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RE: [OM] Focusing Screens

Subject: RE: [OM] Focusing Screens
From: "daniel" <danrich@xxxxxxxxxxxxx>
Date: Fri, 30 May 2003 10:25:50 -1000
What focus screen are you using?

Dan

 

I think its fine, just getting the right screen I think.

It will go just a bit past infinity in focus, after reaching it, I can
still go a little more noticing the focus screen split image shift. 

Common for Tamrons?

Just took some pictures but maybe I need to get use to it because it
sure is sweet and handy lens. 

Seems that the lens is critical it focus much like a macro that can
cause everything around it to be out of focus quickly.

That must be how it achieves that out of focus look around a portrait so
well?

Dan

 

In a message dated 5/30/2003 3:17:45 PM Eastern Daylight Time,
om@xxxxxxxxxxxxxxxx writes:





I borrowed a 180/2.5 that wouldn't reach infinity.  Perhaps it's a
common problem with the lenses?

Skip



I'll chime in.  It's my 180 that Skip borrowed and found unable to focus
to infinity.  After Skip alerted me to the problem, I sent it off to
Tamron, who said the focusing helicoid had been damaged and needed to be
replaced.   I had it done (it did cost a few), but the lens works fine
now.   I never really checked infinity focus on it before because I use
it more as a long macro lens.  

So maybe it is a problem unique to this lens.  Its worth fixing, though.
Takes great images. 

Best,

Greg L. 

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