Russell McMahon wrote:
> After recently acquiring a DSLR after several years extensive
> experience with a top prosumer camera I had "paper designed" a hybrid
> DSLR and EVF camera which would implement a true digital SLR while
> retaining all the best features of modern pro-sumer EVF (electronic
> viewfinder) based cameras. The lack of EVF facilities and all its
> advantages on pure DSLRs renders them dinosaurs just waiting the day
> when someone would wake up and implement 'my design', or any of the
> obvious variants. Somebody just did!

I have long wondered why someone couldn't offer a digital film back to
existing SLR film cameras.  I have a Nikon F3-T, which was popular with
professionals and high end amateurs in its day.  There must be a lot of F3s
out there.  Why not something that is mechanically like a film cartrige that
extends a sensor out to the film plane?  Or if more space is needed for
mechanical reasons, a replacement to the swinging door back that has the
digital sensor built in.  In theory this should cost a lot less than a full
digital camera, and it would preserve the existing investment in
accessories.

I'm guessing the reason why not is that digital sensors aren't tractable at
24x36mm for a reasonable price.  I think sensors equivalent to the
resolution of my scanner (5-8Mpix) are considerably smaller than that.

In the mean time I'll continue to walk around with plain old film in my
camera.  I have the film processed then I scan it and everything is digital
from there on.  Going digital today at the equivalent resolution would still
cost many rolls of film and their processing.

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