Archived posting to the Leica Users Group, 2000/11/09

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Subject: Re: [Leica] mechanical shutters
From: "Ravinder Walia" <ravinder_walia@hotmail.com>
Date: Thu, 09 Nov 2000 11:13:36 EST

As an IC designer albeit for mobile phones rather than cameras, I agree. 
It's IC's that are the problem and not discretes. Alot of the time discretes 
can be substituted and even barnacled. You can't do that with IC's. I had a 
Canon A1 that developed a fault with an IC, though I had got more use out of 
that camera than I can believe. However, after putting that many rolls of 
film through any camera as an amateur it hurts when they die.

Rav.

- ----Original Message Follows----
From: FIGLIO4CAP@aol.com
Reply-To: leica-users@mejac.palo-alto.ca.us
To: leica-users@mejac.palo-alto.ca.us
Subject: Re: [Leica] mechanical shutters
Date: Thu, 9 Nov 2000 09:44:19 EST

In a message dated 11/8/00 6:41:10 PM Eastern Standard Time,
summarex@yahoo.com writes:

<< While it makes sense at first, defending the mechanical shutter as more
  reliable in the long term than
  the electronic one is like like claiming that an old adding machine is 
more
  reliable than a pocket calculator. It isn't. >>

I think the real issue is the long-term availability of the integrated
circuits, not that of individual transistors or diodes. These circuits do
fail, although not very often.
Bob Figlio

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