Nikon 25414 D2Xs User's Manual - Page 284
Battery Life, Case 1
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Technical Notes-Specifications Battery Life The number of shots that can be taken with an EN-EL4a battery varies with the condition of the battery, temperature, and how the camera is used. Case 1 At room temperature (20 °C/68 °F), approximately 3800 shots can be taken with a fully-charged (2500 mAh) EN-EL4a battery and an AF-S VR 70-200 mm f/2.8G IF ED lens (VR off) under the following standard Nikon test conditions: continuous highspeed shooting mode; high-speed crop mode off; continuous-servo autofocus; image quality set to JPEG Normal; image size set to Large; shutter speed ½50 s; shutter-release pressed halfway for three seconds and focus cycled from infinity to minimum range three times; after six shots, monitor turned on for five seconds and then turned off; cycle repeated once exposure meters have turned off. Case 2 At room temperature (20 °C/68 °F), approximately 1150 shots can be taken with a fully-charged (2500 mAh) EN-EL4a battery and an AF-S VR 24-120 mm f/3.5-5.6G IF ED lens (VR off) under the following standard Nikon test conditions: single-frame shooting mode; high-speed crop mode off; single-servo autofocus; image quality set to JPEG Normal; image size set to Large; shutter speed ½50 s; shutter-release pressed halfway for six seconds and focus cycled from infinity to minimum range once with each shot; after each shot, monitor turned on for two seconds and then turned off; cycle repeated once exposure meters have turned off. The following can reduce battery life: • Using the monitor • Keeping the shutter-release button pressed halfway • Repeated autofocus operations • Taking NEF (RAW) or TIFF (RGB) photographs • Slow shutter speeds • Using optional WT-2/2A or WT-1/1A wireless transmitters To ensure that you get the most from rechargeable Nikon EN-EL4a batteries: • Keep the battery contacts clean. Soiled contacts can reduce battery performance. • Use batteries immediately after charging. Batteries will lose their charge if left un- used. 270
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