T8 needs a reflector because the tube points backwards.
T10 needs none because the tube points forwards.
I have no experience with T8, but T10 is _very_ easy to use on the end of
the lens. T28 is a bit more cumbersome, but not by any means difficult.
The difference is in the shadows (of course). Do you want any modelling of
the subject? If you do, then T28 is the only way to go. If you want a
completely flat rendition, then the T10 will give it to you (T8 I suspect
will give a lower contrast result than T10). But sometimes you do need some
shadows, and you can use T32 ND filters and wideangle adapter to control
(and tone down) the T28.
--
Piers
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of Andrew Gullen
Sent: 08 December 2004 12:36
To: olympus@xxxxxxxxxx
Subject: [OM] Re: which marco flash?
on 2004/12/08 5:33 AM, jking@xxxxxxxxxxxxxx at jking@xxxxxxxxxxxxxx wrote:
>
> Its christmas time and I was thinking of a present for my om series
belows.
> I plan at some point to buy 80 and 135mm macro lenses but they are few
> and far between on ebay at the moment. So I was wondering about which
> flash to buy. I want as natural photos as possible without hash
> colours or lots of shadows.
>
> The T8 looks promising for lack of shadows but does not seem to have
> much power. The T10 has a little more power but no reflector. The twin
> T28 looks like it will take some trial and error to gid rid of the
shadows...
Working with an 80mm I find the T28 shadows just enough to give a 3-D
effect, and they're not harsh. At typical macro working distances the flash
is large relative to the subject (subtends a large arc) and so gives
soft-edged shadows. Without any shadows your subject will look more 2-D.
I haven't used a T-8 or T-10 for more than a couple of shots, so I can't
speak from experience. I've heard they give a flatter effect. I'm sure
someone will speak up.
Andrew
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