What’s Old Is New Again

I have a new “gizmo,” purchased on eBay. Except that this small piece of photographic hardware isn’t really new. It’s used, discontinued by Nikon the manufacturer.

I won’t leave you guessing. The “gizmo” is a Nikon PN-11 extension tube. The great virtue of this extension tube, 55mm in length, is that it provides a tripod socket on a collar.

An important point in extreme field macros like the ones shown in this story, where the combination of a macro lens and extension tubes becomes very unbalanced. Mounting the assembly on the tripod at one of the extension tubes (rather than at the camera) helps provide a stable macro platform.

The downside of this extension tube is that I lose all automation. Well, the camera does still stop down the diaphragm. But I have to manually measure light and choose an exposure. Interestingly, my old spot light meter works just fine. Choosing the aperture with these kinds of photos is kind of a non-issue: I want to be as far stopped down as I can. So all losing the automation really means is that I have to set the shutter speed myself with the camera on manual. Thanks to instant LCD viewing, I can see whether my exposure was close enough, and correct things if there’s a problem.

Forthwith, one photo of a Lobelia bud, and two of Alyssum buds. If you know how small these flowers actually are, you’ll get some idea of how close I was thanks to my new (but old) tripod-mounting extension tube.

Lobelia

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Sweet Alyssum

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Alyssum Bouquet

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This entry was posted in Flowers, Photography, Water Drops.

3 Trackbacks

  1. […] tiny purple flower caught my attention. I photographed it with my extreme field macro rig, described here.

    This entry was posted

    on Wednesday, March […]

  2. […] d in any case. Next, I turned to the holly flowers shown below (this time with tripod and extreme close-up field rig). Yes, by golly, these holly flowers start out yellow, turn red, and then be […]

  3. By Spadix | Photoblog 2.0 on June 13, 2011 at 4:22 pm

    […] Photographed a few days ago in my garden using my new-old extension tube rig. […]

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