How to set the aperture on Nikon RF 2.8cm F3.5?

[shawninus]

Hi, all,
I am a newbie to RF, but I got a Zeiss Ikon Contax IIIa a few days back. It comes with 2 lenses. One of them is a Nikon

[FONT=Trebucht MS, Arial, Helvetica]Nikon RF W-Nikkor.[/FONT][FONT=Trebucht MS, Arial, Helvetica]C[/FONT][FONT=Trebucht MS, Arial, Helvetica] 1:3.5 f=2.8cm [/FONT]

How to set the aperture on Nikon RF 2.8cm F3.5? I could not figure out. Please help. Thanks in advance.

The other lens is sonnar 5cm F1,5. I could figured this one easily.

 

[Highway 61]

You grab the focusing ring and then turn the very front ring of the lens, then align the aperture numbers indexes with the fixed mark.

This is a truly excellent lens. On the Contax IIIa you need an external 28mm finder to compose.

 

[shawninus]

Thank you, Highway_61!
Now I know the trick! 🙂