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Overview: The Sony HVL-F20S flash is designed for use
exclusively with Sony cameras with the Smart Accessory Terminal. The flash is
powered by the camera's battery, so there is no need for a separate flash
battery. The flash turns on and off by raising and lowering the flashtube.
Compatibility: The HVL-F20S is compatible with Sony
α NEX-series cameras, including the NEX-3,
NEX-5, and NEX-C3.
Bounce Switch: The left end of the flash tube can be turned clockwise
to the Bounce position the flash light is set at 75° upward so it can bounce off
of a ceiling or wall to soften shadows. If the switch is turned
counter-clockwise to the Direct position, the flash is aimed directly at the
Tele Switch: The right end of the flash tube can be turned
counter-clockwise to the Tele position to extend the flash beyond its normal
range. This is helpful in outdoor shooting when the subject is too far from the
camera to be reached by normal flash. Flash range in standard position is
equivalent to 16mm focal length range (35mm equivalent: 24mm), while the range
in the tele position is equivalent to 35mm (35mm equivalent: 50mm). The Tele
switch is only enabled when the Bounce switch is in the Direct position.
Wide Panel: Included with the HVL-F20S is a wide panel light diffuser,
which attaches over the lens of the flash. The wide panel is especially
effective when used with the separately purchased Ultra Wide Converter, which is
equivalent to 12mm focal length range (35mm equivalent: 18mm).
- Flash Interval: 0.1 to 5 seconds
- Flash Control: Pre-flash light metering
- Flash Range (F 2.8, ISO 1600):
- Standard Position: 1-20 meters
- Tele Position: 1-28 meters
- Wide Panel Attached: 1-10 meters
- Dimensions: 2.361"W, 1.626"W, 2.614"D
- Weight: 2.3 ounces