[pure-silver] Re: shooting in snow
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Thu, 10 Feb 2011 20:45:08 -0800
----- Original Message -----
From: "John Bower" <john@xxxxxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Thursday, February 10, 2011 1:13 PM
Subject: [pure-silver] Re: shooting in snow
I've shot snow on the ground, and successfully exposed it.
So, what I guess I'm asking is what shutter speeds will
give what effects. For example, what speed will typically
freeze the motion of the snow? What speed will blur it
slightly? Thanks.
--
John Bower, an Indiana Artisan
http://www.studioindiana.com/
I think this is rather like photographing flowing
water. A waterfall looks quite strange is the shutter speed
is too high. My guess is that a speed of around 1/25th would
give the effect of movement because snow generally falls
fairly slowly. Of course, if it is being driven by wind it
moves faster. I think some experiments are the only way to
be sure.
That leads to a curious thought: focal plane shutters
distort moving objects, for instance, it used to be common
to see wheels on racing cars shown as being oval-shaped and
leaning in the direction of motion. That was because the the
typical Graflex type camera had a large FP shutter which
moved downward in the image plane, meaning it exposed the
bottom of the picture first. So, as it moved up the wheel
was moving forward and the top of the wheel was shown
leaning in whatever direction is was moving. The typical
Graflex shutter is pretty slow moving, the high speed being
obtained by narrowing the slit.
So, I wonder what it would do to snow. The flakes would
be moving counter to the effective shutter movement so I
suppose it would effectively shorten the exposure.
Strobe will freeze the movement, I've seen plenty of
pictures taken in the snow using a strobe.
OTOH, its been many years since I lived where it snowed
much. I thought it was fun when I was a kid but didn't have
to shovel it.
--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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