In the early days of close-up Nikon shooting:

[DrEntropy]

"Extension tubes". No automatic diaphragm ability. Some charts were available for calculating exposure, but they were usually made with reference to specific lighting setups. Best method was to "shoot-soup-check" and make your own.

 

[GregW]

I have that set. Go into live mode and use the screen to set aperture and focus. If you haven't figured that out yet (old post and all).

 

[DrEntropy]

I have that set. Go into live mode and use the screen to set aperture and focus. If you haven't figured that out yet (old post and all).

I haven't used them since the F-2 days! With the DSLR's, the 55mm Micro and Vivitar 90, they became "excess to requirement."

Want another set?

 

[GregW]

That may be toooooooo close