Here's how the pros did it for a startling IMAX movie sequence: the steam
locomotive hurtled at you on the screen right up to a cut at impact. Did
they sacrifice a very expensive IMAX camera? No, they put a mirror on a
scaffold on the track set 45 degrees to the track. The camera was set up
safely to the side of the track looking into the mirror. The train drove
through the mirror without hurting anything but the mirror (7 years bad
cinematographic bad luck?) Most railroad companies would complain if one of
us Zuiks did that to one of their trains. Pity.
Gary Edwards
From: John Robison <omrobison@xxxxxxxxx>
Reply-To: olympus@xxxxxxxxxxxxxxx
To: olympus@xxxxxxxxxxxxxxx
Subject: Re: [OM] Depth of field
Date: Mon, 12 Jul 1999 20:28:56 -0700 (PDT)
IMHO - Just leave the lens set to infinity at F16 and
point and shoot when the train fills a satisfactory
area in your view screen. (Remember that it is closer
than it appears!) Everything will be in focus from
about 5.5 feet onward to infinity. ("To Infinity &
Beyond!" --Buzz Lightyear)
Oh, and remember to jump OFF the tracks (preferably
WITH your equipment) after releasing the shutter.
John
(Would-Not-Be-Standing-On-Tracks-When-Train-Is-Hurtling-Toward-Him)
Robison
--- WKato@xxxxxxx wrote:
> Say you are standing in a middle of a set
> of train tracks, with
> the locomotive headed toward you. You want to have
> maximum depth of field so
> that the train won't hurt your Olympus equipment and
> your 28mm lens set at
> f16 because you want it far away from you when you
> snap the shutter. Now
> without referring to a hyperfocal chart or the scale
> on the lens is there any
> way to pick a spot on the train tracks that will be
> the hyperfocal point? Is
> is halfway to the horizon? Or maybe a third of the
> way to the horizon? Or is
> my question unanswerable because I've left out some
> variables?
>
> Thanks.
>
> Warren
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