[HUG ] Re: Biogons and digital backs

Can any current high-quality Digital back be used on 500 series bodies with CF 
series lenses?

From: flexbody@xxxxxxxxxxx: hasselblad@xxxxxxxxxxxxxxxxxxxx: [HUG ] Re: Biogons 
and digital backsDate: Mon, 29 Sep 2008 22:47:16 +0200







Sofar there are only digital backs available with considerably smaller sensors
The often used CFV back from Hasselblad performs excellently with the SWC.
Backs now availble with a mount suitable for Hsselblad have smaller sensors.
 
Lets talk about full frame 56x56 mm sensors as soon as they are available.

----- Original Message ----- 
From: Austin Franklin 
To: hasselblad@xxxxxxxxxxxxx 
Sent: Monday, September 29, 2008 10:38 PM
Subject: [HUG ] Re: Biogons and digital backs

Hi Flex,
 
I'm not sure I agree with that.  IF the digital back has a (significantly) 
reduced sized sensor, possibly.  But I'd question that a full frame sensor 
would not have significant vignetting on the corners.
 
Regards,
 
Austin
 

-----Original Message-----From: hasselblad-bounce@xxxxxxxxxxxxx 
[mailto:hasselblad-bounce@xxxxxxxxxxxxx]On Behalf Of flexbodySent: Monday, 
September 29, 2008 4:38 PMTo: hasselblad@xxxxxxxxxxxxxxxxxxxx: [HUG ] Re: 
Biogons and digital backs
The difference between theory and practice.
Any SWC will produce excellent results with a digital back.
Even the first camera in that series,the SWA, will go well 
with a digital back.
 
 

----- Original Message ----- 
From: Karl Wolz 
To: hasselblad@xxxxxxxxxxxxx 
Sent: Monday, September 29, 2008 10:16 PM
Subject: [HUG ] Re: Biogons and digital backs


I’m not an engineer, but I would venture a guess that with the Biogon being as 
close as it is to the film plane, you’d run into real problems using one for 
digital capture.  Sensors tend to be real finicky about the angle of light (a 
distinct advantage to film).
 
Karl Wolz
 




From: hasselblad-bounce@xxxxxxxxxxxxx [mailto:hasselblad-bounce@xxxxxxxxxxxxx] 
On Behalf Of flexbodySent: Monday, September 29, 2008 1:07 PMTo: 
hasselblad@xxxxxxxxxxxxxxxxxxxx: [HUG ] Re: Biogons and digital backs
 

It is not the price of the sensor that is important for the price of a digital 
back.

Sensors are only a fraction of the total cost of a digital back.

I guess a full size sensor would not cost more than 600USD of ordered in 
quantities.

Other problems will make a full size back for MF expensive.

Power needed to feed the electronics will go up considerably. 

That makes large capacity batteries necessary. 

Just one ot the problems that are often overlooked. 


----- Original Message ----- 

From: Richard Schiff 

To: hasselblad@xxxxxxxxxxxxx 

Sent: Monday, September 29, 2008 9:13 PM

Subject: [HUG ] Biogons and digital backs

 
Digital or not... the SWC's 38mm Biogon can probably still beat the pants off 
any wide angle lens ever made.   I think the there would be a market for a tech 
start-up to make a Hasselblad specific Digital back to work with and 500/swc 
series body.  I know the chips are out there.  5 years ago I held in my hand a 
CMOS detector that measure 5" square.  It was comprised of four  2.5"  CMOS 
detector plates joined together.  It was a high-gane photographic detector  for 
the Keck telescope in Hawaii.  If that plate  was operation 5 years ago then 
the technology is WAY beyond that now.  producing a 2-1/4 X 2-1/4 full frame 
detector that could sell for less than $1,000 should be well within reason 
today.  If Hasselblad or leaf won't do it then someone should

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