5700K). Of course, being able to shoot
HSS so easily is a huge benefit, as is the
ability to steplessly dial in adjustments.
Importantly, the unit and the transmitter
are extremely easy to use, and the
transmitter has a micro USB port for
user-installable firmware updates.
WHAT WE DIDN’T LIKE
Recycle times can’t be
fast enough, especially when
photographing dancers, and I found
that I had to really pace myself to wait
for the S1’s beep to sound when it was
recharged. At between 2 to 3 seconds
(the latter for full power), the S1’s
recycle times weren’t bad but I’d prefer
a shorter wait between shots.
The modeling light offered only
three options: off, 50 percent and 100
percent, while I’d love to be able to
manually dial the power up and down.
The battery, which comes with its own
HOW IT COMPARES
power adapter for charging, has to be
removed from the unit and charged
separately. When queried about why
the battery cannot be charged in the
unit when the light is in AC power
mode, Interfit explained that doing so
would negatively impact the longevity
of the battery since the battery
would be “continuously charged and
discharged.” That makes total sense
and it’s certainly worth the 10 seconds
it takes to remove the battery for
Despite some nitpicks here and
there, we think that Interfit’s S1 will
find its way into lots of photographers’
kits for both location and in-studio
Given its multiple power options,
TTL and HSS in a single package, the
Interfit S1 Flash is a solid option that
fits neatly between battery-powered
monolights like the $2,000 Profoto
B1 500 Air TTL and Flashpoint’s
$600-priced Rovelight 600.
While the Interfit S1a, with AC
power only, is a good value at $600,
the S1 offers a lot more flexibility
and bang for the buck.
Theano Nikitas, a full-time freelance
writer, has been covering photography
for over 20 years. She pens our
PhotoForward Tech Tuesday blog posts
and, although she loves digital, she still
has a darkroom and a fridge filled with
film, thanks to her long-time passion for
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