Microfilmmaker Magazine - Tips & Tricks - How to Build a 35mm Lens Adapter for Nikon Lenses, Pg. 2 of 3


	Build a 35mm Lens Adapter, Pg. 2

Asian Spacer Ring with 58mm thread
Length = 1.5” (ca. 38.1mm)
Suggested sites:
http://www.camerafilters.com (or search on Ebay)

Close Up Lens or Macro Lens +7 or +10 with 58mm thread
For better quality you should consider to buy a good achromatic diopter made of two elements. With cheap close up lenses you will get chromatic aberration and strange effects on the edges. (Or make one yourself with my DIY article that’s reprinted here.) For camcorders with small lens diameters < 43mm (such as a Panasonic GS400), you won’t need a close up lens.

Step Up Filter Ring
Depends on your camera filter thread!
(For example, on a Panasonic GS400 it would 43mm to 58mm)
Suggested sites:
http://www.camerafilters.com (or search on Ebay)

Circular Polarizing Filter 43mm (not necessary)
Buy the cheapest circular polarizing filter that can be rotated.
Take out the glass and mount it to your camera. With this filter you can now rotate the whole adapter to position your SLR-Lens showing the focus and aperture numbers upwards.

If you use a circular polarizing filter on your adapter, you may want to consider using a support rod system, because the polarizing filter and your camera lens thread may not be able to hold the whole weight of the adapter + SLR lens without breaking apart.

How to make the Vibrating part:

Glue the Canon focusing screen with silicone or hot glue into the gg-holder. (Pin is on the left side.)

The matte side of the focusing screen should face your camcorder lens and the glossy side the Nikon SLR-Lens! Its enough to put only one drop of hot glue on each corner. The vibrating motor is glued on the back of the ggholder. The motor has a sticky tape on it that will be enough to hold it in place you wont need any glue.

(Don’t use super glue or the gasses will destroy your focusing screen!)

Take the longest extension ring (normally its marked with number 3) and drill a hole in its side.

The gg-holder comes this way into the Extension ring 3. Before you glue the gg-holder with hot glue into the extension ring read my tutorial about positioning and focal flange to get things right.

For Nikon lenses the focal flange is 46.5 mm. But by using a Canon Ee-S / Ee-A focusing screen you have to shorten the focal flange to 45mm because the matte side is facing the camcorder lens. If you don’t do this you wont get infinity focus right.

(To read my graphic tutorial on positioning the gg-holder into the macro tubes, download the .zip file that includes it at the end of this article.)