Re: [OM] Fwd: Darkside anyone?

[Chuck Norcutt]

Not too bad.  I'd guess that what's visible there at f/16 would not be 
visible at f/11.  I have a great deal of difficulty getting the 5D 
sensor squeaky clean at f/16 or higher without resorting to cleaning 
solutions so I generally don't bother.  I just use a brush.  Diffraction 
starts to intrude beyond f/11 so if it looks good at f/11 that's usually 
good enough for me.  I just avoid f/16.

Chuck Norcutt


Tom Fenwick wrote:
> Meant this to go to the list.
> 
> Tom
> 
> ---------- Forwarded message ----------
> From: Tom Fenwick
> Date: 9 May 2010 17:07
> Subject: Re: [OM] Darkside anyone?
> To: Frank Wijsmuller
> 
> 
> Well, there is something close to a blue sky today.  You can make your own
> assessment of the state of the sensor from this file:
> 
> http://www.pbase.com/tom_77/image/124357449
> 
> With a 28mm lens at close focus (0.25m) and f16.
> 
> Tom
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