Nikon F 100 instruction manual Long Time Exposure, Diopter Adjustment/LCD Illuminator

Long Time Exposure

•This function is useful for shooting nighttime scenes or stars, which require extended exposure of more than 30 sec. The shutter will be open as long as the shutter release button is kept fully depressed. (Use of a tripod is recommended.)

1Rotate the Main-Command Dial while pressing the exposure mode button ∆ to select ¢ (Manual exposure).

• Use the LCD illuminator (page 63) to view the LCD panel in the dark.

2 Rotate the Main-Command Dial to select buLb and rotate the Sub-Command Dial to set the aperture.

•If buLb is selected in Manual exposure mode and the exposure mode is changed to Shutter-Priority Auto, buLb blinks and the shutter locks.

•Continuous exposure of approx. 4 hours is possible with a fresh set of alkaline-manganese batteries, and approx. 7 hours with lithium batteries. Note that continuous exposure time is reduced when shooting at low temperatures.

3 Compose picture, focus and shoot.

• The shutter will be open as long as the shutter release button is kept fully depressed.

• Use of the optional remote cord (page 94) reduces camera shake.

Diopter Adjustment/LCD Illuminator

•The finder diopter enables near- or far-sighted photographers to adjust the eyepiece diopter to suit their vision.

• Pull up and rotate the diopter adjustment knob while looking through the viewfinder until the focus brackets in the viewfinder appear sharp. The adjustable range of the finder diopter is –3m–1to +1m–1. Nine optional eyepiece correction lenses provide a viewfinder diopter range of –5 to +3m–1.

NOTE: Using the diopter adjustment knob

Since the diopter adjustment knob is located next to the viewfinder, be careful not to poke yourself in the eye with your finger or fingernail while rotating the knob.

•Displays in the LCD panel can be confirmed in the dark with the LCD

illuminator	Exposure
• Rotate the power switch to Œ. The exposure meter turns on and the LCD	Composition

panel is illuminated in green.

• The power switch returns to the “on” position when you remove your finger from the power switch, but illumination remains on as long as the exposure meter is on. Illumination turns off after shutter release.

·17: The illuminator can be set to come on when any button is pressed (page 74).

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