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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 05 Oct 2006 (Thursday) 01:38
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DIY Macro Flash ring using BUILT IN flash!

 
DanteCaspian
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Oct 15, 2006 08:33 |  #31

20DNewbie wrote in post #2108139 (external link)
I wonder if there's enough DIY'ers here to warrant a DIY sticky. It would be nice to have them all in one place and it may just plant the seed in others to give things a go.


I think there definitely should be a category for DIY/modifications/inve​ntions in the forum.




  
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DanteCaspian
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Oct 15, 2006 08:51 |  #32

Just thinking (in the efforts of continious improvment), for a more durable device, one could use 2mm reflective mylar rather then tin foil. A small roll is not too expensive, and great for other photo projects.
http://www.groworganic​.com …ctiveMylar20mil​54x25.html (external link)


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Nick_C
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Oct 15, 2006 10:19 |  #33

Good idea, many people think silver foil is the most reflective, it certainly looks it! but matt white paint is the better of the two with Mylar being the most reflective, my father uses it with his daylight bulbs for Cacti growing hobby.

Nick :-)




  
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MagicallyDelicious
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Oct 15, 2006 10:22 |  #34

Ok that looks great but im confused as to why the lens is on backwards?
what does that do?>


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Nick_C
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Oct 15, 2006 10:24 |  #35

Mounting a lens backwards increases the magnification drastically, ideal for closeup shots, usually you mount a 50mm lens backwards.

Nick :-)




  
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jcw122
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Oct 15, 2006 11:41 |  #36

MagicallyDelicious wrote in post #2122864 (external link)
Ok that looks great but im confused as to why the lens is on backwards?
what does that do?>

Like Nick_C said, it's usually for Macro photography purposes.


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mxwphoto
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Oct 15, 2006 12:42 |  #37

forkball wrote in post #2118810 (external link)
Another option would be to use the metallic HVAC duct flashing. It's reflective like aluminum foil but heavier and also self adhesive.

DanteCaspian wrote in post #2122614 (external link)
Just thinking (in the efforts of continious improvment), for a more durable device, one could use 2mm reflective mylar rather then tin foil. A small roll is not too expensive, and great for other photo projects.
http://www.groworganic​.com …ctiveMylar20mil​54x25.html (external link)

Those are both interesting suggestions. The self adhesive abilities of duct flashing is definitely a plus. And yes, mylar's more reflective. The only downside to that is I see its cost is fairly high compared to foil. Seeing how not much material is needed, is there a place where small sheets of duct flashing or mylar can be purchased for $5 or less?


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ShotByTom
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Oct 16, 2006 22:51 |  #38

Nick_C wrote in post #2122874 (external link)
Mounting a lens backwards increases the magnification drastically, ideal for closeup shots, usually you mount a 50mm lens backwards.

Nick :-)



This is new to me, so excuse my ignorance...

With this coupler I would put my kit lens (for example) on my camera and use the coupler to mount my 50mm onto the kit lens? Is that how it works?


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mxwphoto
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Oct 17, 2006 03:12 |  #39

a521 wrote in post #2129837 (external link)
This is new to me, so excuse my ignorance...

With this coupler I would put my kit lens (for example) on my camera and use the coupler to mount my 50mm onto the kit lens? Is that how it works?

There's 2 ways to do it. 1 is to reverse the kit lens and directly mount it to the camera backwards with a reverse mount ring. 2 is to take a 50mm and mount it backwards onto a larger lens (ie 70-200). Both methods will allow for makeshift macro. Now if only my reverse mount would pop up in my mailbox already...


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mxwphoto
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Oct 19, 2006 00:19 |  #40

I finally got my reverse mount adapter today! Here's the new setup. I've done away with the 75-300 and directly mounted the kit. The ring flash now has a flexible (via twist-tie) LED guide light (I used blue cuz I didn't have a white one around) for focusing when it's dark and the duct can now be folded for easy carry or storage. Sample pics below. My father also dug up a cctv manual focus 12.5-75 f/1.8 screwmount by Toyo Optics! A very nice reverse lens for macro. :D Now if I can only find a way to get it to work the regular way...


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kenliu2610
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Oct 19, 2006 03:41 |  #41

wow!! That's awesome!!


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jcw122
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Nov 15, 2006 23:29 |  #42

Never got around to making one on my 580EX to see how that was...

Bump for awesome idea.


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jcw122
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Dec 03, 2006 12:59 |  #43

mxwphoto, I'm sorta confused, what is the ratio between the red and blue marks? is it 2:1? Which is 2 and which is 1?


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mathie
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Dec 03, 2006 13:48 |  #44

Wow, this is cool, good for studio shots but I would not carry it outside :)


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jcw122
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Dec 03, 2006 14:38 |  #45

Well, I'm almost done making one for my 580EX....I was confused with the mxwphoto's skematics...so instead of angles in my ring, I made it circular.

I'm almost done, but I'm having trouble figuring out how to make this 90* angle.


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DIY Macro Flash ring using BUILT IN flash!
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