I´ve to admit that I´s kind of dissapointed when I first saw my Einstein 640; but there´s definitively more to this little flash than meets the eye!!!

It´s size/weight/power makes it an amazing option for my trip… specially when paired with the small & light weight Vagabond Mini power pack 🙂


Einstein E640
True Wattseconds 640 Ws max. at full power; 2.5 Ws min. at 1/256 power
Lumenseconds 28,000 Ls at full power
Power Variability 9 f-stops (full to 1/256 power)
Recycle to 100% 1/10 to 1.7 seconds (may be fired before 100% recycle for speed shooting at reduced power)
Flash Duration (t.5) 1/2,000 second at full power
Flash Duration (t.1) – in Action Mode from 1/588 to 1/13,500 second
Flash Duration (t.1) – in Color Mode from 1/588 to 1/8,000 second
Power Requirements automatic power switching from 95 to 265 VAC, 50/60Hz (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 digital cameras
Modeling Lamp 250 Watt, 120VAC bayonet-style quartz bulb (no change is required when operating from 120 or 240VAC)
Flashtube 12mm single-ring flashtube (UV-coated)
LCD Display back-lit, high resolution color LCD 320 x 240 pixels; 2.4 inches
Stand Mount fits stands up to 5/8″
Umbrella Mount accepts poles up to 23/64” (approx. 9mm)
Standard Reflector none supplied (8.5HOR recommended)
Weight 4 pounds, 5 ounces (without the power cord)
Dimensions 4.8″ height x 4.8″ width x 5.7″ length (body dimensions without lamps or mounting hardware) 7″ height x 5.4″ width x 7.8″ length (overall dimensions with lamp, tube, dome and shipping cover as well as mounting hardware)


Photographer cycling "in developing" countries making + printing + giving away portraits for those families who had none...

No Comments

Sorry, the comment form is closed at this time.

Make a difference!DONATE