Olympus-OM
[Top] [All Lists]

[OM] Re: OM4t focusing screen

Subject: [OM] Re: OM4t focusing screen
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Thu, 26 Feb 2004 15:59:35 -0500
I'm very glad those lines (seem to) help so many people.  cool..........
----------------------------------------------------
John Hermanson  www.zuiko.com
mail:  omtech@xxxxxxxxx
Camtech, Olympus Sales & Service since 1977
21 South Lane, Huntington NY 11743-4714
631-424-2121  Turnaround 5-7 weeks
----------------------------------------------------
----- Original Message ----- 
From: "Tris Schuler" <tristanjohn@xxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Thursday, February 26, 2004 12:34 PM
Subject: [OM] Re: OM4t focusing screen


> I'm back home now. After replying the first time to this post I thought it
> might be time to recalibrate my diopter so I used that routine to at least
> check for comparative screen grains. I've done that before and duly
> reported that to my old eyes there's no discernible difference in the
> coarseness of grains between the Oly and Beattie screens. Still no
> difference to my even older eyes now, but then of course the old diopter
> moved over another click this time so what do I see?
>
> Apparently the Oly screens have a noticeably finer grain to eyes younger
> and sharper than mine.
>
> As for brightness, I don't see a ready test available to me on that. I
> could swap my 24mm around to bodies with different screens, but that'd a
be
> an awful slow and inexact A-B method if you ask me, with memory and bias
> playing large roles.
>
> One thing I do know:  using _either_ the Oly or Beattie plain-matte focus
> screens with John H's "thirds" lines etched into them affords what I
> consider to be a clear view of whatever scene's before me, and as always
> and within reason the more light the better in that regard.
>
> While away I was able to make a couple of tripod frames shooting Tri-X of
> my father- and mother-in-law plus the wife, something to work on when I
get
> that roll back from the lab. I also finally broke down and began on my
> first roll of Provia. I hope to have that film to scan within a week or so
> to see how it interacts with the sort of light I tend to subject my
> various  emulsions to.
>
> Finally, what sort of feedback are you prepared to give me re that
> camera-shake experiment? If you'd relay to me the ground rules you have in
> mind I'd be happy to perform this test  independently on my end using Tech
> Pan as the film medium, then post the result as an article.
>
> Tris
> www.tristanjohn.com
>
> At 04:59 PM 2/18/2004 -0800, you wrote:
> >Have you tried with say a 24mm lens or something shorter? I find the Oly
> >2 series screens to work better with WA lenses, darkening less. The
> >wider the lens, the greater the difference. This is from memory, now, as
> >the Beattie is sitting in a drawer, replaced with a 2-4 some months ago.
> >
> >Moose
>
>



The olympus mailinglist olympus@xxxxxxxxxx
To unsubscribe: mailto:olympus-request@xxxxxxxxxx?subject=unsubscribe

To contact the list admins: mailto:olympusadmins@xxxxxxxxxx?subject="Olympus 
List Problem"

<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz