Compatibility with an SLR camera depends entirely on the lens used, as SLR cameras have interchangeable lenses. The simplest solution is to use the Optic with the following:
A zoom lens makes image adjustment easy. The added weight of our Optic may tend to backdrive the zoom when pointed vertically. A thick rubber band works great to hold the zoom in place. (No need to engineer a special clip...A rubber band is soft, won't scratch your lens, has a good grip, and highly adjustable!)
We believe this setup is the best of all methods. It will require a little experimentation on your part, but once you get the desired setup, it should perform very well.
Here is a paper test cone you can make to test the focus and zoom of your lens(es).
We are compiling a database of SLR camera/lens combinations. We ask our users to report back with the best combination for their setup.
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