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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 02 Nov 2010 (Tuesday) 14:42
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adapting small pin halogen lights to Edison?

 
dmward
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Nov 02, 2010 14:42 |  #1

Somewhere on the forum I saw reference to this and can't find it.
I am looking for an Edison socket adapter that will permit me to plug in the small 120 v halogen lamps.
This will solve the problem with modeling lights protruding too far from the socket for the PLM V2 mount to work with the modeling light in place on Genesis (and Maybe Elinchrom) monos.


David | Sharing my Insights, Knowledge & Experience (external link) | dmwfotos website (external link)

  
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Hermes
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Nov 02, 2010 14:44 |  #2

This is a UK version. http://cgi.ebay.co.uk …nt_RL&hash=item​3a5d66a6e1 (external link)

If you do a search with the same keywords I'm sure you'll find a US equivalent.




  
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TMR ­ Design
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Nov 02, 2010 16:23 as a reply to  @ Hermes's post |  #3

Is this what you're looking for, David?

http://www.bhphotovide​o.com …_23101_2_Pin_La​mp_to.html (external link)


Robert
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dmward
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Nov 02, 2010 17:11 |  #4

Robert, that looks like it.
The problem with the genesis lights and the PLM V2 mount is that it offers a 2 inch clearance.
Not sure if that adapter and the bulb will protrude from the modeling light fitting less than 2".
And it seems no one keeps that kind of thing in stock.

For the price I'll probably get one to see how it works.

Thanks. (You too Hermes)


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tetrode
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Nov 02, 2010 17:57 |  #5

dmward wrote in post #11211986 (external link)
Somewhere on the forum I saw reference to this and can't find it.
I am looking for an Edison socket adapter that will permit me to plug in the small 120 v halogen lamps.
This will solve the problem with modeling lights protruding too far from the socket for the PLM V2 mount to work with the modeling light in place on Genesis (and Maybe Elinchrom) monos.

There's another way to do this without using the pricey Edison-to-bi-pin adapter. Some time ago, I bought a used Elinchrom 600RX from a seller in Canada. Who knew Canadian Elinchroms use Edison base rather than bi-pin base modeling light bulbs? I didn't. Anyway, the light looked like this when it arrived:

IMAGE: http://farm5.static.flickr.com/4056/5140639975_21f6eaebd9_o.jpg

My US-purchased Elinchroms have small bi-pin halogen modeling light bulbs. I swapped out the stock bulb for a small bi-pin with integral Edison base:

IMAGE: http://farm2.static.flickr.com/1131/5140640077_8351431a1c_o.jpg

As you can see, the replacement Bulbrite bulb is significantly shorter than the stock bulb. In either case, using a PLM V2 cage is a non-issue:

IMAGE: http://farm2.static.flickr.com/1371/5140639871_140a48d3c3_o.jpg

The short halogen costs $5.22:

http://lightbulbempori​um.com …ite_612150_q150​cl_e26.asp (external link)

Dave F.



  
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tetrode
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Nov 09, 2010 20:18 |  #6

TMR Design wrote in post #11212592 (external link)
Is this what you're looking for, David?

http://www.bhphotovide​o.com …_23101_2_Pin_La​mp_to.html (external link)

Old(ish) thread, I know, but I stumbled on this earlier today:

http://www.mpex.com/br​owse.cfm/4,1094.html (external link)

Pricing mistake? If you need one, maybe now's the time to pounce ...

Dave F.




  
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Nov 09, 2010 21:04 |  #7

tetrode wrote in post #11255969 (external link)
Old(ish) thread, I know, but I stumbled on this earlier today:

http://www.mpex.com/br​owse.cfm/4,1094.html (external link)

Pricing mistake? If you need one, maybe now's the time to pounce ...

Dave F.

Thanks for the heads up Dave, but I have no need for that adapter. :D


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dmward
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Nov 09, 2010 21:37 |  #8

Dave,
I was the one looking for the adapter.
Problem is that on the Genesis the adapter plus the bulb are still more than the 2" that is available between the Edison socket in the Genesis and the Elinchrom mount for the V2 PLM. At least based on my computations from the specs.


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Nov 09, 2010 21:39 |  #9

dmward wrote in post #11256374 (external link)
Dave,
I was the one looking for the adapter.
Problem is that on the Genesis the adapter plus the bulb are still more than the 2" that is available between the Edison socket in the Genesis and the Elinchrom mount for the V2 PLM. At least based on my computations from the specs.

So the PLM with Elinchrom cage is designed to work with the low profile 2 pin modeling lamp but anything more than that is dangerously close or doesn't fit?

EDIT: If I recall, the socket for the modeling light on the Genesis lights isn't recessed like on the Elinchrom strobes and that's the problem, correct?


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dmward
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Nov 09, 2010 22:37 |  #10

Correct.
It extends forward about an inch and a half. Maybe more.

I suspect that PCB designed the Elinchrom adapter based on the clearance required for an Elinchrom modeling light on an Elinchrom strobe.

I have two 300B Genesis lights that are nice, cheap and with batteries. I like the PLM modifiers.
Fortunately I found some 40 watt round bulbs that work. The 40 watts is sufficient although more would be nice.

When the next two E640s arrive I may retire the Genesis. They are relatively big and the digital power adjustment is not linear. Minor disadvantages. And, I would not loose sleep if they were wrecked during a location shoot. :-)


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tetrode
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Nov 10, 2010 00:08 |  #11

dmward wrote in post #11256374 (external link)
Dave,
I was the one looking for the adapter.
Problem is that on the Genesis the adapter plus the bulb are still more than the 2" that is available between the Edison socket in the Genesis and the Elinchrom mount for the V2 PLM. At least based on my computations from the specs.

Yes, I know it was you, Dave. and not Rob that was having this issue. I owned Genesis lights so I do understand the problem. The Genesis modeling light socket is mounted outside of the strobes casing:

IMAGE: http://farm4.static.flickr.com/3136/2312517857_604cee3cf4_o.jpg

The Elinchrom modeling light socket is recessed inside the strobe's casing.

Even with the extension resulting from the external socket, I do think one of the smaller halogen bulbs with Edison base might just fit inside the PLM V2 cage.

What do you think:

IMAGE: http://farm5.static.flickr.com/4111/5163570276_768973c28e_o.jpg

Dave F.



  
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dmward
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Nov 10, 2010 00:13 |  #12

Dave,
What is the length from the bottom of the adapter (the top of the threaded area) to the tip of the bulb?
When I measured the PLM mount on the Genesis it was 2" from the top of the modeling light socket to the screw head on the PLM adapter.

Thanks.

PS and if its less than 2 inches what are the product numbers and where did you order them? :-)


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tetrode
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Nov 10, 2010 09:46 |  #13

dmward wrote in post #11257063 (external link)
Dave,
What is the length from the bottom of the adapter (the top of the threaded area) to the tip of the bulb?
When I measured the PLM mount on the Genesis it was 2" from the top of the modeling light socket to the screw head on the PLM adapter.

Thanks.

PS and if its less than 2 inches what are the product numbers and where did you order them? :-)

IMAGE: http://farm5.static.flickr.com/4008/5164470322_a561990766_o.jpg

Bulb info is in a prior post above.

Dave F.



  
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adapting small pin halogen lights to Edison?
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