Archived posting to the Leica Users Group, 2012/03/15

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] S2 vs. 645D sensor
From: hopsternew at gmail.com (Geoff Hopkinson)
Date: Fri, 16 Mar 2012 16:44:00 +1000
References: <CAF8hL-FgDxr2rLsVNhfRpHULJwdjP9pfTF83m4D9kRUhzO4v9w@mail.gmail.com> <CAE3QcF7QnuCE=BLDs_+QJUzVfcJW443zMKEe3UVUqQycnrdXUA@mail.gmail.com> <CAF8hL-E4V3KzDLceBve5i7WNnbbLzv4wgh=LMnfj-NutsRDDRQ@mail.gmail.com>

I don't know about the rocket science, however the pixel pitch in both
sensors is quoted as square. I guess you are speculating that different
portions of the same sensor are used in each?
I'm quite fond of 3:2 personally. That translates as a maximum of   29.3x44
of the Pentax sensor. That makes it less attractive for me anyway.
But then I am not remotely at the limit of what I can obtain from the M9
sensor as yet!
Peter Karbe says that the current S lenses will out-resolve their next
generation (30x45) sensor as well.
When there's an S3 AND a goldmine in my backyard I'll take that challenge
instead.

Cheers,
Geoff
http://www.pbase.com/hoppyman



On 16 March 2012 14:46, Richard Man <richard at richardmanphoto.com> wrote:

> Yes, the difference in dimensions have been noted, as I said. They can
> still be the "same" sensor. Not like it's rocket science to arrange pixels
> from 30x45 to 33x44 :-) The more interesting question is whether S2 has
> microlens etc. that would make it better even using the same generation of
> technology.
>
> On Thu, Mar 15, 2012 at 9:13 PM, Geoff Hopkinson <hopsternew at gmail.com
> >wrote:
>
> > Huh?
> >
> > The S2 sensor is 30x45mm and 37.5mp
> > The Pentax 645D sensor is 33x44mm and 40mp
> > Same pixel pitch I think FWIW
> > Maybe the extra 3mm are sawed off and the bits glued on to make up the
> > width ;-)
> >  Cheers,
> > Geoff
> > http://www.pbase.com/hoppyman
> >
> >
> >
> > On 16 March 2012 07:52, Richard Man <richard at richardmanphoto.com> 
> > wrote:
> >
> > > Someone wrote a review of the S2 and claims that it and the Pentax 645D
> > > share the same sensor. Being smarter than I was when I made similar
> > comment
> > > here, I mentioned that the sensors are different dimensions and I asked
> > are
> > > there real evidence that they are the same sensor or at least share the
> > > same technology. Here's the reply:
> > >
> > > ***
> > > Kodak removed the specs of the sensor when the S2 was released so
> > customers
> > > could not get the information, but supposedly the sensors in the two
> > > cameras are from the same generation and share the same technology. It
> is
> > > definitely a Kodak sensor--KAF 37500.
> > >
> > > http://www.kodak.com/ek/US/en/Image_...hotography.htm<
> > >
> >
> http://www.kodak.com/ek/US/en/Image_Sensor_Solutions/KODAK_CCD_Image_Sensors_Power_New_Cameras_for_Professional_Photography.htm
> > > >
> > > &&&&
> > >
> > > Does anyone know if the S2 has microlens ala M9 or is that deemed not
> > > necessary?
> > >
> > > Thread here:
> > >
> > >
> >
> http://forum.getdpi.com/forum/medium-format-systems-digital-backs/35511-multi-part-leica-s2-review.html
> > >
> > > --
> > > // richard <http://www.richardmanphoto.com>
> > >
> > > _______________________________________________
> > > Leica Users Group.
> > > See http://leica-users.org/mailman/listinfo/lug for more information
> > >
> >
> > _______________________________________________
> > Leica Users Group.
> > See http://leica-users.org/mailman/listinfo/lug for more information
> >
>
>
>
> --
> // richard <http://www.richardmanphoto.com>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>


Replies: Reply from richard at richardmanphoto.com (Richard Man) ([Leica] S2 vs. 645D sensor)
In reply to: Message from richard at richardmanphoto.com (Richard Man) ([Leica] S2 vs. 645D sensor)
Message from hopsternew at gmail.com (Geoff Hopkinson) ([Leica] S2 vs. 645D sensor)
Message from richard at richardmanphoto.com (Richard Man) ([Leica] S2 vs. 645D sensor)