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My next-door neighbor Jennifer was kind enough to sit
for a headshot that I decided to convert to black and
white using The Imaging Factory's Convert to BW
Pro Photoshop compatible plug-in. For this portrait, I
kept the umbrella mounted backward and fired through it
to make the light somewhat directional, but not too directional.
Ambient light was very low (there was a storm outside)
and I was still able to get f/7.1 at about 1/4 power with
a shutter speed of 1/60 sec. (Canon EOS 10D, ISO 200,
and Canon 28-105mm lens at 105mm lens.)
Photos © 2003, Joe Farace, All Rights Reserved
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Photogenic's StudioMax
II is the kind of monolight I've been trying to find for a long
time. It's lightweight, powerful, and accepts battery power so
it can be used on locations where the nearest AC outlet is a city block
or county away.
Form Follows Function
The StudioMax II housing is small and oddly shaped; it's almost
as if they made the housing fit the components rather than stick them
inside a can, as with most monolights. Its 71/2" reflector has
a semi-quick change mechanism that allows it to be used with Photogenic's
eight optional reflectors or a lightbank. There's a place on the
reflector that appears to be a "knock out," allowing an
umbrella shaft to pass through to a thumbscrew holder on the unit's
housing. The rather complete manual calls it a "knock out,"
too, but after putting a small dent in the reflector trying to knock
it out, I realize it's more like a "pry-off."
Stand adapters are provided to let you mount the StudioMax II on light
stands that have 3/4" or 5/8" posts, and I'd suggest
making sure the adapter is very snug to keep it from falling out. As
part of the setup, you need to remove the flash tube and install a round,
flash bulb-shaped modeling light and when you do the flash tube wraps
around it like a Bill Goldberg bear hug. The modeling light is not proportional
with the StudioMax's continuously variable output control, but
that didn't bother me and probably not any of the users this light
is aimed at either. It's not that powerful anyway.
Controls are wonderfully simple for fast set up so you can begin making
images within seconds. A lever lets you tilt, then lock the StudioMax
II, holding it at the desired angle. The lever is located on the same
side of the housing as the stand attachment knob, which is something
the late Alphonse Chapanis in my Human Factors Engineering class told
me was a no-no. It's a bit awkward but you may not even notice
because the umbrella holder is on the other side.
A three-position slider lets you turn the unit off, flash only, or modeling
light and flash. A knob lets you set the output from 1/32 power to full
power, and anywhere in between so you can easily dial-up your favorite
aperture for a given shot. There is a built-in slave that disengages
when the PC cord is connected and Ready LED, but the Test button is
tiny, so you'll need to use your thumbnail to fire test shots.
In The Field
The StudioMax II AK320B comes with everything you need but a light stand
and light modifier, but that's easy to fix. The 10-foot sync cord
is kind of flimsy and way too short but will work until you have time
to get a proper heavy-duty and longer cord or just an extension cord.
In contrast, the AC power cord is tough and long. Snuggled next to the
AC connection is a DIN jack that lets you connect an accessory DC battery
pack so you can really take the light to any location--into the
middle of a football field if you want. Photogenic supplies a power
cord they say works with "most batteries," and to my eyes
it looked like a Quantum Turbo connection if ever I saw one, but I was
unable to get a battery pack from them before deadline to try this particular
feature. If you call Photogenic's customer service (800-682-7668)
they'll tell you what company's batteries are compatible
with the lights.
The first thing you notice about the 320 ws Photogenic StudioMax II
is that it's powerful for its compact size. Even at low power
settings I was able to work at relatively small apertures to maintain
critical focus. The specification sidebar has lots of details, but many
of you are interested in the age-old question, "What's the
guide number?" Using the standard reflector and measuring 10 ft
from the light, and under conditions where there was little possibility
of additional bounce from ceilings or walls, the StudioMax II produced
usable power over a range from f/2.8-f/16 at an ISO of 100.
When used with another unit, or even its less powerful sibling (see
sidebar), the StudioMax II is a wonderfully flexible and portable power
source for anything from full-length bridal photographs to group shots,
delivering enough depth of field so the person paying the bill (the
mother of the bride) will be in sharp focus.
Indoors working with an umbrella and occasionally a reflector, the lights
seemed a bit cool in color with a Canon EOS 10D set in Daylight or Electronic
Flash white balance. If pure color is important, as in product photography,
I'd get a Kodak white card (the flip side of the Gray Card is
white) and use your camera's custom white balance setting to get
the cleanest possible color. If you're shooting raw files, this
won't matter, but I prefer warm skin tones, so I shot some tests
with JPEG files at different color balance settings, ultimately preferring
these first test portraits and headshots at the Cloudy setting. Every
digital camera and film, too, for that matter has its own color bias,
so test the lights before a paying assignment.
The first group of images was headshots of my favorite model, my wife
Mary. I attached a 36" generic, cheapo white umbrella, which probably
lets as much light pass through it as it bounces back. My Gossen Luna
Star meter showed f/8.0 at 1/4 power with the light about 6 ft from
her and the Canon EOS 10D at ISO 200. See the captions for specific
technical details on these lighting tests. Then I worked with Amelia
C. Beonde to create a series of images where existing backlight was
important and the StudioMax II's power dial allowed me to find
the aperture I needed to balance the existing light. Through it all,
the StudioMax II delivered consistent power in a compact package. This
product should be on every location photographer's list of monolights
to check out.
For more information, contact Photogenic Professional Lighting by calling
(800) 682-7668 or visiting their website, www.photogenicpro.com.
Technical Specifications
Models: AK320 & AK320B
Flash Power: 10-320 ws (six f/stops)
Flash Duration: 1/120 sec at Full; 1/400 sec at 1/2;
1/840 sec at 1/4; 1/1660 sec at 1/8; 1/2900 sec at 1/16; 1/4800 sec
at 1/32
Recycling Time: 0.02-3 seconds
Power Control: Full to 1/32 range (six f/stops); 0.1
f/stop resolution
Modeling Light Power: 40w, 120 VAC
Modeling Light Control: On or off
Triggering: Built-in slave; Push to Test button; synchronization
jack
Power Supply: 105-125 VAC, 50/60 Hz, 3 Amp
Housing: Molded, high-impact, plastic case
Weight: 2 lbs, 8 oz
Dimensions: 5.25x5.25x7"
Price: $199.95 (AK320); $289.95 (AK320B)
Flash Tubes And Modeling
Lamps:
Flash Tube: Plug-in style, Photogenic Standard C4-12
only
Modeling Lamp: 40w, 120 VAC, 40S11N/1
Fuse: 3AG type, 8 Amp, SLO-BLO
Models: AK160 & AK160B
Flash Power: 5-160 ws (six f/stops)
Flash Duration: 1/175 sec at Full; 1/700 sec at 1/2;
1/1300 sec at 1/4; 1/2400 sec at 1/8; 1/4100 sec at 1/16; 1/7400 sec
at 1/32
Recycling Time: 0.01-1.5 seconds
Power Control: Full to 1/32 range (six f/stops); 0.1
f/stop resolution
Modeling Light Power: 40w, 120 VAC
Modeling Light Control: On or off
Triggering: Built-in slave; Push to Test button; synchronization
jack
Power Supply: 105-125 VAC, 50/60 Hz, 3 Amp
Housing: Molded, high-impact, plastic case
Weight: 2 lbs, 2 oz
Dimensions: 5.25x5.25x7"
Price: $159.95 (AK160); $259.95 (AK160B)
Flash Tubes And Modeling
Lamps:
Flash Tube: Plug-in style, Photogenic Standard C4-12
only
Modeling Lamp: 40w, 120 VAC, 40S11N/1
Fuse: 3AG type, 8 Amp, SLO-BLO