[HUG ] Re: Biogons and digital backs

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 flexbody
    Sent: Monday, September 29, 2008 4:38 PM
    To: hasselblad@xxxxxxxxxxxxx
    Subject: [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 flexbody
      Sent: Monday, September 29, 2008 1:07 PM
      To: hasselblad@xxxxxxxxxxxxx
      Subject: [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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