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Arms how long?


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#1 Nemo

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Posted 17 July 2002 - 02:29 AM

I am curious about the length of strobe arms any others are using when shooting large subjects with a wide angle lens. As a reference I have a Inon 100 degree lens on a Tetra and DX90 strobes.
Nemo - D70 + 17-55mm, 70 - 200 VR, 35 f2, 10.5, Sigma 15, 60 Macro, Nexus D70 housing, Optima CCR & more dive gear than the ave. store

#2 james

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Posted 17 July 2002 - 05:08 AM

I have Ultralight arm sets which I use w/ 2 8" arm sections on each side. That gives me about 40" of spread.

More is better of course, but there is a point where your setup can get unwieldy.

Click here for a photo:

http://www.reefpix.o...test/1setup.jpg

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James Wiseman
Canon 1DsMkIII - Seacam Housing
Dual Ikelite Strobes
Photo site - www.reefpix.org

#3 MikeO

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Posted 18 July 2002 - 09:21 AM

I normally use a ULCS 5" arm plus an 8" arm. If I know I want more spread, I substitute 8" arms in for the 5" arms. Though I haven't convinced myself to get any 12" segments yet, as I've been thinking more about this I've come to realize that there are other advantages to long arms other than just more spread. For example, you can more easily get the strobes at lens level a medium distance out if you have two long segments (by making a "V"). When putting your arm system together make sure to remember that the clamps are not zero-length. Each clamp on my ULCS system adds about 3" to the overall arm length.

Mike Oelrich
Canon EOS 40D in Seatool housing, 100mm macro, Tokina 10-17, INON Z-240s.


#4 MikeO

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Posted 18 July 2002 - 09:25 AM

I should have been more clear in the above post. I was describing one arm; i.e., an arm comprising a 5" section and an 8" section; not a 5" arm on one side of the housing and an 8" arm on the other. I actually use two arms (one for each strobe), each comprising a 5" segment, an 8" segment and three clamps . . .

Mike Oelrich
Canon EOS 40D in Seatool housing, 100mm macro, Tokina 10-17, INON Z-240s.