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thani

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thani last won the day on December 15 2019

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About thani

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    Sting Ray
  • Birthday 12/11/1965

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  • Gender
    Male
  • Location
    Dubai, UAE
  • Interests
    Water

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    United Arab Emirates

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  1. I have asked somebody to sort them out. And if they fail, I will definitely reach out to you. Thanks.
  2. Have you tried Keldan beyond the 20m rated depth with ambient light?
  3. Hi Massimo, I tried the Auto-Magic red filter which I think more suitable for deep blue waters like the red sea but I found the URPRO red filter works better for me on GH5s in our water (Arabian Gulf/Gulf of Oman - greenish tent) and the tropical waters. I am using the filter with just ambient light with very good color rendition.
  4. Hi, Did anybody have any luck ordering URPRO filters from the net online? Their site still uses the old fashion fax order
  5. Hi, I wanted to update the topic with some images that show the condition of the color checker after 4 years of use. Honestly, I am impressed with the quality of the chart especially with color blocks that are still retaining the original colors. The main problem is that the pages after a lot of use come out cause the glue deteriorates. This can easily be fixed by using super glue. If you do underwater videography as a profession or you can afford a color checker, it is worth the investment. Remember to chose a video chart that is supported by your editing/color correction program. The color checker needs good lighting to produce good result. It can get you to a good starting point for color correction or can be used as a good reference.
  6. I hope this input is not too late to accommodate in your test. I believe It is important to have a reference color to ensure that your WB is done correctly. You could use any reference chart or object (with the most dominant colors: Red, Blue, Green). Earlier I used 3 small cut outs of foam with lead attached. Now, I am using the Xrite Passport video color checker. It has a gray card and a focus card as well. It can last 3-5 years with good care. Now they even have a nano version and there are alternatives in the market. I used the color checker for my Davinci Resolve workflow. It can get you to a good start for color correction. The other point is to try to do a manual WB without a red filter. Red filter can take away about 2 fstops. With lights you really don’t need a red filter in my opinion cause the artificial light should bring the colors back as far as the lights can go. If you are trying red filter to bring the colors beyond the reach out of the light, it is a different story and quite complicated hence you need to attach blue filters to your lights. I do not trust the Kelvin rating of lights manufacturers usually - that’s why manual WB is needed. You need to try the MWB at a greater depth like 30m in addition to the depths you mentioned. Here is a link I on the color checker subject - you’ll find a link on the top of the page: Regards, Thani
  7. It makes sense, I will remove the neck straps and let you know the findings
  8. you beat me to it. I was about to post the link :} With 12 bit RAW recovering details in the shadows or highlight is much more possible than the good GH5. Cause even the10 bit at 400mbs the GH5/s cant compete with BMPCC6K. 6k should give better options for reframing/cropping as well. And as you mentioned, the 60 fps at high resolution is a great plus. The WACP looks great if one can afford it. With my past experience with BM color science, RAW and HDR, this setup up is hard to beat. I am contemplating but my GH5s is good enough for now. Isn’t it?
  9. the panasonic Leica 12-60 is my dominant lens. I really like everything about it. I used to shoot mostly 16mm FF equivalent due to bad vis in out country and my interest in shooting reef/week structure. But shooting small to medium fish portraits and behaviors with the 16mm is quite challenging cause you need to get very close to the subject which usually scares them away. My dive buddy always shoots around 24mm and he would have the best story to tell about the sea creatures than I. I was wondering why but then I discovered the secret: 24mm FF eq. The Leica 12-60 is a very good lens in all aspects. And one more thing: once zoomed all the way you can get very good closeups (magnification of 0.3x)
  10. Yes I use a screw on the lens type and on the Panasonic Leica 12-60mm f2.8-4. And I agree with you it works nicely in both blue and green water. Even in shallow water the combo GH5s/URPRO white balances nicely with no reddish no red color cast.
  11. With my GH5s I shoot mostly without light down to 30m+ (our 30m because of the thermocline and bad visibility is like 50m+ in other seas). I am quite happy with the URPRO red (orangish) filter. From my experience they produce better color rendition than the Auto-magic red filter. Auto-magic appear more reddish than the URPRO filter. http://www.urprofilters.com/productDetails.do?productID=1&categoryID=1
  12. Thank you. Deepshots looks good. You’ve mentioned you do not use autofocus anymore in another thread, do you rely on the manual focus button on the GH5 or do you use the focus gear all the time?
  13. Is there an alternative lens gear to Nauticam? I came a cross Deepshots on the net. They only have a zoom gear for the panasonic leica 8-18mm. Any experience or advise is appreciated.
  14. you are absolutely correct but sometimes the breathing ads a dramatic effect and rarely there is a sound from the reef and it’s creatures. I am getting a continuous rattling/knocking sound a long with my recorded breathing. Are you guys getting clear sound?
  15. Hi, The quality of recoded audio through Nauticam housing is not good. What is a good setup/configuration on the GH5 to help improve the audio recoding?
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