3. Confirm the in·foeus indicator lights up , then fully depressthe shutter release button.• The foeallengths that can be used with the AF illuminator andAF Nikkor lenses are as follows :F· 501IN2020:F4 , F· B01INBOO8, F·401sIN4004s :Range35mm to 105mm24mm to 105mm• The focusing range with an AF Nikkor 50mm f11 .B for ageneral subject with 35% reflectance at normal temperaturesis approx. 1m to Bm (3.2ft to 26.2ft).For greater depth of fieldIn programmed TTL auto flash photography, use film witha speed specified in the table below'Maximum lens aperture Film speedLens only 1/2.B or laster ISO 50 or higherSlower than 1/2.B ISO 100 or higherF·501/N2020 1/1.4 or 1/1 .2 ISO 50 or higherwith TC·16AS 1/1.B, 1/2 , 1/2.5 or 1/2 .B ISO 100 or higherIn other flash operation modes, set the lens aperture asfollows :Maximum Aperture settinglens aperturefl2 .B laster 1/2 .B or larger I·numberLens only (fJ2 .B, 1/4, 1/5.6, etc.)Slower than 1/5.6 or larger I·number1/2 .B (1/5.6, fiB, 1111 , etc.)1/1.4 or 1/1 .2 1/2 or larger I·numberF·501/N2020 with (1/2, 112.B, 1/4 , etc .)TC·16AS 1/1 .B, 1/2, 1/2.5 fl4 or larger I·numberor 1/2 .B (1/4,1/5.6, liB etc.)Note: With Nikon F4, F·B01INBOOB or F·401s IN4004s,sets the lens aperture to (12.B or slower.65