On 13 Dec 2004 at 8:18, Keith Davison wrote:
> > What triggered my interest instantly is the fact that it has a user-
> > removable anti-alias filter....by this the camera could then simply
> > be converted to a 'clean' IR-sensitive camera (not requiring the
> > silly long exposures as most DSLR's do (unless you have the camera
> > permanently modified like this: http://www.irdigital.net )), or even be
> > converted with a filter just like that very swiftly (and not permanently).
>
> Are you sure that the IR filter is incorporated with the anti-alias filter
> and not separately bonded to the CCD?
It would be the first camera to have those two functions separated
AFAIK....
Or: why add another air/glass(/air) barrier if you can avoid it....
Also, at the Mamiya stand on the PhotoKina, I worked my way up on the
foodchain, and after 3 days managed to speak to the Japanese chief
engineer (all European Mamiya representatives said I wouldn't
succeeded to get to speak to him....ha!), and in the end I think he
understood what I wanted....not just removing the AA/IR filter, but
also replacing it with an IR-pass filter....
Though on the other hand, don't be surprised if that IR-pass filter
will never make it into OEM production, for cultural/mondesty
reasons....the Japanese wanting to avoid any hint to the Sony night-
shot 'see-through-textile' debacle....
Heard this potential argument from an European EOS-representative,
when discussing the difference between 1D (separare filter, can be
removed) and 1Ds (sandwiched to the sensor, removal impossible).
--
Bye,
Willem-Jan Markerink
The desire to understand
is sometimes far less intelligent than
the inability to understand
<[EMAIL PROTECTED]>
[note: 'a-one' & 'en-el'!]
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