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Re: [OM] what happened to e-sif?

Subject: Re: [OM] what happened to e-sif?
From: "John A. Lind" <jlind@xxxxxxxxxxxx>
Date: Sat, 09 Feb 2002 19:18:22 +0000
At 22:51 2/9/02, Clendon Gibson wrote:
Did the online sif site move? is it dead?


Related to this I was trying to find out about difuser
attachements for t-20s or t-32s. Are there such
things?

Thanks!

Olympus didn't make one for the T-20. They did make one for the T-32. It's part of the neutral density filter set. Among the varying shades of gray panels that slide into the slots on the front of the T-32, there is a white one. It doubles as a diffuser and as a neutral density panel that cuts down the light by a stop. As a soft diffuser it spreads out the light to allow a 21mm lens.

There are also after-market softboxes you can use on both. Be cautious about using a protruding (or bulging convex) softbox versus a flat panel with the flash in "Normal Auto" mode (not a problem in TTL Auto). The glare from the bottom of the protruding box can enter the sensor below the flash tube resulting in under-exposure.

This applies to all flash heads when using their on-board sensors to control flash output. Acer likely encountered this with his home made diffuser and I encountered it with a softbox on a Metz 40MZ-3i. Fortunately I discovered it when testing the flash to determine how much it lowered the guide number and observed near zero recharge time in "Normal Auto." Acer wasn't so lucky.

-- John


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