Robert,
Craig Camera has manuals for several variations of the 2000 and
f-280. I don't remember if their catalog is on line or not, www.craigcamera.com.
If the catalog is not on line, email me off list with more info.
Regards,
Larry
Robert Winters wrote:
> on 3/25/01 9:30 AM, drchrisbarrett at drchrisbarrett@xxxxxxxxxxxxxxxxxxxx
> wrote:
>
> > Dear Tim,
> >
> > You wrote:
> >
> >
> > "I am not sure it is that unlikely a structure as the surface layers
> > need to
> > include quite a few layers including a passivation layer, at least one
> > metalization layer to bring in connections (possibly 2) at least one
> > layer
> > for the filters and possibly three seperate layers (1 for each color)
> > and
> > maybe even passivation layers between each of those."
> >
> > The metallisation layers are likely to be sub-micron, youre right about
> > the "filling factor" for the sensing element itself. I've been
> > calculating on the assumption that the sensors fill completely the chip
> > chip, but I was trying to give some useful approximations. I think in an
> > RGB chip, the filter layers will not be one on top of another, but will
> > be side by side. They are likely to be the thickest layer, and could be
> > several microns. However, thick layers are notoriously difficult to
> > pattern so I think they would go for a thin layer of something with a
> > high absorption coefficient.
> > That said the undercutting that one gets when etching thick layers such
> > as the filter could be used to approximate a hemispherical lens on top
> > of each element, wich would help gather the low angle rays.
> >
> > "In a a non RGB sensor as
> > is used in a dichroic beam splitter design the pixels are
> > proportionately
> > larger and don't need all the filter layers so the signals are larger by
> > a
> > factor of 3 and they don't have such deep wells. For analytic
> > applications as
> > your coleagues are probably using (?), the same thinner design
> > applies,since
> > they don't need on chip filters. "
> >
> > I did say at one point that I was ignoring the effect of small pixel
> > sizes on noise levels but this would need to be considered.
> >
> > My colleagues don't use them for analytical applications but for a
> > variety of imaging applications. The UK MoD requires us to retain
> > experise and knowledge base in all aspects of miltary and commercially
> > available devices, hence they know a lot about commercially available
> > devices, even when they don't have an immediate use for them.
> I have come across a Braun flash which I want to give to my daughter for
> that occasional flash picture with an OM-2. Does anyone know anything about
> this flash or perhaps even have an old manual from the 80's on this one. I
> sure would appreciate any information.
>
> Thanks
>
> Bob Winters
> Washington State
>
> < This message was delivered via the Olympus Mailing List >
> < For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
> < Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|