Your very mistaken on that, the cam sensor is nothing
but a simple potentiometer and a spring to hold it snugly
against the cam. The IS also needs the motion
sensors/interface which you neglected to mention
and needed software for the IS is much more
complex too. There is no way that the IS is cheaper
or even the same price as the cam sensor would be.
jco

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Adam Maas
Sent: Friday, November 24, 2006 9:56 AM
To: Pentax-Discuss Mail List
Subject: Re: Pentax 1.8 85mm


Actually, its much more complex mechanically than Pentax's SR system
(although it's less complex than Sony/Minolta's). The Pentax SR system
is two plates, one of which floats on magnets and is controlled by
strategically placed electromagnets. Essentially the moving parts are
the plate (which holds a circuit board) and the cable which connects the
circuit board to the rest of the camera. That's it. It's an exercise in
elegant engineering.

-Adam 



J. C. O'Connell wrote:
> Yes, its technically an assembly, not a part.
> And its way way simpler than IS, which they
> are current only asking $100 more for (retail) than
> the body without IS. Thats why I stated I
> bet that it wouldnt add more than $50 to
> the retail cost of the body and thats being
> generous to Pentax...
> JCO
> 
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf 
> Of Mark Roberts
> Sent: Friday, November 24, 2006 7:33 AM
> To: Pentax-Discuss Mail List
> Subject: Re: RE: Pentax 1.8 85mm
> 
> 
> [EMAIL PROTECTED] wrote:
> 
> 
>>So the $5 part is now a $50 part?
> 
> 
> For the record, it's several parts, not one. The people at Pentax I've
> heard from estimate that the parts and associated additional assembly 
> complexity add about $25.00-35.00 to the cost of a camera.
> 
> 



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