[OM] Re: Scary moment

Subject: [OM] Re: Scary moment
From: Nathan Wajsman <photo@xxxxxxxxxxxxxx>
Date: Tue, 9 Sep 2008 07:35:38 +0200
Mike, I only use the adapters from Stephen Gandy  
(www.cameraquest.com). Every time I have tried another brand, they  
have turned out to be cheap junk. IMO you get what you pay for.


Nathan Wajsman
Alicante, Spain

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On Sep 7, 2008, at 8:46 PM, Mike wrote:

> This morning while taking some photos with the 135/4.5 mounted on my
> E510 on tripod. I suddenly found myself holding the lens and extension
> tube in my hand. The three screws that hold the adapter together came
> loose and the lens just fell off.  Beware! Luckily I was focusing at  
> the
> time and caught the lens before it hit the deck. These tiny screws
> extend an extremely short distance into the soft aluminum so it will
> take very little stress to strip them out. I'll have to rethink  
> mounting
> the 300/2.8 via these adapters from jinfinance. Perhaps I can drill  
> and
> tap for larger diameter and longer screws. In the meantime I  
> reassembled
> the adapter and the threads seemed to bite but a little too much  
> torque
> will easily break them loose. Definitely do not stress this joint.  
> Check
> those screws folks.
> I also wonder if all adapters are created equal. Maybe some of you  
> could
> pull a screw and take a look at the size. I'd like to know if other
> manufacturers make a more sturdy product. FWIW these screws mic @  
> 1.3mm
> diameter x 2.4mm length
> Mike
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