Re: VGA–USB adapter, Ubuntu 12.04?

[Colin Law]

On 23 February 2013 16:56, Johnny Rosenberg <gurus.knugum at gmail.com> wrote:
> 2013/2/23 Colin Law <clanlaw at googlemail.com>:
>> On 23 February 2013 16:30, Johnny Rosenberg <gurus.knugum at gmail.com> wrote:
>>> ...
>>> I found more things now. One of them is the Epiphan VGA2USB:
>>> http://www.epiphan.com/products/frame-grabbers/vga2usb/
>>>
>>> They had a Pro version for $2000, but that's just a LITTLE too much for me… :P
>>> The cheapest version is around $300. All versions are compatible with
>>> V4L and there is even a tutorial for how to set it up in Linux.
>>>
>>> Here's a comparison table:
>>> http://www.epiphan.com/products/frame-grabbers/
>>>
>>> It says, among other things, that the frame rate at 640×480 is 29 fps.
>>> My source has a settable ”refresh rate”: 60, 66, 70 and 75 Hz.
>>> Could this be a problem?
>>> I know that refresh rate and frame rate is not the same thing, but
>>> still… do I need to worry about that?
>>> My main purpose is to capture still images anyway, but if recording
>>> video, the target frame rate will be 25 fps.
>>
>> That seems like a lot of money to me.  I am afraid I don't know the
>> answer to the frame rate question, you could probably ask the
>> supplier.
>>
>> Have you thought of just using a webcam?  You get a really good one
>> for much less than $300.  You could make a bracket or something so
>> that it is correctly located.
>>
>> Colin
>
> Well, in that case I could as well continue using the same digital
> camera that I used all the time so far…

A webcam would give you instant capture (snapshot or video) without
having to download from the camera, plus real time view, on the pc, of
what you are about to capture.  Or are you able to stream from your
camera already?

Colin

>
> Fortunately the USD is quite weak these days (and the SEK is quite
> strong) so $300 is not as much in SEK as it was a couple of years ago,
> at least…
> But you are right, $300 is still a bit expensive.
>
>
>
> Johnny Rosenberg
>
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