On Sat, 3 May 2014, Jon Elson wrote: > On 05/03/2014 06:23 AM, andy pugh wrote: >> On 3 May 2014 03:56, Jon Elson <[email protected]> wrote: >>> Hmm, well, a 4 second lag is pretty bad, if you are using it to >>> center parts under the spindle. What resolution is that >>> camera? It seems the lower res ones may have faster >>> update. >> I bought this one: >> http://www.ebay.co.uk/itm/270975087407 >> (They have since got even cheaper, and the quality seems to have >> improved, this one might even have a brass shell option: >> http://www.ebay.com/itm/360803447528 ) >> >> There is no lag at all. >> Here is a sample picture (of the mm scale of my micrometer) >> http://imagebin.ca/v/1L8Lftd4YXkq > Well, that's the problem, this thing is NOT a microscope, it > has a field of view of over 20 MM! That is huge. I want a > field > of view of a couple mm, max. I can do this with those > little PC board video cameras by screwing the lens out > from the chip, but it has the disadvantage of having to > add a video monitor to the system. I use one for > alignment of the centering jaws on my pick and place > machine. > > So, I'm going to look for a unit that is specifically sold > as a microscope, even if they cost more. >
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