Quote:
Originally Posted by Frontieroptics
The Big easy performs at it's optimal with Denk eyepieces. I'm not surprised that the Pan 24mm vignet a little. This is not a problem with the binoviewer, in fact if you were to use the pan 24mm in another binoviewer system they would vignet more, For this reason I always recommend Denk 21mm for the Denk binoviewer.
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Frontieroptics:
The Panoptioc 24 gets vignetted because of the insufficient aperture of the binoviewer, and the long light path. No 20mm eyepiece will show vignetting in these units because the field stop is smaller ( Panoptic 19mm is the low power eypiece of choice for Binoviewing ) . Can you point to any special feature of the Denk 21mm that makes them specially suitable ?
Regards
Mark