While looking for something in the depths of my backup hard drive I came across an old PDF from 2010 on how to attach a brass lens to a lens board. I've added it as a blog post which you can find here
Best wishes
John
While looking for something in the depths of my backup hard drive I came across an old PDF from 2010 on how to attach a brass lens to a lens board. I've added it as a blog post which you can find here
Best wishes
John
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