316 Technical NotesCompatible Non-CPU LensesNon-CPU lenses may only be used when the camera is in modeM. Selecting another mode disables the shutter release.Aperture must be adjusted manually via the lens aperture ringand the camera metering system, i-TTL flash control, and otherfeatures requiring a CPU lens can not be used. Some non-CPUlenses can not be used; see “Incompatible Accessories andNon-CPU Lenses,” below.Camera setting Focus mode Shooting modeLens/accessory AFMF (withelectronicrangefinder) MF MOthermodesAI-, AI-modified NIKKOR or NikonSeries E lenses — z 1 z z 2 —Medical NIKKOR 120mm f/4 — z z z 2, 3 —Reflex NIKKOR — — z z 2 —PC NIKKOR — z 4 z z 2 —AI-type Teleconverter — z 5 z z 2 —PB-6 Bellows FocusingAttachment 6 — z 1 z z 2 —Auto extension rings (PK-series11A, 12, or 13; PN-11) — z 1 z z 2 —1 With maximum aperture of f/5.6 or faster.2 Exposure indicator can not be used.3 Can be used at shutter speeds slower than flash sync speed by one step or more.4 Can not be used with shifting or tilting.5 With maximum effective aperture of f/5.6 or faster.6 Attach in vertical orientation (can be used in horizontal orientation once attached).