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[OM] Re: which marco flash?

Subject: [OM] Re: which marco flash?
From: Mark Dapoz <md@xxxxxxxxxxxx>
Date: Thu, 9 Dec 2004 10:28:55 -0500 (EST)
On Thu, 9 Dec 2004, C.H.Ling wrote:
> 
> Very interesting, looks like the one from T-10 is much sharper even without 
> XPL. The one with XPL looks really strange.

The T-10 image probably looks sharper because the lens was stopped down more
in that shot.  The flashes need to be used in manual mode on the E-1 so there's
not much choice in power levels, only full and half power.  The T-10 is so
much more powerful that even on half power I needed to stop the lens down
more.  Too bad the E-1 doesn't do OTF metering :-(

There's something really odd going on with polarised light and the E-1.  I
get the same odd looking photos when using the macro mirror housings and the
PM-10AD photomicro setup.  Both use half mirrors in the light path.  I suspect
the half mirrors are polarising the light and that has an effect on E-1's
image.  I need to find some time to do some more experimenting.
                                        -mark


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