caveat I found is not to blindly buy any
> Hauppauge USB stick
> (as I did with the 40240) because only USB 2.0
> sticks are
> supported by the em28xx driver. That leaves you with
> the models
> HVR 900 and 1300.
> 
> Did I write anything stoopid?
> 

yes em28xx based devices only support USB 2.0 with
full quality.

-Markus

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