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Flash units SB-N5 (0 59): The SB-N5 has a Guide Number of 8.5/27.9
(m/ft, ISO 100, 20 °C/68 °F; Guide Number at ISO 200 is 12/
39.4). When mounted on the Nikon 1 V1, it supports i-TTL
and manual flash control (0 148).
A
Guide Number
To calculate the range of the flash at full power, divide the
Guide Number by the aperture. For example, at ISO 100 the
SB-N5 has a Guide Number of 8.5 m or 27.9 ft (35 mm zoom
head position); its range at an aperture of f/5.6 is 8.5÷5.6 or
about 1.5 meters (or in feet, 27.9÷5.6=approximately 5 ft).
For each twofold increase in ISO sensitivity, multiply the
Guide Number by the square root of two (approximately
1.4).
Power sources • Rechargeable Li-ion Battery EN-EL15 (0 12–15): Additional
EN-EL15 batteries are available from local retailers and
Nikon-authorized service representatives.
• Battery Charger MH-25 (0 12): Recharge EN-EL15 batteries.
• Power Connector EP-5B, AC Adapter EH-5b: These accessories
can be used to power the camera for extended periods
(EH-5a and EH-5 AC adapters can also be used). An EP-5B
power connector is required to connect the camera to
the EH-5b, EH-5a, or EH-5; see page 166 for details.