Quote Originally Posted by illumiquest View Post
I have and ancient CC Harrison full plate lens which I've been using for two years. It does a beautiful job when I use strobe but does have a ton of cleaning marks on it so outdoors it's very soft and hazy. I'm wondering if there's a good way of cleaning up these marks and making it more useable for natural light?
This isn't a DIY job unless you have a lot of skill and at least some experience. You would have to preserve the original radius of curvature while maintaining centration of the surface, to a tolerance of about nothing.