I think that you find the field much more open that you might initially imagine...but to your capable hands I surrender this idea for you to make your own.
RULES:
The Eligible Gallery: is for images captured with any camera, any brand, but during the Challenge period.
The Exhibition Gallery: is for images taken any time with any camera.
All other rules outlined in the Official Challenge FAQ apply. Challenge FAQ can be found here:
https://pbase.com/cichallenge/faq
If you are new and do not know the user id and password, please send an email to :
passes(--at--)imageattic.net
Please replace(--at--) with @ in the email address before you send it out.
One of the challenge administrators will contact you with that information, but please be patient.