Take a look at Adorama...
Adorama distributes a line of Flashpoint studio strobes.
http://www.adorama.com …fo=flashpoint%20monolight
These are well-built but, relatively inexpensive lights which have replacement parts available and also have a full range of light modifiers such as snoots, barndoors, grids and softboxes.
The 150 watt monolight kit is more versatile and will provide better lighting than will a 383 Strobist Outfit of any type.
1. It has a modeling light - this alone will put it way ahead of any Strobist concoction.
2. It has a built-in optical slave.
3. It can accept light stands and all sorts of light modifiers without extra accessories.
5. It uses A/C current so your recycle time is steady and doesn't vary as you limp along with AA battery power.
You could do very well with two of these kits:
http://www.adorama.com …nt%20monolight&item_no=13
And one extra light for the BG background
http://www.adorama.com …int%20monolight&item_no=1
You will need an additional stand for the hair light but not an umbrella
An infrared remote trigger will do a good job triggering the monolights.
You could actually make do with a three light setup: key and fill with umbrellas and a BG light. The BG light could give you enough separation between BG and subject - especially since your subjects will be wearing a white hat. However, you might want a grid or a snoot to control the background light.
I would try to use the same lighting setup for all your subjects so that they will look very similar in the cruisebook. Also, have the sizes of the subjects similar. Relatively flat lighting might be the best.
This is a relatively simple K-Mart type setup but, is what you need. Play with the lighting and exposure by using one of your shipmates as a model so everything is set up when the crew starts coming through.
Ensure that the lids of the chief's and officers hats don't obscure their eyes or cast a shadow.
Usually, the portraits should be with the subjects left side towards the camera since the decorations are on the left breast.
A stool is a good way to have your subjects sit. I like their right buttock on the stool with the right foot on a rung. The left foot is on the floor.
keep all the hands in the same configuration - often with one hand gripping the other wrist.
Here are some posing pointers to avoid many of the major portrait problems. However, for your purposes, avoid changing the lighting setup.
Basic Positioning Tips
• Position body and head facing different directions.
• Masculine pose: tilt top of head toward far shoulder.
• Feminine pose: tilt top of head toward near shoulder. Note: Women can typically pull off either of these two poses.
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Hand Posing Tips
• Don't show flat surfaces of hands, show finger edges.
• Fingers should not be facing into the lens.
• Bend fingers at all joints.
• Male hands should be more closed, female should be more open.
• Use opposing diagonals: ie head resting on arm; each pointing in opposite directions.
• Fingers should not be intertwined.
• Never rest a head on a fist.
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Stuff you should have available for your models
• Fresh combs
• A mirror
• Hair spray
• Hair clips
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Session Plan
• Start with head shots.
• Move to head on hands, let the model pose naturally.
• Finish with 3/4 and full length.
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Shooting Groups of People
As a rule, the image should express a tone that all in the group are unified; either touching each other physically, or visually overlapping.
Clothing Choices
• Everyone should have the same toned clothing, either warm or cold.
• Brightly clothed individuals should be placed in the middle.
Posing Tips
• Make men a little taller than women.
• Stagger head heights.
• Pose groups one person at a time, in relation to each other.
• Pose men to the right of the frame, women to the left.
Open Poses are defined as images with physical or visual space between people. Closed Poses are defined as images where individuals overlap each other, with no visual space between them. Note: Mixing Open and Closed Poses works well for large groups.
Posing Couples
• Front to Front Pose - fronts of both people facing, or touching the other.
• Fronts facing forward - fronts of both people facing forward, possibly at an angle, one front to the other's back.
• Avoid space between heads to create intimacy.
• Use lots of negative space around couples in the frame.
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Suggestions for Lighting
Match the mood of image to lighting.
• High key --> happy
• Low key --> dramatic
An Example of a High Key Lighting Setup (four light setup)
• Main and fill lights close to the same output (1:1 to 2:1 max ratio).
• White clothing, white background.
• NO SHADOWS.
• Overexpose background by 1 stop.
• Point background lights at opposite edge of background.
• Meter background at its center, set background lights to +1 stop main (ie. f11).
• Subject should be halfway between camera and background.
• Two umbrellas should be the main source, equal powered, and when combined rated at f8.
• Shoot at f8.