[LRflex] Re: Technical, Using Elpros + Cron 50 + Four thirds Camera

  • From: Bille Xavier F. <hot_billexf@xxxxxxxxxxx>
  • To: <leicareflex@xxxxxxxxxxxxx>
  • Date: Sat, 21 Apr 2012 16:49:27 +0200

Thanks for the support Richard In fact, I don't have yet this Elpro. But I have 
the other hardware. I have read that the 14-50 Vario Elmarit of the Digilux can 
focus down to 29cmm (a little more than a feet) with a rate of reproduction of 
1:3.2 I have read (thanks David Young for your article) that the 'Cron 50mm 
with Elpro VIb can give a reproduction rate of 1:2.6, er on a film camera, 
minimum distance is 14 cm (5 inches). Given the excellent resolution of the 
summicron 50 on a Digilux, it's quite tempting.  But I have no idea of the 
final reproduction rate. And I have no idea on how to compute it. 
Experimentation, it gives someting to do on a bad day.




<--->
Xavier F. BILLE
Maisons Alfort - France
 

 > Subject: [LRflex] Re: Technical, Using Elpros + Cron 50 + Four thirds Camera
> From: ilovaussiesheps@xxxxxxxxxxx
> Date: Fri, 20 Apr 2012 11:52:21 -0400
> To: leicareflex@xxxxxxxxxxxxx
> 
> Don't know the specific answers to your questions, but don't forget that 
> sensor size matters when it comes to depth of field comparisons. 
> 
> However!
> 
> If you already own a 4/3 camera, a summicron fifty, and an elpro or two, 
> couldn't you simply slap a ruler on a table, the camera on a tripod, and 
> snapoff a series of comparison shots in short order?
> 
> Richard
>  _____________________________________
> 
> My Sarcasm Fu Is Strong,
> Proceed With Caution.  :-)
>  _____________________________________
> 
> On Apr 20, 2012, at 6:04 AM, Bille Xavier F. <hot_billexf@xxxxxxxxxxx> wrote:
> 
> > Good day to all
> > The Elpro used on a Cron 50 will offer a magnifying view of say, X, on a 
> > film  Leica R camera,
> > Question: What happens to the value of X when the same lens is used on a 
> > Four Thirds, such as the Digilux 3.
> > The 50mm has an angle of view equivalent to 100mm on the Digilux 3
> > Would this X becomes X*2, twice magnifying ?
> > Then the DOF at f2 must be equivalent to a "poil de cul" (Arse Hair, 
> > typical French to say a small or negligeible quantity).
> > Then, which one, the ELPRO 1 or ELPRO 2 (equ. VIa and VIb) is better?
> > Your widsom will certainly help me. Thanks!
> > 
> > 
> > 
> > 
> > <--->
> > Xavier F. BILLE
> > Maisons Alfort - France
> > 
> >                         
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