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[OM] Re: E1 ultrasonic sensor dust removal

Subject: [OM] Re: E1 ultrasonic sensor dust removal
From: hiwayman@xxxxxxx (Walt Wayman)
Date: Wed, 28 Jul 2004 18:53:21 +0000
How quaint and primitive seems to be the notion of getting a fresh and clean 
light receptor, like a new sheet of paper on which to write, with each flick of 
the film advance lever or, in my case, every whir of the motor drive.  Caveman 
at work here.  :-)

Walt

--
"Anything more than 500 yards from 
the car just isn't photogenic." -- 
Edward Weston


-------------- Original message from Winsor Crosby : -------------- 
> 
> Our eyes do not have near the resolution needed to see dust on the 
> sensor that can make shadowy blobs in the picture. That is not too bad 
> though. I checked mine recently after my Alaska trip and noticing a 
> couple of blobs that I had to clone out. When I did the same check 
> there must have been 20 or 30 blobs, but none so big as yours. But they 
> were stuck tight. Had to wet clean it 3 times to get it reasonably 
> clean, but not perfect. 
> 
> 
> 
> Winsor 
> Long Beach, California 
> USA 
> On Jul 28, 2004, at 11:22 AM, W Shumaker wrote: 
> 
> > I did not have blue sky today, so I shot close to my monitor with lens 
> > on infinity and here is what I got. (down sampled and heavy contrast 
> > via levels in PS) 
> > 
> > http://www.zuik.net/om/_3013441.jpg 
> > 
> > The overall variation is probably the LCD monitor, but there are three 
> > artifacts present. But looking at the sensor with camera on Bulb I do 
> > not see anything. 
> > 
> > Wayne - surprised 
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