[LRflex] Re: Technical, Using Elpros + Cron 50 + Four thirds Cam
- From: Bille Xavier F. <hot_billexf@xxxxxxxxxxx>
- To: <leicareflex@xxxxxxxxxxxxx>
- Date: Sun, 22 Apr 2012 11:28:16 +0200
George, All
Thnaks for the various point of views (if I may express it for such a subject!)
Long ago, I had read a good photographic course but it was long ago.
I guess I'll give a try to all this: all it needs is a Elpro VIb.
Cheers.
<--->
Xavier F. BILLE
Maisons Alfort - France
> From: imagist3@xxxxxxx
> Subject: [LRflex] Re: Technical, Using Elpros + Cron 50 + Four thirds Cam
> Date: Sat, 21 Apr 2012 17:34:25 -0500
> To: leicareflex@xxxxxxxxxxxxx
>
>
> On Apr 21, 2012, at 2:57 PM, Neil Gould wrote:
>
> > OK... perhaps this will be "opening a can of worms", but I have never
> > understood the notion that there is *any* magnification associated with
> > using a particular lens on a camera based solely on a smaller sensor area
> > than the lens was designed for. If the distance from the lens mount to focal
> > plane changes, then enlargement or a reduction of the image could result,
> > but otherwise, it seems to me that only the coverage (field of view)
> > changes. Is this an incorrect notion for some reason, and if so, why?
>
> Exactly correct as far as I'm concerned.
> Exactly like a 300 mm on my 8x10;
> put the 5x7 back on the camera - nothing changes except the field of view.
> put the 4x5 back on the camera - nothing changes except the field of view.
>
> Now if we wish each format to present the same field of view
> we'll need to change the focal length of the lens to accomplish this;
> or increase the distance from the subject considerably.
>
> Regards,
> George Lottermoser
> george@xxxxxxxxxxx
> http://www.imagist.com
> http://www.imagist.com/blog
> http://www.linkedin.com/in/imagist
>
>
>
>
>
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