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Diving in Misool Raja Ampat with Sony A7Rii

Misool raja ampat sony a7rii keldan scuba diving Indonesia fcpx misool eco resort

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#1 Laval

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Posted 09 December 2018 - 08:33 AM

Here is my second project using FCPX: https://youtu.be/6u1IIMjMOWA

I will greatly appreciate your constructive criticism and recommendations.

 

In this video, I was trying to capture a beauty and abundance of marine life in Raja Ampat during our 9-day stay at Misool Eco Resort.

My camera is Sony A7Rii with a 28mm and 28mm+fisheye lens.

I used two Keldan Video 8X lights (11000 lm, 92 CRI), which are fantastic video lights. 

 

Thank you very much.

 

 

 

 



#2 RafalOpaluch

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Posted 12 February 2019 - 12:23 PM

Super video, octopus is the best;)

#3 Laval

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Posted 12 February 2019 - 04:58 PM

Super video, octopus is the best;)

Thank you for your comment.



#4 Robin-D

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Posted 13 February 2019 - 08:59 PM

wonderful! loved it


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#5 ChrisRoss

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Posted 15 February 2019 - 12:24 AM

Very nice, great content and generally very pleasing viewing.  A minor point, At least on my screen the reds/oranges in the shots starting with the sea fan at about 2:10 or so through to maybe the 3 minute mark seemed a little too neon/over saturated.  I'm not sure how much control you have over that. 



#6 Laval

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Posted 16 February 2019 - 07:53 AM

wonderful! loved it

 

Thank you for your comment, Robin. 

I am glad you like it.



#7 Laval

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Posted 16 February 2019 - 08:42 AM

Very nice, great content and generally very pleasing viewing.  A minor point, At least on my screen the reds/oranges in the shots starting with the sea fan at about 2:10 or so through to maybe the 3 minute mark seemed a little too neon/over saturated.  I'm not sure how much control you have over that. 

 

Chris, thank you for your review and comments.  Regarding reds/oranges, I am probably overusing my powerful video lights.  I am still on a learning curve and have to find the right balance.  I started to use a combination of a red filter on a lens and a blue ambient filter on my lights.  This combination works well in some situation.  I am planning to put a short video to share the results.

 

On another hand, I am trying to find an answer to the question "What is  a true color under water?  How much of  red, purple or orange  is actually over there".  Most divers do not see real colors under water, and as you know the deeper we go the less color we see.  When I started using really powerful video lights (I bought them just before my trip to Misool) I started to see all those fantastic colors; and in Misool the whole group was following me because they could see everything in color.  

 

By the way, I checked your website and instagram account, and I love your photos.  Seadragons are my favourites, but I've never seen them 'in person'.



#8 ChrisRoss

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Posted 22 February 2019 - 10:10 PM

 

Chris, thank you for your review and comments.  Regarding reds/oranges, I am probably overusing my powerful video lights.  I am still on a learning curve and have to find the right balance.  I started to use a combination of a red filter on a lens and a blue ambient filter on my lights.  This combination works well in some situation.  I am planning to put a short video to share the results.

 

On another hand, I am trying to find an answer to the question "What is  a true color under water?  How much of  red, purple or orange  is actually over there".  Most divers do not see real colors under water, and as you know the deeper we go the less color we see.  When I started using really powerful video lights (I bought them just before my trip to Misool) I started to see all those fantastic colors; and in Misool the whole group was following me because they could see everything in color.  

 

By the way, I checked your website and instagram account, and I love your photos.  Seadragons are my favourites, but I've never seen them 'in person'.

 

No worries,  I was just wondering if you had the ability to pull back the reds and oranges when grading those segments .  I think the thing with colours is people like to see stuff illuminated with daylight colour balance, You could argue that's what the diver sees, but many divers carry lights to better see the UW colours, blue/green biased stuff looks like a bit flat to most. 

 

Thanks re my website and Instagram....If ever you come to Sydney I'm sure I could find you a sea dragon relatively easily.


Edited by ChrisRoss, 22 February 2019 - 10:24 PM.


#9 Laval

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Posted 23 February 2019 - 01:08 PM

 

No worries,  I was just wondering if you had the ability to pull back the reds and oranges when grading those segments .  I think the thing with colours is people like to see stuff illuminated with daylight colour balance, You could argue that's what the diver sees, but many divers carry lights to better see the UW colours, blue/green biased stuff looks like a bit flat to most. 

 

Thanks re my website and Instagram....If ever you come to Sydney I'm sure I could find you a sea dragon relatively easily.

 

Thank you, Chris.

My current camera, Sony A7Rii, does not allow to do custom WB underwater.  So, it is a bit tricky.



#10 aviator8

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Posted 16 March 2019 - 08:10 PM

what is the power of the video lights?



#11 Laval

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Posted 17 March 2019 - 01:56 AM

what is the power of the video lights?


11000lm each.


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#12 Interceptor121

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Posted 17 March 2019 - 11:25 PM

Nice video considering the Sony challenges
Am not sure how you are shooting he close up shots but there are many clipped highlights. If you shoot manual either lower the lights or close the lens if auto set metering to centre not multi or you will have issues also do not expose to the right underwater
For the filters are you using the spectrum on the lens? From what I understand this is optimised for blue water and raja is blue green nevertheless it looks ok but would look better with a filter that is more purple
The video anyway presents well so the above really are improvement tips


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#13 Laval

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Posted 19 March 2019 - 05:08 PM

Nice video considering the Sony challenges
Am not sure how you are shooting he close up shots but there are many clipped highlights. If you shoot manual either lower the lights or close the lens if auto set metering to centre not multi or you will have issues also do not expose to the right underwater
For the filters are you using the spectrum on the lens? From what I understand this is optimised for blue water and raja is blue green nevertheless it looks ok but would look better with a filter that is more purple
The video anyway presents well so the above really are improvement tips


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I appreciate your comments, Interceptor121.  Clipped highlights are the result of my inexperience with these powerful lights. I do not recall using any filters on that trip.  I was playing in between  Underwater WB or Auto WB setting.  At that time, I did not know that water in Raja Ampat is blue green.  In most cases, I had lights at 100%, and I was adjusting aperture and/or ISO.  Would you rather recommend to start with lights at lower level (say 50%), keep aperture say at 8 and play adjust ISO around 800 to avoid clipping highlights?  Thank you again.



#14 Interceptor121

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Posted 19 March 2019 - 10:52 PM

I appreciate your comments, Interceptor121.  Clipped highlights are the result of my inexperience with these powerful lights. I do not recall using any filters on that trip.  I was playing in between  Underwater WB or Auto WB setting.  At that time, I did not know that water in Raja Ampat is blue green.  In most cases, I had lights at 100%, and I was adjusting aperture and/or ISO.  Would you rather recommend to start with lights at lower level (say 50%), keep aperture say at 8 and play adjust ISO around 800 to avoid clipping highlights?  Thank you again.


The keldan can be reduced to a very low lower
Typically you set the camera to the best optical settings that depend on the lens and on the frame rate you use
Say you shoot at 24p you will use 1/50 which is rather slow shutter speed then set aperture as require by the depth of field you need and start at lowest iso possible see if your light can create the right exposure but start at lowest setting not 100%
Probably your sony has zebra to mark clipped highlights set it to 100% or less if you shoot log and you will be able to see what you are clipping



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#15 dreifish

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Posted 20 March 2019 - 04:42 AM

In terms of the funky colors, the main issue I observed is pushing a bit to much towards the red in certain reef scenes, which introduces a noticeable magenta color cast into the water column, too.

 

So if I understand correctly, you

 

1. Kept the camera set to either auto WB or underwater WB;

2. Did not use a red filter on the camera; 

3. Did not use a blue filter on the lights; and

4. Did not do any color correction in post or increase the saturation in post?

 

What picture profile were you using?

 

Basically, I would not recommend using the underwater WB mode with the video lights, as underwater WB will set the WB too warm for subjects primarily lit by your lights. That could account for the red push in some of the shots. Auto WB or fixed WB (5500k) would work better for shots primarily lit by your lights. 

 

In terms of exposure strategy, I would actually try to keep the lights on full power unless the ambient light conditions are /really/ dark. Basically start around F8, 1/50, ISO 400. I doubt your lights on full power would cause overexposure at such a setting. If you find that this produces a water column that is too dark, then raise the ISO and lower the power of the lights to avoid overexposing the foreground. If the exposure is too bright, leave the lights on full power and lower the ISO first. If still overexposed at F8, 1/50, ISO 100, start closing down the aperture further until F16, then start raising the shutter speed. I can't think of any conditions underwater where F16, 1/100, ISO 100 would cause overexposure from either the ambient light or the artificial light, even at midday in shallow water.



#16 Interceptor121

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Posted 20 March 2019 - 04:49 AM

I was referring to the close ups where the highlights are definitely clipped there are also some colour issues but clipping is apparent. You can clip at close range easily (by close i mean less than 1 foot)


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#17 tubestance

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Posted 20 March 2019 - 05:54 AM

Very nice. Those reefs are packed with life!


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#18 Laval

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Posted 22 March 2019 - 05:02 PM

In terms of the funky colors, the main issue I observed is pushing a bit to much towards the red in certain reef scenes, which introduces a noticeable magenta color cast into the water column, too.

 

So if I understand correctly, you

 

1. Kept the camera set to either auto WB or underwater WB;

2. Did not use a red filter on the camera; 

3. Did not use a blue filter on the lights; and

4. Did not do any color correction in post or increase the saturation in post?

 

What picture profile were you using?

 

Basically, I would not recommend using the underwater WB mode with the video lights, as underwater WB will set the WB too warm for subjects primarily lit by your lights. That could account for the red push in some of the shots. Auto WB or fixed WB (5500k) would work better for shots primarily lit by your lights. 

 

In terms of exposure strategy, I would actually try to keep the lights on full power unless the ambient light conditions are /really/ dark. Basically start around F8, 1/50, ISO 400. I doubt your lights on full power would cause overexposure at such a setting. If you find that this produces a water column that is too dark, then raise the ISO and lower the power of the lights to avoid overexposing the foreground. If the exposure is too bright, leave the lights on full power and lower the ISO first. If still overexposed at F8, 1/50, ISO 100, start closing down the aperture further until F16, then start raising the shutter speed. I can't think of any conditions underwater where F16, 1/100, ISO 100 would cause overexposure from either the ambient light or the artificial light, even at midday in shallow water.

 

 

Thank you for your recommendations, dreifish.  Everything make sense now.  I will follow your recommendations in the future.  Regarding picture profile, I used standard, plus I did some color correction, but did not change saturation.  By the way, I checked your YouTube channel, and watched many of your films about Raja Ampat and Komodo, and was very impressed.  I wish I could create something close to it one day.  Great films!

Thank you again,

Val



#19 Laval

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Posted 22 March 2019 - 05:04 PM

The keldan can be reduced to a very low lower
Typically you set the camera to the best optical settings that depend on the lens and on the frame rate you use
Say you shoot at 24p you will use 1/50 which is rather slow shutter speed then set aperture as require by the depth of field you need and start at lowest iso possible see if your light can create the right exposure but start at lowest setting not 100%
Probably your sony has zebra to mark clipped highlights set it to 100% or less if you shoot log and you will be able to see what you are clipping



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Great tips!  Thank you, Interceptor121.  I did not use zebra, but will use in the future.  Thank you again.







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