Archived posting to the Leica Users Group, 2004/07/14
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]B. D. Colen7/13/04
>the 2 1/4s that is self-contained - no
>computer tether, power supply, etc. - that takes a CF card or the
>equivalent
>that holds at least the 12 images of a standard 120 roll of film, so that
>the
>camera has the flexibility it has with a film back, then we can talk.
Then let's talk because:
"The first medium format backs that could operate in the field without being
tethered to a computer were the Kodak DCS Pro Back, and Kodak Pro Back 645.
These were 16 Megapixel backs covering less than full frame. I write "were"
because in early 2004 Kodak in its wisdom (and as part of its survival
strategy) decided to discontinue the Pro Back line. I should add that I have
a Pro Back 645 and use it with my Contax 645 system. In fact it is the
benchmark against which I test and compare other medium format backs.
There are currently two other generally available portable 22MP backs on the
market ? the Imacon Ixpress 132C and the Leaf Valeo 22Wi. From a portability
issue the Phase One P25 has an advantage because it is completely
self-contained. Back, battery, memory card slot and screen are all in one.
Attach it to a medium format camera and you're shooting. The Imacon and the
Leaf don't need to be tethered to a computer the way some earlier backs
were, but each requires some form of external connection. The Imacon has a
built-in colour screen, but needs to be attached by cable to a device called
an Imagebank that can be carried on your belt. This contains a 10GB hard
disk and a battery that powers the whole assembly. The Leaf back similarly
attaches to an external control unit / hard disk / battery that attaches
underneath the camera body. There is no built in LCD screen but instead the
control unit offers a wireless (Bluetooth) connection to an Ipaq PDA which
serves as a review and control screen."
<http://www.luminous-landscape.com/reviews/cameras/p25-firstlook.shtml>
Fond regards,
G e o r g e L o t t e r m o s e r, imagist?
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