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bghazzal last won the day on May 19 2020

bghazzal had the most liked content!

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About bghazzal

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    Underwater video -
    Filming on breath-hold in addition to scuba -
    Working with ambient light -
    Macro video -

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  • Camera Model & Brand
    Lumix LX10 - Olympus TG5 - GoPro7
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    Nauticam NA-LX10
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    UR-PRO CY Filters

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  1. Interesting for VTO - have you seen Stern's videos on VTO training such as these ones? He seems to imply that it can be taught, if you understand the mechanics involved and actively train the muscles (there 3 or 4 different types of VTO mechanisms, some being more accessible easier to train than others) This one is along the same lines: https://therapystop.wordpress.com/learning-to-hands-free-equalize/ https://therapystop.wordpress.com/hands-free-equalization-for-the-beginner-and-the-curious/ Interesting stuff. I'm currently in the phase where I can do VTO head up, and to a certain angle, but heads down is still difficult. Apparently this is normal, and you need to gradually go into it, making angles of descent steeper, equalising really often, to avoid letting the pressure build up to much, as it's much less forgiving than a frenzel. We'll see how it goes and if I manage to get it consistent enough to do it heads down... Restrictions are coming back where I am at the moment, but I'm lucky enough to have unlimited access to a 10m pool in tropical weather, so DYN and STA it is, with the wife as a buddy! cheers b
  2. Found some interesting tips here - This here is mostly a basic introduction to breath-hold UW photography Interesting as well: And still more photography-focused:
  3. As an update, I've just finished my Wave 2 training - and I currently have the requirements for Wave 3 / Aida 4, but would need to work on a good 40m depth in constant weight and free-immersion, as I'm not there yet. Pausing on the levels to practice and consolidate what I learned so far. It's been very interesting but I feel a very clear need need to push the confort zone in classical apnea disciplines, and gain more experience before bringing/using the camera. Last training session, I started incorporating hang-times at 20m+, but not quite confortable yet, it's all still a bit to new. Depth-wise, my ultimate aim would be to be able to do 40m real confortably, the idea being that this will give me a lot of confort and time at 0 to 20m. I'd like to bring my static breath hold to 4+ minutes relaxed, so working on CO2 tables and apnea walks. I'm guessing for filming on breath-hold, aims would be comfortable with hangs in the 30 to 40m, in order to be really relaxed at 0 to 20m and also to be able to switch out of relaxed neditative focus to open up on the outside will be crucial. I'm also aiming to get comfortably over 100m in dynamic training, to have more time to film comfortably in the shallows. We've been using neck weights, so a transition to a slightly negative camera should be smoother. An interesting part is hands-free equalisation. I was already doing a K/SP frenzel on scuba (came from having the reg in the mouth) and have very flexible tubes. I can do hands free (equalised to 10m yesterday head up and down), but i'ts not consistent, so I'm trying to really understand and master the motion to repeat it smoothly in any position, could be great with the camera in hands. I'd done it before on scuba but usually waited too long, letting the pressure build up, which makes VTO impossible. Anyway, all this to say that there's a lot of training ahead, but it's also quite stimulating to get into this after almost 3000 dives on scuba... I'll follow my hang time and general comfort to see when I can start playing around seriously with the camera on breath-hold. My wife is now W1 qualified, with a max depth of 20m, so I now have a qualified buddy to work with in the shallows. I'll report back on this once I've played around with breath holding some more. cheers b
  4. Thanks, this is very interesting. I plan on doing preparatory dives to lock in the WB at different depth 10, 20 - will be staying below 25m anyway for light quality. Regarding the landyards and entanglement risk, I was thinking of adapting a short velcro safety landyard. With my rig, with a big 900gm float I'm about 300 grams negative, which is comfy, but would sink slowly if dropped. I have a flat wide wet lens (Inon UWH100), so no big dome issues.
  5. Thanks - I've taken Molchanovs wave1 and will probably continue up to wave3 or Aida4 in the near future, if all goes well. But I haven't had the chance to experiment with the camera outside the pool as seas were rough with the moonsoon, hope to do so over the next couple of months. How do you organise yourself for filming - Do you start rolling from the surface then dive, or do you start when at depth? Do you have any training tips to maximise shooting time? I would love to see some examples of videos you shot on breath hold if you have some up somewhere. Thanks!
  6. Speaking of Blue Planet, here are some interviews of cameraman Roger Munns, talking about shooting for Blue Planet: https://www.youtube.com/watch?v=3rgPZ-Y-XXE https://www.youtube.com/watch?v=W29cFd4y5g8 https://www.youtube.com/watch?v=dL1qhGlM88E —————— And here are some interviews with Roger Horrocks on Blue Planet II’s cinematography: https://www.youtube.com/watch?v=sA0UKdWroYY https://www.youtube.com/watch?v=rA5pDkQa6fE https://www.youtube.com/watch?v=Yhmjl5BYIUE I love the images in the blue planet series, but must say that I also find the colour grading choices in BP2 more than a little odd at times, and have grown a bit weary of the ever present foley track / sound effects.... Same goes for the dramatisation and music, a little little over the top to my taste - defintely part of the current climate though. I wish there was a chance to see some of this footage in a rawer form, as it’s absolutely fantastic in itself…. ————— To develop my previous post, here are some other works/videographers that I find interesting for different reasons, and might interest you: Bubblevision - Nick Hope’s work Saturation, beautiful macro piece: https://www.youtube.com/watch?v=g-noK9UVWTk His classic Reef Life of the Andaman Sea https://www.youtube.com/watch?v=8ncUVddkK3Q Murky Secrets: https://www.youtube.com/watch?v=nJMZ6reOB0E and more here https://www.youtube.com/channel/UCAeADQLk_FCfXNF9wu3ti8w The soundtrack is borderline hipster-retro nowadays ——————— Ocean Vizion Emeric Benhalassa, has really nice macro work : https://www.youtube.com/channel/UC6m4oo0knxpgLE0DC7EjtHA/videos ———————— Same goes for OceanShutter / Dustin Adamson https://www.youtube.com/c/OceanShutter/videos https://vimeo.com/dustinadamson ——— And Simon at NAD Lembeh https://www.youtube.com/c/Nad-lembeh/videos ———— Eunjae im https://www.youtube.com/c/EunJaeIm/videos ———— Kay Burn Lim https://vimeo.com/kayburn ——— Sea Dragon films https://www.youtube.com/channel/UC6r1733mhs-Fj7wYisJEUeQ/videos —————— This looks promising, Ocean Souls the film: https://www.youtube.com/watch?v=SghklxQ2nag ———— Gombessa/ Laurent Ballestra https://www.youtube.com/channel/UChRWuH603te9pYd5hxlJvyA/videos https://vimeo.com/168526737 https://vimeo.com/user96965216 ————— Pelagic Life / Jeronimo Prietro Paramount Pelagic https://vimeo.com/45038806 Mexico Pelagico https://vimeo.com/102278225 Spring Sea https://vimeo.com/124788033 and here https://www.youtube.com/user/jeroprieto/videos ———————— Simon Spear https://www.youtube.com/user/simonspear/videos https://vimeo.com/viewfromtheblue ——————— Undersea Productions: https://www.youtube.com/c/UnderseaProductions/videos ———————————— Pall Sigurdsson https://www.youtube.com/c/PallSigurdsson/videos ——————— Davide De Benedictis https://www.youtube.com/c/DavideDeBenedictis/videos ———————— Sea Dragons https://vimeo.com/seadragons ——————— Global Dive Media https://vimeo.com/globaldivemedia ———————— Lucas Vaime, Mike Weitch and the Underwater Tribe https://vimeo.com/user72613668 https://www.youtube.com/c/Underwatertribe/videos —————— Nannette Van Antwerp: https://vimeo.com/nannettev ———————— Miru Kim https://vimeo.com/psymiru ——————— Guillaume Nery and Julie Gautier (films engloutis), on the storytelling, cinematic front One breath around the world: https://www.youtube.com/watch?v=OnvQggy3Ezw Ama https://www.youtube.com/watch?v=bdBuDg7mrT8 Making of Ama: https://www.youtube.com/watch?v=CI85pzpki1M and loads more here: https://www.youtube.com/channel/UCDwZ2iVPnmtjH0LTjDnWHTg https://vimeo.com/user28010126 ————— Behind The Mask, as previously mentioned https://www.youtube.com/c/BehindtheMask/videos https://vimeo.com/divestories Reef Patrol / Vanessa Cara-Kerr https://www.youtube.com/c/ReefPatrol/videos ————————— Bug Dreamer / Marcelo Johan Ogata https://www.youtube.com/channel/UCDAff3CfzyT2aMA9RvLlCpQ ———————— Flowave Films / Sonja Geier (former videographer on Mermaid, now also collaborating with Behind the Mask, really great vids) https://www.youtube.com/user/flowavefilms/videos ---------------- And more on the liveaboard videographer front: Alex Lindbloom (former Mermaid, now Snorkel Venture + freelance) https://www.youtube.com/channel/UCmns9apOCEjFXL4xrjcbsZw/videos Nu Parnupong (White/Blue Manta) https://www.youtube.com/channel/UCfsjW9S03chgdAQyJ-HT0Xw https://vimeo.com/nuparnupong Alex del Olmo (7 seas) https://www.youtube.com/channel/UCeKRSGD5pToQjDULp8mMhdA https://vimeo.com/alexdelolmo Solmar / Pelagic Fleet https://www.youtube.com/c/SolmarVLiveaboard/videos ————— Vintage diving footage here: https://www.youtube.com/channel/UCb7OYKCBLAdonix1X-iLoOg/videos
  7. There's not that much on UW video production online, compared to the mass of ressources for UW photo tutorials & tips (Wetpixel, Brett Durand, Alex Mustard....) I find these video channels interesting: https://www.youtube.com/channel/UCimkNOuckSK6gYoT2WSygqg/channels?view=49&shelf_id=4 Otherwise Behind the Mask offer basic video tutorials, and do create high quality clips, pretty much in line with their background in commercial production (think funky music, action filled + cuts to keep the viewer in his seat, speed ramping and loads of the now unescapable drone shots), not really my personal cup of tea, but solid stuff: https://www.youtube.com/channel/UCplA0OS3jhCjC3gK-5PdCMw and https://www.youtube.com/c/ReefPatrol Liquid Motion also does tutorials: https://www.youtube.com/watch?v=nDV-tkOrJ2k&list=PL3sm7PuVBo0_0j_QkER0gDEc9_ZnYEIwb&index=3 Scubazoo: https://www.youtube.com/channel/UCjR4wpFRVrH85AObW2YqmAg Otherwise good technical tips here: Interceptor121 https://www.youtube.com/channel/UCGa0iwNqQuL2Nr6QcehUf6w and here: Matthias Lebo https://www.youtube.com/channel/UCkzbAxfikgRLDf98pcyXeIQ and here: DPG https://www.youtube.com/c/DivePhotoGuide Quite a few real-life workshops as well if you dig around a little, though the more time-consuming nature of video production makes it harder to fit a workshop format... Beyond UW, I find these worth a look into: https://www.youtube.com/channel/UC7gBcKzHKc0oOR5-XiWdlFQ https://www.youtube.com/channel/UC0VID5nSIk6QDC65bHym7TQ https://www.youtube.com/channel/UC4exYtWOlHd4mL-owyyA12w https://www.youtube.com/channel/UCKyVN7fBTaQ3np4WOO7IK9A https://www.youtube.com/channel/UCPf67c3vUrFlNOERwjHyR2w https://www.youtube.com/channel/UCCiW5SSb88hl5zACG93WqQQ https://www.youtube.com/c/mattih https://www.youtube.com/channel/UCwmZiChSryoWQCZMIQezgTg Most of video discussion online seems aimed aspiring youtubers, vloggers and other ubiquitous lifestyle content creators (along with the odd DP talking about professional productions and equipment), so it's a bit of a mixed bag, but there's good info to be gleaned in these corners as well, and a lot of trends (YouTubization?) have permeated the world of of UW video as well, with the standard drifting slowly but surely towards a set, almost canonical drone-shot-drone-shot-drone-shot + speed ramping and other effects synched to epic music. Hope this helps a little, and looking forward to more info on the subject as well!
  8. It probably won't be of much help but I did find this post on filming a black water dive (author was using a GH5s) https://makingwavespro.com/2020/07/11/first-impressions-of-blackwater-video/ And also this article here: http://www.divephotoguide.com/underwater-photography-special-features/article/quick-tips-black-water-video-macro Nothing much on autofocus issues though, unfortunately (mostly locking-focus and moving with the critter) As a sidenote, digging around there seems to be little black-water video footage - quite a few slideshows of stills, how-tos for photos, but little actual videos of the critters. I've started compiling stuff found on youtube, mostly from Kona and Anilao, in a playlist ( https://tinyurl.com/YTblackwaterdivingclips ) , but would really love to see more - especially dedicated footage from videographers doing this regularly, so looking forward to seeing Spectralsepia's open-access work in the future! b
  9. Hello all, There are quite a few places and situations where donning a scuba tank is not ideal or even possible, whether for practical, legal (whales in Tonga or French Polynesia for instance), or other various reasons... I was wondering if some people here with experience shooting video on breath-hold might want to share some practical tips on the subject (such as weight, rig setup and securing without a BCD, body positions, how to increase stablity and usable time on a single breath, stable filming near the surface etc...) Personnally I've only done it a few times, but on the surface (feeding mantas in Indonesia and sea lions when I was working in Mexico for instance), and it's definitely something I'd like to be more confortable with - and I will definitely do some freediving training in the future, to try to improve bottom time, comfort and safety. I've found stability is the greatest issue when freediving - difficult to find the same kind of stable platform that a scuba gives (not to mention CCRs...), but this also has a lot to do with technique and proper weighting. When I was doing this I was trying to stay in a horizontal trim, but without a tank it probably makes more sense to go for a vertical position if one is stationary and really neutrally buoyant. I guess my aim now would be to be able to consistently get a confortable and stable 30 seconds to 1.5-minute shot down at depth, 20 metres max. Some ressources/references: I found Alex Lindbloom's recent DPG article on "Freediving Tips for Shooting Photos and Videos" very interesting, as he offers some great technical tips on shooting UW, including video, on breathold: http://www.divephotoguide.com/underwater-photography-special-features/article/freediving-tips-for-shooting-photos-videos/ And here's a breath-hold reel of his: https://www.youtube.com/watch?v=Jdu4mtKm6Nc Videographer Julie Gautier is mostly filming on breath-hold (but she was a professional freediver, and a lot of her work is staged...) https://juliegautier.com/ https://monacolife.net/interview-world-freediving-champion-and-film-director-julie-gautier/ https://www.nationalgeographic.com/adventure/2019/04/freedivers-guillaume-nery-julie-gautier-one-breath-around-world/ http://www.panthalassa.org/julie-gautier-freediving-in-poetry/ Along with Fred Buyle (mostly UW photography?) https://www.youtube.com/watch?v=1CY9Td57U24 http://www.divephotoguide.com/underwater-photography-special-features/article/interview-freediving-great-whites/ https://www.oceanographicmagazine.com/features/fred-buyle-freediving-photography/ And Behind The Mask is doing something on the subject as well: https://www.youtube.com/watch?v=Ohru9JoR3zQ There's a coupe of much older WetPixel threads that I didn't dare ressurect, here: https://wetpixel.com/forums/index.php?/topic/21764-free-diving-for-shooting-video/&tab=comments#comment-148910 https://wetpixel.com/forums/index.php?/topic/14938-freediving-video-still-a-work-in-progress/&tab=comments#comment-101388 Other articles I found are mostly photography related, which makes sense since it's probably a little more accessible on breath-hold than shooting video: http://www.divephotoguide.com/underwater-photography-techniques/article/free-diving-photography/ https://www.freedivewire.com/freediving-photography/ http://thecoraltriangle.com/stories/the-art-of-breath-hold-photography https://www.housingcamera.com/blog/underwater-photography/7-things-learned-becoming-freediving-photographer http://momentum.travel/places/introduction-breath-hold-photography/
  10. Interesting, thanks - there's some UW X3000 footage on YT but it's pretty much in line with action camera footage. https://www.youtube.com/results?search_query=X3000+underwater Could you share some personal examples highlighting the camera's possibilities? In the action cam world, the new Paralenz models such as the Vaquita also have interesting specs https://www.paralenz.com/product/vaquita
  11. Can't help out with the iphone workflow (I was using imovie, then final cut pro x) but for white balance and some post-editing flexibility I would definitely go for a flat profile on the GP7 : just turn on pro tune, set colours to "flat", white balance to "native" - other setting I was using was sharpness to low or medium, max iso to 800, min 100, and ev compensation to -0.5 to -1 if shooting up, especially in the shallows. Shutter can be left on auto, though in theory you should go for the 180 degree rule (double the frame rate), didn't work out great underwater on gopros. Results will be dull out of the box but you'll have a little more to work with in post, especially in terms of white balance.
  12. I'm in a similar situation with a compact, armless rig that is -600g negative without the wet lens and -900g negative with. Trying to get the thing neutral with foam floats so it can be modular, but can't seem to find any dedicated foam floats in Thailand (tried Stix, Carbonarm...) only float arms - Currently looking into deep fishing net buoyancy floats which should be relatively easy to source here and also EPP closed cell foam yoga things such as this: https://shopee.co.th/SPA_2-in-1-EPP-Yoga-Column-Hollow-Foam-Roller-Muscles-Feet-Release-Tool-i.134960417.2246378037 Read that Stix was polyethylene closed cell foam but polypropylene closed cell foam seems easier to source in these parts... The PVC buoyancy cylinder looks good as well.
  13. As a related note, for video only, after some hesitation between these two models I ended up going with another, the ageing Lumix LX10. Reasons for disqualifying the RX100VA - mainly no efficient UW white balance and overheating issues Resons for not going with LX100ii ( this was a tougher one) - size and design - size of an LX100ii housing is like a mirrorless, kind of defeating the purpose going with a portless compact - otherwise can't really comment on this but I was told by a couple of sources that ergonomics were somehow not great for UW video use, and also that the LX10's lens gave somewhat better results, not convinced that the LX100ii's bigger sensor would positively give better video results in such a compact. Happy with the LX10 - menu and functions are similar to the GH5, so possible to look up stuff online for video ( this probably would also be the case with the LX100 as well) - haven't tested it UW yet but have been shooting it topside within its nauticam housing - great ergonomics, fast lense - easy to white balance, good functions like back-button focus, peaking, zebras, histogram etc. - and adjustable Cine-D profile (with a little workaround), no heating issues, 15 minutes in 4K (then I think it splits the file after that? - I shoot 30 seconds to 1 minute max so not an issue), battery life ok for a 60 minute dive. No ND filter either, but don't think this will be an issue underwater - topside I've been playing around with a 67mm ND on the housing, works fine (unless you need in-camera sound recording...) On the downside i would say slow autofocus (after trying a few currently using reverted to multipoint FFS in auto, or manual)- Poor stabilisation ( best to treat it like there is none), both in 4k and 1080 No HDMI live output so no external screen option ( but it is a compact, so...) - aperture dial is clicked. Intense crop in 4K (down to 36mm) but this also allows you to use a simple wide angle wet lense like without having to zoom-in for cropping, which is actually good. I don't shoot stills but it looks like a nice capable compact as well.
  14. Hello all, I was wondering if anyone knew the size of the female threads on the Nauticam Flexitray handles that the 1 inch ball adapter screws into. I've been looking around in the specs, including the ball adapter specs, and contacted Nauticam but got no answer. Thanks ben
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