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January 18, 2008 4:32 PM PST

Seitz scanning camera offers 160 megapixels

by Stephen Shankland

Seitz's 160-megapixel 6x17 Digital camera

(Credit: Seitz)

Got $45,600 burning a hole in your pocket? Try out Seitz Phototechnik's 160-megapixel 6x17 Digital camera. And save a bit more of your allowance for a lens, too.

The mammoth device is able to take an image measuring 60x170mm, a big notch up from high-end SLRs with a 24x36mm frame. It's got huge handgrips on either side that cry out to be grasped, but it's 18 inches wide and weighs 10 pounds, so it looks either like a great workout or tripod material to me.

It can be purchased with a tablet PC to operate it, too. That's doubtless handy, because a single high-resolution file is 307MB in raw format, the company said.

The 6x17 Digital employs a digital scanning back made by Dalsa. Scanning cameras employ a linear light sensor detector similar to that used in flatbed scanners; it moves across the field of view to take the photo rather than using a two-dimensional sensor that captures the entire scene simultaneously. It's a good way to get high resolution, but it comes at a cost: it takes a single second to take a full-resolution 7,500x21,500-pixel image.

(Via Gearfuse.)

Stephen Shankland writes about a wide range of technology and products, but has a particular focus on browsers and digital photography. He joined CNET News in 1998 and since then also has covered Google, Yahoo, servers, supercomputing, Linux and open-source software, and science. E-mail Stephen, or follow him on Twitter at http://www.twitter.com/stshank.
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The film equivalent costs $2000
by fazalmajid January 18, 2008 6:01 PM PST
That's the price for a used Fuji G617 or a new Fotoman 617. Scanned, the film yields a 250 megapixel image.
Reply to this comment
Okay, but...
by edrodgers January 18, 2008 6:14 PM PST
The only problem is that there is a disconnect between the negative and the scan. You can scan at any resolution you want to produce as big a file as you want. It's analog. Your 250 megapixels is arbitrary, and has nothing to do with the source resolution.

I stood recently in a camera shop drooling over a Mamiya 645, pristine condition, motor drive, premium back and finder. 80mm lens. $550.

I still didn't buy it. And a week has gone by and it's still sitting there. Most pros don't want film anymore.

Anyway.. Go buy your film camera.. Who is stopping you? I know what stopped me.
More like 4x5 resolution...
by Galaxy5 January 18, 2008 7:06 PM PST
Before I begin, fazal shoul realize one thing: megapixels is not a
measure of information - simply the total number of pixels in an
image. I can use Photoshop to create a 300 megapixel image of
a 5 megapixel original - both files contain exactly the same
information.

Several years ago, Bill Atkinson and Charlie Cramer tested Bill's
Heidelberg Tango with fine-grained films to find out the point
at which scanned film gives diminishing returns. It turns out that
depending on the lens, 2500-3000dpi was about where you ran
out of detail on film and were simply adding more pixels to the
same information.

At 2500dpi, my scanned 4x5 film is about 300MB - or roughly
what this camera produces from its sensor. I'm not arguing the
superiority (lugging around a 4x5 kit will give you a hernia as
quick as this camera will) of film or digital - they're both
suitable tools in certain circumstances - but to be a film pariah
is unproductive. Both formats have a place - and digital is
increasingly capable.

For landscape work, I still prefer the chemical palette and
batter-less simplicity of working with a view camera and film -
but when it comes time to print, I vastly prefer working with a
scanned digital file.
Interesting development - we've arrived at Large Format resolution
by Galaxy5 January 18, 2008 7:10 PM PST
Before I begin, fazal should realize one thing: megapixels is not
a
measure of information - simply the total number of pixels in an
image. I can use Photoshop to create a 300 megapixel image of
a 5 megapixel original - both files contain exactly the same
information.

Several years ago, Bill Atkinson and Charlie Cramer tested Bill's
Heidelberg Tango with fine-grained films to find out the point
at which scanned film gives diminishing returns. It turns out that
depending on the lens, 2500-3000dpi was about where you ran
out of detail on film and were simply adding more pixels to the
same information.

At 2500dpi, my scanned 4x5 film is about 300MB - or roughly
what this camera produces from its sensor. I'm not arguing the
superiority (lugging around a 4x5 kit will give you a hernia as
quick as this camera will) of film or digital - they're both
suitable tools in certain circumstances - but to be a film pariah
is unproductive. Both formats have a place - and digital is
increasingly capable.

For landscape work, I still prefer the chemical palette and
batter-less simplicity of working with a view camera and film -
but when it comes time to print, I vastly prefer working with a
scanned digital file.
Reply to this comment
One other thing...
by Galaxy5 January 18, 2008 7:12 PM PST
This camera uses a scanning back. Unfortunately, that makes it ill-
suited to any subject that moves.

For the studio market, this could be a great tool, but I'm not sure
which studios are really going to need more than 20 megapixels,
even with still shots.
Reply to this comment
High Res pro's
by Travis Ernst January 19, 2008 12:46 AM PST
If it's studio work they tend to use the Hasselblad line. Those
produce a resolution between 22MP on the H3D-22; 31MP on
the H3D-31; and 39 on the H3D-39.

On the 22 it is film compatible with the option of the film
magazine for those that take it.

I agree the problem with the unit shown in the article is the time
it takes for the image to be captured. If you are taking stills of
non moving in studios it will be fine. So at that price, why not
go with a name that trusted.
(6 Comments)
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About Underexposed

This blog sheds light on digital photography subjects such as cameras, photo editing, and Web sites. Shankland joined CNET News in 1998 after a five-year stint as a science writer. He's a lab rat who grew up in Los Alamos, N.M., and graduated from Harvard.

Contact Stephen at Stephen.Shankland@cnet.com

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