Shaving a Nikon 10.5/2.8 Fish-eye Lens

Thomas K Sharpless, 12 December 2013

I make no claim to originality; lots of people have done this, and I have taken the advice and example of many of them. The only unusual thing is that I left a small “petal” at the center of each of the original large petals, to hold the lens cap slightly away from the glass surface.

Since I have a small machine shop and none too steady hands, I have used a little jeweler's circular saw mounted in a milling machine to do most of the cutting, with the lens set in a simple fixture that lets it turn smoothly. Step by step....

Here is the finished product, on a Novoflex NEX-NIK adapter, ready for the Sony A7r that hasn't arrived yet....