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Re: underwater strobes
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GYXU > Diving > Re: underwater strobes 13 April 2005 06:40:51

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Re: underwater strobes

Rudy Benner 11 April 2005 01:13:32
 
"Ron S" <resha@supanet.com>­ wrote in message
news:863a6656.05041­01252.5fad07c7@posti­ng.google.com...> OK - I've just moved from film to digital for U/W phots. I have an> Olympus C770 and its matching housing.> Now I'm looking at a strobe. There is an Olympus flash-gun with its> own dedicated housing but I'm also looking at a Sea-Life SL 960 or a> (rather more expensive) Epoque ES 150.>
If anybody has knowledge or experience of any of these I'd be> interested to hear your views.>
Thanks>
Ron S.

Before you make a purchase decision, take a close look at the Inon D-2000.


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David Gintz 11 April 2005 04:47:08 permanent link ]
 
"Rudy Benner" <rudy.benner@gmail.­com> wrote in message
news:115j5np8ppjjdc­b@corp.supernews.com­...>
"Ron S" <resha@supanet.com>­ wrote in message > news:863a6656.05041­01252.5fad07c7@posti­ng.google.com...>> OK - I've just moved from film to digital for U/W phots. I have an>> Olympus C770 and its matching housing.>> Now I'm looking at a strobe. There is an Olympus flash-gun with its>> own dedicated housing but I'm also looking at a Sea-Life SL 960 or a>> (rather more expensive) Epoque ES 150.>>
If anybody has knowledge or experience of any of these I'd be>> interested to hear your views.>>
Thanks>>
Ron S.>
Before you make a purchase decision, take a close look at the Inon D-2000.>

Any comments on the Sea and Sea YS-15? I'm looking into that one.


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Tony Howard 11 April 2005 07:02:37 permanent link ]
 
Any comments on the Sea and Sea YS-15? I'm looking into that one.
Low output, so only use at close distances.


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Daniel Arrepas 11 April 2005 21:59:59 permanent link ]
 
"Tony Howard" <tony@samesamedivin­g.com> wrote in message
news:4259e78d.0@ent­anet...> >
Any comments on the Sea and Sea YS-15? I'm looking into that one.
Low output, so only use at close distances.

With a guide number of 12, it has plenty of power underwater for *digital*
(not enough reach for film though). I am not real familiar with your camera
but I think it is basically point and shoot, with zoom, so it is likely that
the widest it shoots is 35 - 40 degrees. If that is the case, the Sea & Sea
will be fine. You won't have to shoot short and you will have enough strobe
coverage to equal the lens at it's widest angle of acceptance.

I don't shoot Sea and Sea's but I do think they make some fine underwater
strobes. This one does seem to fit your needs for the camera you have
chosen.


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Daniel Arrepas 11 April 2005 22:15:56 permanent link ]
 
"Rudy Benner" <rudy.benner@gmail.­com> wrote in message
news:115j5np8ppjjdc­b@corp.supernews.com­...>
"Ron S" <resha@supanet.com>­ wrote in message > news:863a6656.05041­01252.5fad07c7@posti­ng.google.com...>> OK - I've just moved from film to digital for U/W phots. I have an>> Olympus C770 and its matching housing.>> Now I'm looking at a strobe. There is an Olympus flash-gun with its>> own dedicated housing but I'm also looking at a Sea-Life SL 960 or a>> (rather more expensive) Epoque ES 150.>>
If anybody has knowledge or experience of any of these I'd be>> interested to hear your views.>>
Thanks>>
Ron S.>
Before you make a purchase decision, take a close look at the Inon D-2000.

As much as I like Inon innovations, this model, while having a color temp of
5500K, often renders harsh and displeasing images. Shouldn't at that temp,
but does. Which is one reason Inon sells filters to cool the temp. They
claim their reflectors "soften", which isn't the same as cools, the light.
So I suspect something in the reflectors is causing the harsh edge the
strobes deliver.

Strange, in my view,...5500K is a nice temp for a small strobe and should
result in better light on the image.


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Rudy Benner 11 April 2005 23:53:29 permanent link ]
 
"Daniel Arrepas" <arrepas.daniel@but­ler-rosebury.com> wrote in message
news:D­9z6e.48$Pa1.8­09@news.uswest.net..­.>
"Rudy Benner" <rudy.benner@gmail.­com> wrote in message > news:115j5np8ppjjdc­b@corp.supernews.com­...>>
"Ron S" <resha@supanet.com>­ wrote in message >> news:863a6656.05041­01252.5fad07c7@posti­ng.google.com...>>> OK - I've just moved from film to digital for U/W phots. I have an>>> Olympus C770 and its matching housing.>>> Now I'm looking at a strobe. There is an Olympus flash-gun with its>>> own dedicated housing but I'm also looking at a Sea-Life SL 960 or a>>> (rather more expensive) Epoque ES 150.>>>
If anybody has knowledge or experience of any of these I'd be>>> interested to hear your views.>>>
Thanks>>>
Ron S.>>
Before you make a purchase decision, take a close look at the Inon >> D-2000.>
As much as I like Inon innovations, this model, while having a color temp > of 5500K, often renders harsh and displeasing images. Shouldn't at that > temp, but does. Which is one reason Inon sells filters to cool the temp. > They claim their reflectors "soften", which isn't the same as cools, the > light. So I suspect something in the reflectors is causing the harsh edge > the strobes deliver.>
Strange, in my view,...5500K is a nice temp for a small strobe and should > result in better light on the image.>

I am using a diffuser which has a bit of a blue tint, it softens the light
and widens the pattern a bit as well. I get about 110 degrees. My WAL is
about 105 degrees. Without the diffuser, it does seem a bit harsh, which is
why I bought it. The diffuser also comes with a couple of coloured lens to
cover the modelling light, you choice of red or blue. The little tabs that
lock it in place are poorly designed, you quickly end up gluing it in
permanently. Linking is optical.

Cocoview in less than 2 weeks.


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Daniel Arrepas 12 April 2005 02:21:44 permanent link ]
 
"Rudy Benner" <rudy.benner@gmail.­com> wrote in message
news:115loa8eqrd943­6@corp.supernews.com­...
Without the diffuser, it does seem a bit harsh, which is why I bought it.

You've made me curious Rudy. Why did you want light that rendered harsh
contrast in the image?


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Rudy Benner 12 April 2005 03:00:06 permanent link ]
 
"Daniel Arrepas" <arrepas.daniel@but­ler-rosebury.com> wrote in message
news:ZLC6e.56$Pa1.8­04@news.uswest.net..­.>
"Rudy Benner" <rudy.benner@gmail.­com> wrote in message > news:115loa8eqrd943­6@corp.supernews.com­...>
Without the diffuser, it does seem a bit harsh, which is why I bought it.>
You've made me curious Rudy. Why did you want light that rendered harsh > contrast in the image?>

Read it again. Then think before twisting my words.


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Daniel Arrepas 12 April 2005 03:25:52 permanent link ]
 
"Rudy Benner" <rudy.benner@gmail.­com> wrote in message
news:115m0bgcau0l5b­4@corp.supernews.com­...>
"Daniel Arrepas" <arrepas.daniel@but­ler-rosebury.com> wrote in message > news:ZLC6e.56$Pa1.8­04@news.uswest.net..­.>>
"Rudy Benner" <rudy.benner@gmail.­com> wrote in message >> news:115loa8eqrd943­6@corp.supernews.com­...>>
Without the diffuser, it does seem a bit harsh, which is why I bought >>> it.>>
You've made me curious Rudy. Why did you want light that rendered harsh >> contrast in the image?>>
Read it again. Then think before twisting my words.

Nah, it was a honest question. If you choose not to answer....no problem.


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Rudy Benner 12 April 2005 08:34:13 permanent link ]
 
"Daniel Arrepas" <arrepas.daniel@but­ler-rosebury.com> wrote in message
news:4ID6e.66$Pa1.1­61@news.uswest.net..­.>
"Rudy Benner" <rudy.benner@gmail.­com> wrote in message > news:115m0bgcau0l5b­4@corp.supernews.com­...>>
"Daniel Arrepas" <arrepas.daniel@but­ler-rosebury.com> wrote in message >> news:ZLC6e.56$Pa1.8­04@news.uswest.net..­.>>>
"Rudy Benner" <rudy.benner@gmail.­com> wrote in message >>> news:115loa8eqrd943­6@corp.supernews.com­...>>>
Without the diffuser, it does seem a bit harsh, which is why I bought >>>> it.>>>
You've made me curious Rudy. Why did you want light that rendered harsh >>> contrast in the image?>>>
Read it again. Then think before twisting my words.>
Nah, it was a honest question. If you choose not to answer....no problem.>

Ok, I bought the diffuser to soften the light and to widen the field a bit.
The Canon seems to be a bit too warm, the slight blue tint of the diffuser
helps correct that. You loose half an F stop.

Is that better?


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Daniel Arrepas 12 April 2005 18:48:30 permanent link ]
 
"Rudy Benner" <rudy.benner@gmail.­com> wrote in message
news:115mk1e3b0ihh8­0@corp.supernews.com­...
Ok, I bought the diffuser to soften the light and to widen the field a > bit. The Canon seems to be a bit too warm, the slight blue tint of the > diffuser helps correct that. You loose half an F stop.>
Is that better?

The question was about why you bought a strobe that projects both harsh and
off-temp light........not why you bought a diffuser. But thanks for your
replies anyway.


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Scott 13 April 2005 03:57:52 permanent link ]
 "300PSI" <Scuba@NoSpam.net> wrote in message
news:1113349663.742­ceb5e0e4edfb38fa6c00­21874cbcf@teranews..­.

<chop>

Oh, good.

Another anonymous cheesedick slinging the sophomoric insults.

<ka-plonk>


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Guest 13 April 2005 12:04:01 permanent link ]
 In article <1113349663.742ceb5­e0e4edfb38fa6c002187­4cbcf@teranews>,
Scuba@NoSpam.net (300PSI) wrote:
clearly states that he brought a diffuser

Where did he "Bring" it from ??????


Take out the "goes diving" bit....
Trip photos on line at www.morg.co.uk
Add comment
Guest 13 April 2005 12:04:02 permanent link ]
 In article <120420052103244367­%agstreet@nonono_san­.rr.com>,
agstreet@nonono_san­.rr.com (Alan Street) wrote:
€ What's FOAD mean :^)­ > € >
Friend of a Debate?

Somehow, i doubt it.

Take out the "goes diving" bit....
Trip photos on line at www.morg.co.uk
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H. Huntzinger 13 April 2005 15:30:01 permanent link ]
 "Daniel Arrepas" <arrepas.daniel@but­ler-rosebury.com> wrote:
"Tony Howard" <tony@samesamedivin­g.com> wrote in message > news:4259e78d.0@ent­anet...> > >
Any comments on the Sea and Sea YS-15? I'm looking into that one.>
Low output, so only use at close distances.>
With a guide number of 12, it has plenty of power underwater for *digital* > (not enough reach for film though).

With such a low UWGN, it unfortunately forces you to shoot at higher
effective ISO's to compensate, as well as to get the f/stop up (for
point-n-shoot, and/or to have a decent depth-of-field), which will
increase the noise level, especially within sub-APS sized digital
sensors found on non-dSLR's (aka point-n-shoots).

I don't shoot Sea and Sea's but I do think they make some fine underwater > strobes.

IMO, Sea&Sea makes a couple of good aftermarket lenses for the Nikonos.
The rest of the stuff, no thanks.


-hh
Add comment
Daniel Arrepas 13 April 2005 19:44:34 permanent link ]
 
" H. Huntzinger" <{NOSPAM-rm_to_repl­y}rec-scuba2005@hunt­zinger.com> wrote in
message
news:{NOSPAM-rm_to_­reply}rec-scuba2005-­19880B.0730011304200­5@news.giganews.com.­..> "Daniel Arrepas" <arrepas.daniel@but­ler-rosebury.com> wrote:
With such a low UWGN, it unfortunately forces you to shoot at higher> effective ISO's to compensate, as well as to get the f/stop up (for> point-n-shoot, and/or to have a decent depth-of-field), which will> increase the noise level, especially within sub-APS sized digital> sensors found on non-dSLR's (aka point-n-shoots).>
I don't shoot Sea and Sea's but I do think they make some fine underwater>> strobes.>
IMO, Sea&Sea makes a couple of good aftermarket lenses for the Nikonos.> The rest of the stuff, no thanks.

While I do not argue with the accuracy of your comments (in terms of
generalization). I disagree with most of what you said, in the context of
this conversation, for this reason: we are talking point and shoot here. Was
the photographer in question using more camera/sensor/softw­are and better
glass your comments would be germane, but considering the quality of light
accepted by the sensor via the lens in most point and shoots, working a bit
under, if it is even necessary, which it isn't, is more than effective in
creating great files for post production. Noise levels hardly enter the
equation when talking about cameras of this level. There are much greater
barriers to fine photography beyond the effect noise levels imply.

The YS-15 is a very good match for the C770, and in fact is probably good of
a strobe for the camera in question.


Add comment
H. Huntzinger 14 April 2005 16:19:45 permanent link ]
 "Rudy Benner" <rudy.benner@gmail.­com> wrote:> " H. Huntzinger" <{NOSPAM-rm_to_repl­y}rec-scuba2005@hunt­zinger.com> wrote:> >
My impression is that he was going for color temperature (and perhaps> > coverage width?), but I'd like to be sure.>
Yes, that is correct.


Thanks for the clarifiation, Rudy.


-hh
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Rudy Benner 14 April 2005 18:58:43 permanent link ]
 
" H. Huntzinger" <{NOSPAM-rm_to_repl­y}rec-scuba2005@hunt­zinger.com> wrote in
message
news:{NOSPAM-rm_to_­reply}rec-scuba2005-­D4C92F.0819451404200­5@news.giganews.com.­..> "Rudy Benner" <rudy.benner@gmail.­com> wrote:>> " H. Huntzinger" <{NOSPAM-rm_to_repl­y}rec-scuba2005@hunt­zinger.com> >> wrote:>> >
My impression is that he was going for color temperature (and perhaps>> > coverage width?), but I'd like to be sure.>>
Yes, that is correct.>
Thanks for the clarifiation, Rudy.>
-hh

http://www.digitald­iver.net/strobes.php­

Since this was my first strobe, I had to do some research, then
experimentation. The diffuser was added to the system, as well as a WAL.

First, I had to find strobes that worked with pre-flash. That narrowed down
the field a bit. Then I was looking at the manner of linking, optical seemed
the best choice. Guide number factored largely. Number of battery cells.
Would it work with my UW housing. Adding a second strobe. Future upgrade to
a better camera/housing.

The Inon system worked nicely with my Canon system. Optical linking works
very well. They use a piece of film that is opaque to visible light that is
taped over the strobe on the camera, the fibre optic pickup see the infrared
spectrum. The Inon mimics the camera's strobe, you get accurate metering.
Totally easy.







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GYXU > Diving > Re: underwater strobes 13 April 2005 06:40:51

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