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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 10 Jul 2018 (Tuesday) 23:28
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Godox bulbs - OK to touch?

 
mike_d
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Jul 10, 2018 23:28 |  #1

Specifically, the AD200's bare bulb.

Is it safe to touch them with a bare hand? I've always thought that was a no-no (like with halogen light bulbs) but videos show people installing/removing them bare handed. I skimmed the manual for the Flashpoint version and didn't see a warning against it.




  
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FarmerTed1971
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Jul 10, 2018 23:47 |  #2

That’s what the thick housing is for. I’ve grabbed them with no problem. The element is inside.


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jlafferty
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Jul 11, 2018 06:11 |  #3

Just don't touch the contacts/prongs and you're good.


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bobbyz
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Jul 11, 2018 08:22 |  #4

jlafferty wrote in post #18660409 (external link)
Just don't touch the contacts/prongs and you're good.

Why? I mean when the bulb is removed the strobe.


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Jul 11, 2018 09:35 |  #5

The outer glass is the protection around the bulb, so yes you can touch that part. Also the bulb isn't on continuously either so that helps.


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jlafferty
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Jul 11, 2018 11:02 |  #6

Transfer of oils from your hand to the metal - I'm told - reduces lifespan. I could be mistaken. This is also just my general practice regarding bulbs and all electronics - don't touch exposed metal contacts.

bobbyz wrote in post #18660452 (external link)
Why? I mean when the bulb is removed the strobe.


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Jul 11, 2018 11:11 as a reply to  @ jlafferty's post |  #7

Oil and sweat from hands can corrode contacts over time depending on the metal, or cause layers of oxidation.


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Post edited 9 days ago by Wilt. (4 edits in all)
     
Jul 11, 2018 11:55 |  #8

jlafferty wrote in post #18660556 (external link)
Transfer of oils from your hand to the metal - I'm told - reduces lifespan. I could be mistaken. This is also just my general practice regarding bulbs and all electronics - don't touch exposed metal contacts.


This 'no oils' thing was particularly applicable to very high light and heat output bulbs of the incandescent/halogen type...like projector bulbs and halogen lights in home lighting or automotive applications. Modelling light bulbs fall into this category, too. The lamp is sensitive to oils left by the human skin, if you touch the bulb with your bare hands the oil left behind will heat up once the bulb is activated, this oil may cause an imbalance and result in a rupture of the bulb.

Xenon tubes in photographic speedlights or studio strobes do fall into this caution, per instructions from photographic lighting equipment manufacturers. Both Paul Buff and the Adorama Flashpoint replacement tubes carry this no-oils caution on tube life, for example.
If there is a protective glass surround which encases the flashtube, the same cautions do not apply.

Videos showing people installing/removing them bare handed is an example of the poor practices and or ignorant behaviors propagated thru web postings by the uninformed!


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bobbyz
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Jul 11, 2018 14:57 |  #9

Oil thing from fingers is for the glass flash tube not the metal contacts.


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RDKirk
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Jul 12, 2018 13:06 |  #10

The tube itself is protected by the glass bulb. You can handle the Godox bulb (which prevents you from touching the actual tube), but avoid touching the metal contacts--those are still subject to skin oil/sweat/dirt leading to oxidation and grime.




  
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dmorse4765
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Jul 12, 2018 13:51 |  #11

Why not use a clean soft cloth, the flash tube and contacts should never be touched with bare fingers! Thin cotton gloves or clean cloth. If the tube or glass is hot you will remember more easily.




  
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TeamSpeed
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Jul 12, 2018 16:52 as a reply to  @ dmorse4765's post |  #12

You can't touch the tube easily....


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Godox bulbs - OK to touch?
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