Fresnel vs vulgaris
Lo cual comunico para general conocimiento y jolgorio del personal.
Si no recuerdo mal la nomenclatura PF es la que usa el Sr.Nikon para designar a los objetivos que incluyen por lo menos un elemento fresnel, como los faros de todas nuestras costas.
Confirmed: new Nikon Nikkor Z 600mm f/6.3 PF lens coming next week
I can now confirm that Nikon will announce a new Nikkor Z 600mm f/6.3 PF lens next week (previously reported here). The announcement will most likely be on Tuesday or Wednesday (on or around October 10th). I am not sure if this will be a development-only announcement. Here is what to expect:
Confirmed: new Nikon Nikkor Z 600mm f/6.3 PF lens coming next week
