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How to set eyepiece Sankyo XL-400s


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#1 Jerry Kokich

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Posted 04 October 2010 - 06:55 PM

I just picked up a Sankyo XL-400s camera and I'm asking a neophyte question. How do I set the eyepiece? I mean, I know what to turn and all, but what am I going for? It's a split-image focusing screen; am I going for a solid line, two perfect half circles? Please help this unknowing one.
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#2 Bruce Taylor

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Posted 04 October 2010 - 07:43 PM

I just picked up a Sankyo XL-400s camera and I'm asking a neophyte question. How do I set the eyepiece? I mean, I know what to turn and all, but what am I going for? It's a split-image focusing screen; am I going for a solid line, two perfect half circles? Please help this unknowing one.
J


Generally, you adjust the eyepiece dioper setting so the marks or delineations on the focusing screen are in focus to your eye with no eyestrain. It is not as clear cut as with an actual groundglass.

Once that's done you can get to the business of focusing the lens. It's easiest to put some sort of edge or line across the center of the split at your intended focus distance, when it is an unbroken line again you're in focus (provided the rest of the camera is properly set up, of course). Also, always zoom in to full telephoto to focus and then zoom back out to your intended frame. Makes focus easier to see.
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#3 Jerry Kokich

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Posted 11 October 2010 - 12:38 AM

Generally, you adjust the eyepiece dioper setting so the marks or delineations on the focusing screen are in focus to your eye with no eyestrain. It is not as clear cut as with an actual groundglass.

Once that's done you can get to the business of focusing the lens. It's easiest to put some sort of edge or line across the center of the split at your intended focus distance, when it is an unbroken line again you're in focus (provided the rest of the camera is properly set up, of course). Also, always zoom in to full telephoto to focus and then zoom back out to your intended frame. Makes focus easier to see.


That makes sense, and it seems to work. Now, for some test footage! I'll keep you posted!
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#4 Mark Dunn

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Posted 11 October 2010 - 01:31 PM

Be careful with the split image as it's easy to mistake the straight line. It varies a bit as your eye accommodates.
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