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Re: filmscanners: Canon 4000 scanner VS Nikon LS4000 >Mikael

Nikon might be approaching the limits of linearity in the LEDs.  They 
also need to be able to have a range of brightness available to them for 
the "analog exposure" they offer.  Since Blue LEDs are (or at least 
were) the least bright, they might be the limiting factor.


Julian Robinson wrote:

> Mikael - thanks for this useful info.  It is interesting that the 
> different generations of scanners have the same depth of field although 
> they have totally different optics.  Means that Nikon must be holding a 
> firm line against other constraints (such as LED brightness).
> Cheers
> Julian


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