The YS-250PRO is designed for demanding
professionals, packed with revolutionary new
features to meet the challenges of digital
photography. A large circular arc tube emits a
powerful flash at guide number 32 (its value on land,
ISO 100/m) when power is set to FULL. It provides
incremental manual flash power adjustment in 12
steps for graduations of light.
The YS-250PRO is
lightning fast: it recycles in 1.8 seconds. Its
high-capacity Ni-MH battery, designed exclusively
for the strobe, stores enough power when fully
charged for 200 full flashes.
A high-luminosity white
LED target light in the center of the strobe shows
precisely where the strobe is pointed, and a ready
lamp and a TTL confirmation lamp on each side of
the strobe indicate when the strobe is charged and
when it has been controlled by the camera’s TTL. An
audible signal sounds when the lamps light so you
can concentrate on your subject in the viewfinder.
- Guide Number (ISO 100, Land): 32
- Beam Angle: 105 x 105° with circular flash tube (w/o diffuser)
- Recycle time (full): 1 second
- Number of flashes (full): 260
- Color temerature: 5600°K, 5200°K with diffuser
- Compatible with Nikon iTTL and Canon E-TTL when used with a
TTL converter
- 12-step manual exposure conrol: GN1-32
- Slave function
- Pre-flash control: cancels up to two pre-flashes
- Equipped with fiber-optic cable sockets
- Eqluipped with LED target light
- TTL confirmation lamp and ready lamp are located on both sides
of the strobe . An audible signal sounds when the lamps light.
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