I agree with what Peter says about it being pot luck. I've tried his
approach of taking a 'burst' of pictures and then another factor comes
in called Sod's Law! More often than not they ALL end up blank.
One other conclusion I've reached is that the probability of it being
visible is in inverse proportion to the importance of it to the
photograph. If it's an unusual working it's much less likely to come
out!
Regards,
David Beilby
On 29 Oct 2011, at 17:00, Peter Relf wrote:
Martin,
Dot-matrix destination displays are a complete pain for photographers.
The problem arises because they constantly "refresh", i.e. are not
"on" all the time time, although the persistence of vision that we
have gives the impression that the light coming from them is constant.
The only way to guarantee that the display will come out in a
photograph is to use a shutter speed of 1/60th of a second or
slower. Unfortunately, that will rule out taking photos of moving
vehicles. If you want/need to photograph buses on the move it will
be "pot luck" whether you fire the shutter at the moment when the
display is "on". What you can do (if your camera is so equipped) is
to take a burst of (say) three shots and at least one of them should
be OK.
At least we don't (yet) have this problem in London with TfL-
tendered routes !
Peter R.
----- Original Message -----
From: MARTIN BRAY
To: [email protected]
Sent: Saturday, October 29, 2011 4:39 PM
Subject: Help - Photographing Stagecoach Destination Blinds
I seem unable to consistently photograph Stagecoach vehicles showing
their destination blinds, as a proportion of my pictures are showing
black screens, normally the pictures that are of real interest. I
seem to remember sometime ago Barrie suggesting that I need to use a
slow shutter speed because of screen refreshing. I have taken a look
at McKenna Brothers website of LED and DOT matrix electronic
destination blinds but cannot find any reference to photography.
lol. Can anyone explain the technicalties of this. Ta.
http://mckennabrothers.co.uk/mckenna/
Regards
Martin Bray, Swansea, UK
Stagecoach Cymru... http://www.stagecoach-cymru.co.uk
Welcome to Margam Depot...http://www.margam-depot.co.uk
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