The SB-29 and SB-29S ring lights are not TTL with digital bodies. You will need to experiment with the flash power, your ISO settings and aperture to get the right exposure. It's going to take a bit of work.
If you get the AF 60mm f2.8 D micro lens you will need to also buy the Nikon UR-3 adapter to mount the ring light on. This is necessary because the AF 60mm front tube which houses the elements extends quite far when focusing. The UR-3 connects around the outer lens tube which does not extend when focusing. If you use the AF 105mm f2.8D micro you don't need any addition adapters except the 62mm adapter ring that comes with the SB-29 kit.
I still have my SB-29 so if you have a question just add to this thread.
Fri 25-Apr-14 12:00 AM | edited Fri 25-Apr-14 12:24 AM by Leonard62
Here's the UR-3 adapter mounted on the AF 60mm f2.8D lens. The lens is at the ∞ setting.
This shows the lens focusing unit set to the minimum focusing distance. The focusing tube is now extended past the UR-3 adapter.
Here the SB-29/29S mounted on the UR-3 adapter. The lens can now focus throughout it's full range with no pressure placed on the focusing tube.
Here's a photo I just took with the above setup, a D7100 and the AF 60mm f2.8D lens.
The flash was set to M1/4 power. The camera was set to ISO 200, 1/200 sync speed and f22. The advantage of the SB-29S model is the power can be set to a lower output than the SB-29 model. That's really the only difference between the two.
The flower is ceramic and measures 5 1/2 inches across.
Tony, the UR-3 is in the SB-29S instruction manual. Yes it is optional but here is the warning of possible damage when using auto focus.
From the manual:
Note Other Nikkor lenses having a ring that rotates or moves forward or backward during AF operation may not autofocus correctly or may damage the lens or camera’s autofocus mechanism due to the weight of the main unit. Therefore, do not perform autofocus operation, but use manual focus instead. Micro-Nikkor lenses providing maximum benefits — AF Micro-Nikkor 60mm f/2.8D provides autofocus operation when the Adapter Ring UR-3 (optional) is attached to the lens and the SB-29s main unit is attached to the UR-3. — AF Micro-Nikkor 105mm f/2.8D or 105mm f/2.8 provides autofocus operation when the SB-29s main unit is attached to the lens using the provided ø62mm Adapter Ring (not ø52mm)
Tony, I just checked the barrel of my 60mm micro and I don't see any marks at all. The UR-3 is mounted on the barrel by turning a screw which moves in 3 plastic ridged plastic pads making it a pressure fit. The adapter doesn't rotate on the barrel. However I guess it depends on how often you use the adapter on the lens. Even though I've had the SB-29 and adapter since 2002, I stopped using it much in 2005 when I bought the Sigma ring light in order to get TTL for my digital body. So it wasn't used that often, maybe 30 times.
I don't think a filter would intrude. If you stack up a bunch of them, say a 6T, a polarizer and a couple of others, you can probably get into that situation. But with one, almost certainly not, and even with two, very unlikely. Past that, I dunno. The SB-29s works well with somewhat wider lenses (Sigma 50/f2.8) so there's a moderate amount of margin.
_____ Brian... a bicoastal Nikonian and Team Member
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