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The Einstein™ E640 Flash Unit by Paul C. Buff, Inc.™
USER MANUAL / OPERATION INSTRUCTIONS
Every decade or two, a quantum leap occurs in ideas and technology that sets the stage
for years to come. While most are content to follow the leader and add a feature or two, a
few innovators take the lead with revolutionary advancements that redefine the future state
of the art. Paul C. Buff, Inc.™ has a track record for such innovations, first in 1986 with the
forerunner of the modern self-contained studio flash – the White Lightning™ Ultra flash unit
- then again in 2001 with the first full-featured, affordable-yet-professional monolight for the
new masses of young digital photographers – the colorful little light that could, and did – the
AlienBees™ flash unit.
We are now pleased to present the most advanced integrated studio flash system ever
conceived – at any price - with performance and features far beyond any "professional"
monolight. After two years of intense design, evolution, blood, sweat, and tears, welcome to
the brave new future of studio lighting - Einstein™, and the companion Cyber Commander™
extreme integrated wireless control system. Proudly designed and manufactured in America.
EINSTEIN
Paul C. Buff, Inc.™ • www.paulcbuff.com
2725 Bransford Avenue • Nashville, TN • 37204 • USA
Toll Free 1-800-443-5542 • Local 615-383-3982
™
v.2/2013
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Table of Contents
Summary of Contents for Paul C. Buff Einstein E640
- Page 1 Paul C. Buff, Inc.™ has a track record for such innovations, first in 1986 with the forerunner of the modern self-contained studio flash – the White Lightning™ Ultra flash unit - then again in 2001 with the first full-featured, affordable-yet-professional monolight for the new masses of young digital photographers –...
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Page 2: Safety Warnings
WARNING! Do not use ungrounded power cords, power outlets or power strips. Paul C. Buff™ Flash Units may only be connected to 3-wire grounded AC outlets to avoid shock hazard. Do not connect the unit to an ungrounded outlet or to a two-wire extension cord or adapter that eliminates the ground prong. -
Page 3: Safety Instructions
6. When not in use, Paul C. Buff™ Flash Units should be stored in moderate climate conditions between 32ºF and 140ºF (0ºC and 40ºC), protected from water, dirt, sand and dust. Modern elec- trolytic capacitors normally have a long shelf life. - Page 4 ™ continued 7. Paul C. Buff™ Flash Units are designed for use with Paul C. Buff™ accessories. While other manu- facturers design flash equipment and accessories that may claim compatibility with Paul C. Buff™ equipment, each manufacturer defines their own contacts and latching mechanisms which may or may not be suitable for safe use with Paul C.
- Page 5 (enabled or disabled via menu) quick-release levers on both sides securely hold standard Reflector / Accessory Mount Paul C. Buff™ / Balcar accessories and allow rotation with improved gripping and ease of operation top-mounted umbrella tube and clamp mounts umbrella Umbrella Mount shafts up to 9mm (0.350”) diameter...
- Page 6 EASY SET button clears any programming and returns the unit to its default factory set- tings. See page 8 for more details on EASY SET. TEST button allows you to test fire (flash) the unit. EINSTEIN ™ by Paul C. Buff...
- Page 7 The Fuse Holder takes a user-replaceable SR5-F type 8A fuse. A backup is provided in the event of a blown fuse. See page 20 for more details. POWER button turns the flash unit ON or OFF. The Power Cord Jack is the connection point for the power cord. The unit arrives with a stan- dard US cord (IEC connector to 3-prong North American plug), but you can use the unit in countries with different outlet configurations by purchasing a standard IEC power cord with a suitable plug for your location.
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Page 8: Initial Setup
Channel / Frequency: The optional CSXCV CyberSync™ Transceiver, if present, is set to Frequency 1 and Channel 1. The CSXCV is sold separately, part of the CyberSync™ remote control system - see page 18 for more details. EINSTEIN ™ by Paul C. Buff... - Page 9 place on a light stand remove the shipping cover connect power cord optional CyberSync™ use connect supplied sync cord EASY SET mode 5. Sync your camera. With your camera synced to the Einstein™ flash unit, pressing your camera shutter will trigger simultaneous firing. For a hardwired sync, use the provided ABSC sync cord (1/8-inch to PC-connection).
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Page 10: The Lcd Display
On (Full Power): the modeling lamp remains at full brightness Independently Adjustable: the modeling lamp is adjusted independently of flashpower Track Flashpower: the lamp tracks the flashpower Off: the modeling lamp is off EINSTEIN ™ by Paul C. Buff... - Page 11 When the modeling lamp is set to track the flashpower, there is a provision in the Model Adjustment Screen to offset the lamp brightness, setting the output higher or lower (not exceeding the normal minimum or maximum for the installed lamp), while still maintaining the tracking feature. The bargraphs will still move in unison, but with an offset between the bars.
- Page 12 At 1/2 power in Action Mode, the t.1 flash duration is approximately 1/2000 second and the color temperature is approximately 5750º K (absolute values of flash duration and color temperature are indicated on the rear LCD display). EINSTEIN ™ by Paul C. Buff...
- Page 13 CONSTANT COLOR Mode: In this mode, the emitted color temperature is held constant at 5600º K, plus or minus 50º K at any power setting or input voltage. At full power, the t.5 flash duration is 1/1600 second and the t.1 time is 1/568 second. As power is reduced to 1/2 power the color remains constant, while the flash duration decreases to 1/1351 second t.1 (note that with IGBT control, the t.5 spec is no longer meaningful, so only the t.1 flash duration appears on the rear LCD display).
- Page 14 Figure 1: Variable Voltage at Full Power Figure 2: Variable Voltage at Half Power 100% 100% 1/1600 1/2000 1/588 1/470 Figure 3: IGBT Control at Full Power Figure 4: IGBT Control at Half Power 100% 100% 1/2000 1/588 1/2050 EINSTEIN ™ by Paul C. Buff...
- Page 15 t.1 FLASH DURATION (Seconds) VS. POWER SETTING 1/10000 1/3000 Flash Duration 1/1000 (fractions of 1 second) 1/300 1/100 FULL 1/16 1/32 1/64 1/128 1/256 COLOR TEMPERATURE VS. POWER SETTING 6000º K Color Temperature 5500º K (Kelvin) 5000º K FULL 1/16 1/32 1/64 1/128 1/256 POWER VARIABILITY RANGE (Wattseconds)
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Page 16: Using Accessories
USING ACCESSORIES All Paul C. Buff™ accessories are sold separately. Visit our website (www.paulcbuff.com) to learn more and see our full line of compatible accessories and light modifiers. Remote Controls: The Einstein™ unit includes a slot for the CyberSync™ CSXCV Transceiver for use with the Cyber Commander™... - Page 17 The stand mount is compatible with most standard light stands having top couplers up to 5/8-inch and may be used on our full line of Paul C. Buff™ light stands. light stand mount Travel Gear: One Einstein™ unit can be carried in our PCBBAG Paul C.
- Page 18 Cyber Commander™ remote as any changes made on the back panel will be overridden by the settings in the Cyber Commander™ remote. Note: All non-digital Paul C. Buff™ flash units (White Lightning , AlienBees , and Zeus™...
- Page 19 ™ ™ Einstein™ and CyberSync™ EXISTING SETUPS: Use these instructions to set up the Einstein™ unit as part of an existing setup with flash units that have already been programmed and specified in the Cyber Commander™ unit - already programmed lights will remain unaltered. 1.
- Page 20 Certain components arriving with the Einstein™ flash unit are consumable and will require replacement based on normal use. All Paul C. Buff™ replacement components are sold separately. Visit our website (www.paulcbuff.com) to learn more. Flashtube: The user-replaceable flashtube that arrives with the...
- Page 21 15-foot (part # VM-UPC15-230V) and 3-foot (part # VM-UPC3- 230V) lengths (both sold separately, visit our website at www.paulcbuff.com/powercords.php). standard Paul C. Buff™ UPC15 power cord international VM-UPC15-230V power cord (120 V, for use in North America)
- Page 22 FIRMWARE ™ Paul C. Buff, Inc.™ strives to offer unrivaled support for our products, not only with updates for current products, but looking into the future as well. With this in mind, Paul designed the Einstein™ (as well as Cyber Commander™) to have user-upgradable firmware, which can both fix operational problems as well as add functions to the product.
- Page 23 Cyber Commander™ remote control, if present. Note: Unlike first generation Paul C. Buff™ units, connecting a sync cord or dummy plug will NOT disable the slave. It must be manually disabled on the LCD display or via the Cyber Commander™ remote.
- Page 24 • If, during the applicable warranty period, the product is found to be defective by Paul C. Buff, Inc.™, we will repair or replace the defective product with an equivalent model without charge for labor or parts.
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