Twin flash at my way

 by KresimirPregernik
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What's up?

I like to take macro (micro) shots. And for this reason I need a light. It is because I want ti use ISO 100. And I need greater possible DOF. And therefore F should be 16.... til 32. At normal sunny day photo is black. If you Have not artificial light.
Answer is a flash. Strong light. Fast light. To freeze movements. It shall be perfect!
So,  I need to buy a flash.
Normal flashgun  - illuminate from front and pictures are flat.
Ring Flash - "dedicated" for macro - the same story - pictures without deep.
Well, we need a light source from side and litlle above... about 45 degree. 
Twin flash!  Main from left and right to fill in...It has to be perfect!

I search web ... after days and tears, I conclude that I have not -  I will not be a Jack ass for  500 ... 800 ...1000 USD.

So I turn to proven DIY.
Two smallest flashes from China.. about 24 USD.
Two optical hot shoe from China...  about 14 USD.
A small Flashgun from E-bay... 25 USD... suited for ma A350.
Plate of Plexiglas 4mm and few hours in my corner.  A lens hood ...

All hand made in several hours.
Pictures worth a 1000 words. Specially the last two.

You always have a choice.. to choose "dedicated" "only for me" "special" ...Jack ass for 000 USD.

Sincerely, Yours.


 
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Step 1: Basic material

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This part is very complicated. I have to draw a circles. The bigger one for the front and the smaller one for the back ring. Lens hood is conical. The I need to choose tool. The I have to cut a pancake form from Plexiglas (Lexan).  1 hour. And 13 minutes.
diy_bloke says: Dec 9, 2011. 10:19 PM
a bit late, i know, but maybe others will be helped by this. This cheap (15 usd) flash has a built in slave with delay for preflash:
http://www.dealextreme.com/p/digital-pro-slave-flash-black-2-aa-42436

can also search for 'Godox 18'
Phil B says: May 6, 2010. 1:47 PM
Your Instructable primarily concerns mounting two flash units.  How do you trigger them and how do you synchronize them with the shutter on your digital camera?  Many digital cameras use a pre-flash to reduce red eye.  This pre-flash makes standard slave flash triggers unworkable on many digital cameras.
KresimirPregernik (author) in reply to Phil BAug 23, 2010. 10:29 AM
Sorry, i was not here at time... 1, I use standard flash mounted on hot shoe ... they are without pre-flash 2. Each small flashes on sides are mounted on optical hot shoes about 10 USD pc 3. Now I have also wireless trigger. And of course, simple old fashion flash wire PC connection. The last on is the best.
KresimirPregernik (author) in reply to Phil BMay 6, 2010. 10:42 PM
Here is alterenative:

http://cgi.ebay.at/Sony-HVL-MT24AM-Makro-Zwillingsblitz-/200469057681?cmd=ViewItem&pt=DE_Elektronik_Computer_Foto_Camcorder_Blitze_PM&hash=item2eace31091
KresimirPregernik (author) in reply to Phil BMay 6, 2010. 9:39 PM
1, Main flash is mounted on camera.
2.  You can see two opto-trigers on sistem!
3. In macro photo I use M- manual mode whithout preflash.
Phil B in reply to KresimirPregernikMay 7, 2010. 7:18 AM
My camera is not a DSLR and I do not have as many manual controls.  496 Euros is a little expensive for a twin flash (eBay link).
thearchitect says: May 6, 2010. 1:38 PM
Excellent work! Where did you get those falconeyes 12m flash units? K.
KresimirPregernik (author) in reply to thearchitectMay 6, 2010. 9:41 PM
As I wrote --- on/from E-bay --- just search on web.
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