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PostPosted: Sun Jan 27, 2008 9:35 am 
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Hi everyone,

I am interested in all aspects of photography, but over the years I have concentrated on two main areas, deep-sky imaging, and high-speed flash photography.

You can see examples of very high speed flash photography here:
http://hometown.aol.co.uk/mobiusltd/myh ... photo.html

The units I built carry 200 Joules of energy and have a flash duration of 40 microseconds. This equates to something like f#32, 6 feet, ISO100. A Cambridge based company will be making these units available for purchase by the end of February 2008.

Greg

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Nexstar 11 GPS, 2 x Sky 90, M25C, MaximDL, Photshop CS3, Noel Carboni's Photoshop actions, 7 foot Pulsar fibreglass dome, Canon 40D, 100mm macro lens, 28-200mm zoom lens, 17-55mm f#2.8 zoom lens, 100-400mm zoom lens, 1.4x converter, 2x converter.
http://www.newforestobservatory.com/
http://www.flickr.com/photos/12801949@N02/


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PostPosted: Sun Jan 27, 2008 10:38 am 
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Joined: Tue Nov 08, 2005 3:32 pm
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Location: Queenstown, New Zealand
Excellent stuff Greg, and great article!

That's also great news they'll soon be available...

You may have spotted my attempt at high speed photography here:

http://www.cameralabs.com/forum/viewtopic.php?t=2939

Flashes and strobes sure are great for this kind of thing...

Thanks for posting some more interesting stuff!

Gordon


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PostPosted: Sun Jan 27, 2008 11:05 am 
You have nice examples on your website Greg!

Does the short flash duration mean you can exceed the camera flash sync speed?


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PostPosted: Sun Jan 27, 2008 1:42 pm 
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Hi Gordon,
No I hadn't seen your thread :) Well you could do with one of these ultra high speed jobbies, especially with all the fantastic birdlife you have in New Zealand. I've not seen a nice coffee-table book on the Birds of New Zealand, and you're in the right place for that one.

Hi Graham,
Not sure how you would run into sync problems. Certainly not had any issues with film DSLRs, medium format film, or digital cameras.

Greg

_________________
Nexstar 11 GPS, 2 x Sky 90, M25C, MaximDL, Photshop CS3, Noel Carboni's Photoshop actions, 7 foot Pulsar fibreglass dome, Canon 40D, 100mm macro lens, 28-200mm zoom lens, 17-55mm f#2.8 zoom lens, 100-400mm zoom lens, 1.4x converter, 2x converter.
http://www.newforestobservatory.com/
http://www.flickr.com/photos/12801949@N02/


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PostPosted: Mon Jan 28, 2008 2:16 am 
wow these are great


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