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Forums Lobby MASTER YOUR TOOLS - Hardware & Software Nikon Speedlights & Lighting topic #296
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Subject: "RE: Thansk everyone for your input! (nt)" Previous topic | Next topic
meerkat Basic MemberTue 04-Sep-01 04:30 AM
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#17. "RE: Thansk everyone for your input! (nt)"
In response to In response to 16


silly-can valley, US
          

Too hard to read, let me try, here is the correct formular:

(for n flash of guide number of Gn1, Gn2, ... Gnn repectively):
combined GN = square_root (Gn1*Gn1 + Gn2*Gn2 + ... +Gnn*Gnn)


---
if all the flash has the same GN, then combined GN = square root of N (where N>1), simple to calculate, you need 4 flashes to double the GN


  

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A general, generic topicSb-28 vs Sb-50.. any thoughts? [View all] , bowmah , Fri 31-Aug-01 07:34 PM
 
Subject Author Message Date ID
Reply message RE: Sb-28 vs Sb-50.. any thoughts?
jnscbl
01st Sep 2001
1
Reply message RE: Sb-28 vs Sb-50.. any thoughts?
bowmah
01st Sep 2001
2
     Reply message RE: Sb-28 vs Sb-50.. any thoughts?
jrp Administrator
01st Sep 2001
3
          Reply message RE: Sb-28 vs Sb-50.. any thoughts?
jnscbl
01st Sep 2001
4
          Reply message RE: Sb-28 vs Sb-50.. any thoughts?
bowmah
01st Sep 2001
6
          Reply message RE: Sb-28 vs Sb-50.. any thoughts?
bowmah
01st Sep 2001
5
               Reply message RE: Sb-28 vs Sb-50.. any thoughts?
jrp Administrator
01st Sep 2001
7
                    Reply message RE: Sb-28 vs Sb-50.. any thoughts?
bowmah
01st Sep 2001
8
                         Reply message RE: Sb-28 vs Sb-50.. any thoughts?
jnscbl
01st Sep 2001
9
                         Reply message RE: Sb-28 vs Sb-50.. any thoughts?
jrp Administrator
01st Sep 2001
10
                              Reply message Thansk everyone for your input! (nt)
bowmah
01st Sep 2001
11
                                   Reply message RE: Thansk everyone for your input! (nt)
Privatename98
02nd Sep 2001
12
                                        Reply message RE: Thansk everyone for your input! (nt)
jnscbl
03rd Sep 2001
13
                                             Reply message RE: Thansk everyone for your input! (nt)
Johnny
03rd Sep 2001
14
                                                  Reply message RE: Thansk everyone for your input! (nt)
jrp Administrator
03rd Sep 2001
15
                                                  Reply message RE: Thansk everyone for your input! (nt)
jnscbl
03rd Sep 2001
16
                                                  Reply message RE: Thansk everyone for your input! (nt)
meerkat
04th Sep 2001
17
                                                  Reply message RE: Thansk everyone for your input! (nt)
jrp Administrator
04th Sep 2001
18
Reply message Experience with: Sb-28 vs Sb-50
avitar
05th Sep 2001
19

Forums Lobby MASTER YOUR TOOLS - Hardware & Software Nikon Speedlights & Lighting topic #296 Previous topic | Next topic


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