Fujifilm FinePix F700 Review

Review based on a production FinePix F700
Back in January 2003 Fujifilm
announced a new type of image sensor called SuperCCD SR, this new
sensor was set to revolutionize digital cameras by extending their dynamic
range so that highlights would be maintained and bringing photo reproduction
even closer to film. This new sensor achieves extending dynamic range
by having to photodiodes at each photosite location, one large photodiode
which captures the majority of the dynamic range (much like a normal digital
camera photodiode), a second much smaller photodiode which is less sensitive
and captures mostly highlight detail. The information from the two photodiodes
is combined to deliver extended dynamic range.
The FinePix F700 was
announced just before PMA 2003 in February approximately a month after
the announcement of the sensor, this new camera is the first to feature
the SuperCCD SR sensor. After this announcement things got complicated,
the F700 was delayed not once but twice, first in April for 'Summer' and
then at the end of June for 'October'. I'm glad to report that we now
have a full production FinePix F700 and can therefore bring you this review.
SuperCCD SR: Frames from slideshow presentation
Note that the slides below are from a Fujifilm presentation given to
UK journalists.
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| SuperCCD SR structure diagram, one microlens,
one color filter, two photodiodes per photosite |
SuperCCD SR designed to replicate negative
film by having two photodiodes of different sensitivity |
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| Primary photodiode has high sensitivity but
a relatively narrow dynamic range, captures dark and medium tones |
Secondary photodiode has low sensitivity but
high dynamic range, four times that of the high sensitivity photodiode |
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| Camera's DSP processor combines the output
from the two sets of photodiodes to produce the final 'extended dynamic
range' image |
The time flow of capture, both photodiodes
are exposed at the same time, primary is read first, secondary is
read last |
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| Simulated advantage of SuperCCD
SR |
Simulated advantage of SuperCCD
SR |

If you're new to digital photography you may wish to read the Digital
Photography Glossary before diving into this article (it may help
you understand some of the terms used).
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This article is Copyright 2003
Phil Askey and the review in part or in whole may NOT be reproduced in
any electronic or printed medium without prior permission from the author.
For information on reproducing any part of this review (or any images)
please contact: Phil Askey
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