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thani

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thani last won the day on July 7

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About thani

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    Sting Ray
  • Birthday 12/11/1965

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    Dubai, UAE
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  1. Thank you for sharing. it is a very good test and very encouraging result. Did you shoot in HLG profile or Standard Profile as you wrote in the clip? Why not shoot 400mbps instead of 150?
  2. Ben, I am not sure you come across this video for the LX100 II: It seems to be a good choice. It does show the Nauticam housing as well. It has similar white balance setting to the GH5. But I am not sure if they used a red filter while testing it in ambient light down to 40ft. You can ask Backscatter and they are usually helpful and prompt.
  3. It is a quite an interesting compact package as a housing. Would it be outputting 12 bit or 10 bit ProRes RAW? How much difference is there between 12 bit vs 10 bit? It has been discussed here:
  4. Rectangular wide angels are usually used as Bill said especially for video. if the lens is 16-50 APS-C this will approximately be 24-75mm in full frame equivalent. 24mm is a sweet focal length in my opinion for video. You might need an extra wide angle lens if you are shooting big structures likes wrecks. Do not forget to take lights or red filter if you are diving deep. Enjoy
  5. Nice clip, thanks for sharing. For the OP and others to benefit from this thread, here is a video that shows side by side comparison in a pool. On my big TV there is a noticeable improvement when using the dome. Remember that even a good camera setup when used with wide angle lens and a flat port, will also produce similar effects your getting with the gopro flat port. All the luck with your new compact camera setup
  6. The red filter dome looks quite different than the 6” dome advertised on amazon. I couldn’t find the specifications of the Snake River dome but it looks much shallower and thus the optical performance should be different. The price of these are quite affordable and I feel they are worth the money. But you can do your own research.
  7. Here is a dome with a filter on/off function. please note I haven’t any of those domes before. If you only shoot in shallows or where ambient light is strong, then a setup with ought artificial lights is going to work. But if you dive deeper, a pair of affordable lights should do the trick even without a red filter. Remember, that videography/photography is the art of capturing light https://www.amazon.com/Underwater-Switchable-Magnifier-Photography-Compatible/dp/B0882XB2Q7/ref=pd_rhf_eeolp_p_img_3?_encoding=UTF8&psc=1&refRID=H5T54SMCBQBZAP89H3N6
  8. May be a dome could fix this. I think the flat port on the Gopro is causing the wide angle lens to distort. Fortunately these domes are quite affordable. Make sure you get the right one for your camera, if you are buying. In this video, there are some shots underwater, you be the judge if the footage is less distorted.
  9. Thank you ben gazzal. I just dropped them an email.
  10. @Interceptor121 I might have misread your earlier comment, are you enabling false color on your external monitor or on the GH5 screen itself?
  11. I haven’t used false color before but it does make sense hence this tool can help you set exposure correctly for the main subject while managing the under/over exposed parts of the scene. @Interceptor121do you have the false color LUT always on your screen while recording? or do you expose using it and then disable the LUT? Here is in-depth video by wolfcrow explaining the sweet spots for GH5 for vlog recording. He does rely on false color tool at 22:00 for measuring exposure. It is a long technical video at the beginning but it is worth watching, I think.
  12. Thank you Matt for your encouraging words. I have dived this wreck many times and given the lockdown situation, I really long to dive it many mor times. On the crocodile fish, I used the Canon 100mm macro lens with the Metabones speedboater. It is not easy to use at all for video. I had to rest my rig on the sandy bottom for that shot :). a tripod is needed for such a lens.
  13. Cause I’m using the GH5s which lacks IBIS, I had to come up with a way to balance my rig to to make it feel like a traditional video cam rather than the DSLR restricted position. This setup up helps me avoid all types of roll, pitch and yow. It is not a final setup up but it is so balanced that I can let go of the camera midwater and it will just stay there :). I rely totally on the external monitor for all my needs: exposure/focus etc... I can adjust the camera vertically (lookup/down) by adjusting the DIY floors position.
  14. I have the 5.5” DiveandSee and I am happy with it. it is agood size for Gh5. They claim it is 450nits. I like the fact that I just charge and go. no second housing or batteries or vacuum to worry about
  15. All the shooting I've done so far with GH5s is in ambient light with red filter at depth from 20-30 meters. I manually white balance on my gray gloves. Red filters make may lose around 2 stops. That is why I use the widest aperture possible 2.8-4.0. In videos, too much sharpness is not usually a good thing. And as long as my subject is in focus, I am not worried about my images being a bit softer cause of the wide aperture. I am not sure, but I think a 2.8 on MFT is equivalent to 5.6 in FF. That is why we don’t get the same depth of field. Definitely, shooting with artificial lights is the way to go for a better exposure. There are situations where lights are not going to help such as when there are many particles in the water, or wide angle shots where the lights cannot cover/reach (wrecks, school of fish, etc...). When I expose with lights, I manually white balance without a red filter. And my workflow becomes very simple and efficient in Post. Now, because I am thinking about HDR, lights are a must have. That is another topic. I usually use monitoring tools with a new setup/camera or when I dive new waters. Once I am used to shooting in a given environment, like you I rely on my screen to measure exposure. You can use the waveform on the GH5. It occupies a large part of the screen. I think it is good to assign it a shortcut so it can be turned on/off. I am happy with the DiveandSee monitor, It has good monitoring tools and a battery that will last for a full day of diving. http://www.diveandsee.com/products/monitors-and-gopro/DNC-5A-underwater-full-HD-HDMI-SDI-Video-Monitor-Live-Video-Waveform-functions I agree with Massimo that Zebras are useful to avoid clipping highlights.
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