billcress@ix.netcom.com
Tel: 973-694-1280 Fax: 973-694-6965
     
 

 
  Megaflash Technologies Ltd

Flashbulb Data

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pf200    
     
     
Features
High Intensity
Convenient and simple to use
Well suited to portable equipment
Fits standard light sockets
Operates in high shock and vibration environments

Typical Applications
High Speed motion picture photography
Destructive testing
Large format photography
Theatrical special effects 



Specifications
Class Medium Peak
Duration -
Lag Time -
Peaking time 20 msec
Rated lumen seconds 70,000
Approx colour temp 3800°
Min BC power 10 MWS
Bulb type A-19
Base type Med screw #102
Voltage 3-125 volts
Amp 3
Replaces Sylvania Bulb Type 2
 

Flash Characteristics

Below film speed and across from shutter speed, read guide number


Tungsten film speed 10-16 20-32 40-64 80-125 160-200 320-500

Shutter speed (seconds) Guide Numbers        
Up to 1/25th & 1/30th 150 220 300 420 600 850
Up to 1/50th & 1/60th 130 190 260 380 550 750
Up to 1/100th & 1/125th 110 160 220 320 460 650
Up to 1/200th & 1/250th 85 130 180 260 360 500
Up to 1/400th & 1/500th 70 100 140 200 280 400

To find f-stop divide guide number by distance in feet between flashbulb and subject. (example: with film speed 40, guide number is 220 at a shutter speed of 1/125 sec., distance 10ft lens setting 220 ÷ 10 is f/22)

Ansocochrome T/100 - use with 81D filter. Koda-chrome II prof. Type A, Ektachrome Type B and high speed Ektachrome Type B - Use with 81C filter. Ektachrome Prof. and Day - Use with 80C filter.

Table computed for 7-inch polished reflector. If large studio type reflector is used, stop down 1/2 to 1 f-stops. Use on voltages from 3 to 125 volts.
  • Warnings printed on packaging should be read carefully prior to use
  • Avoid Static
  • Numerical data is typical

for further information contact:
Meggaflash Technologies Tel +353 65 22677
Clonroad Business Park, Fax +353 65 22688
Clonroad, Ennis, County Clare, email meggafla@iol.ie
Republic of Ireland http://www.meggaflash.com

 
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Bill Cress
PO Box 4262 Wayne, NJ 07474-4262
tel. (973) 694-1280 | fax. (973) 694-6965
billcress@ix.netcom.com


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