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disappointed with the WO 0.8x III
Bought this flattener hoping to eliminate some of the eggy stars in the corners of images with my SW ED80 Pro and 30D DSLR. As you can see from the attached image, there doesn't seem to be much improvement. It's just a single sub for the purposes of this post only.
The way I used it was:
ED80 -> WO 0.8x III -> EOS adapter -> 30D
It's been suggested that sometimes the distance between sensor and flattener is critical and may need specific spacers to see the benefit. Can anyone confirm what this distance would be and how/where to get the correct spacers?
Or is it perhaps that 0.8x is not enough and I need a 0.6x or something?
Any other ideas?
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