On Dec 30, 2010, at 4:29 PM, Charles Robinson wrote:

> I have a split-screen KatzEye which I'd originally ordered for my DS, then 
> used in my K10D for a while.  I removed it from the K10D when I got the K7.  
> If you're interested in a deal on "the real thing" just let me know.

Thanks, Charles. I'll keep in mind in case I do decide to go that route.

> With "Open Aperture" metering, the lens stays wide open even as you adjust 
> the f-stop settings, and the camera is told what the lens is going to stop 
> down to and adjusts accordingly.  The aperture is only actually stopped down 
> when you make the exposure.  Your viewfinder stays bright and it's easy to 
> focus.
> 
> "Stopped down" metering means that when you twist the f-stop ring, the lens 
> stops down RIGHT NOW.  The camera makes its exposure decisions at all times 
> based on the actual amount of light coming through the lens.  Small 
> aperture=dark viewfinder=trickier focus.  Especially in dim-light conditions.

Now I understand the differences, and why "open aperture" would be preferable 
if using a split image focus screen. And I know how you do "open aperture." Are 
there other advantages to "open aperture"?

Don't understand how you do "stopped down" or what the advantage is. 

------------------------------------------------------------------------------------------
Eric Weir
Decatur, GA  USA
[email protected]





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