For automatic diaphragm lenses with no coupling prong, su ch as the Zoo m-Ni kkor 200 -600mm f/9.5 lens a nd sup er-te lephoto lenses using Niko n foc using un its, se t t he camera to th e des ired shu tter speed; t hen, depress th e d ep th-of-ficld p review b u tto n to stop-dow n the lens di aphragm a nd, whil e h o lding th e bu tto n depressed, adjust th e a pertu re rin g until t he ce nter LED indicato r comes o n. Bc su re to release t he de pth -of-fic ld butto n pri o r to mak ing th e ex pos ure.
For bellows units, extension rings and preset lenses , set th e ca me ra to t he d es ired shu tte r spee d; t hen, sto p dow n th e lens ma nu a ll y until th e cen ter LED indicator comes o n. Preset-t y pe lenses in clud e PC- Ni kkor len ses.
