The Einstein™ Flash Unit features action stopping flash durations, color consistency, and the broadest power range. The flexibility of the power range allows for everything from over-powering the sun, to shooting indoor portraits with a wide-open aperture.
Perfect for: Professional photographers in any field.
Sync Cord Compatibility: All Paul C. Buff, Inc. flash units arrive with a 15' sync cord for connecting to a camera's PC sync terminal. Not all camera's are equipped with a PC sync terminal. If you plan on using this cable, and not wireless remotes, you may need a hot shoe adapter. Check your camera's compatibility.
Find out how the Einstein™ compares to our other flash models.
Article number: E640
|Flash Unit||Einstein™ Flash Unit|
|Power Variability||9 f-stops (full to 1/256 power)|
|Recycle to Full||1.7 sec|
|Recycle to Half Power||1/2000 sec. (at full power)|
|Flash Duration (t.5)||1/2000 sec. (at full power)|
|Flash Duration (t.1)||Action Mode : 1/588 sec. (at full power) | 1/13,500 sec. (at 1/256 power) / in Color Mode 1/588 sec. (at full power) | 1/8,000 sec. (at 1/256 power)|
|Power Requirements||Automatic power switching from 95 to 265 VAC, 50/60 Hz (no lamp change or user attention required)|
|Average Current Draw||Brief initial recycle surge current of 8.5A; average draw of 8A|
|Sync / Trigger Voltage||Less than 5 volts (safe for use with DSLR cameras)|
|Modeling Lamp||250 W, 120VAC bayonet-style quartz bulb|
|Flashtube||12mm flashtube (daylight-balanced and UV-coated|
|Stand Mount||Fits stands up to 5/8 in.|
|LCD Display||Back-lit, high-resolution color LCD. 320x240 pixels; 2.4 in.|
|Umbrella Mount||Accepts umbrella rods up to 9mm|
|Weight||4 lbs. 5 oz. / 1.81 Kg.|
|Dimensions||17.78cm (H) x 13.72cm (D) x 19.81cm (L)|