Hmmm ...
maybe that's to simplistic an approach ...
... but maybe there are some opthalmogists amoung the forum readers that could comment on this idea:
Would it be sufficient to wear good sunglasses (e.g. Ray-ban) that eliminate the bad portion of the sunlight when composing the picture?
I think these pieces were designed to allow you to look into the sun.
Regards,
Andy
)
