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TmxDiver last won the day on January 2

TmxDiver had the most liked content!

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About TmxDiver

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    Southern California
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    Wreck Diving, Cave Diving, Rebreathers

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  1. Yup, the USS Hogan is a great wreck. Here are some more pictures and some historical information: https://wreckedinmyrevo.com/2020/08/06/uss-hogan-dd-178/ - brett
  2. I think you and I have the same camera (a6400)? I personally don't try to remove the WWL-C underwater. For any given dive, once it is on, it is on. It can obviously be removed, but I almost exclusively shoot wide angle so I don't worry about it. I mention that because I didn't buy bayonet holders. Here is what I bought and use with the 16-50 lens and WWL-C: NA-36172 : SE1650-PZ Gear NA-36228 : N85 Macro Port 40 with knob (allows zooming the lens) NA-83250 : M67 to Bayonet Mount Converter II NA-82203 : WWL-C Note that you will need to zoom the lens to 17mm to avoid any vignetting. The vignette is very minimal at 16mm but it does exist. - brett
  3. A zip tie (or two for safety) should work wonders in the meantime. My guess is that the "pin" that is the bottom of the shackle somehow got a little loose and over time unscrewed. If you don't plan on unscrewing it often, you could always add some Loctite on the threads and the re-assemble it. - brett
  4. I've done quite a bit of diving on the Marissa and highly recommend it. Lora (owner) & Chris (DM) are great. Conditions on the Yukon are definitely variable in terms of current, vis, etc. - brett
  5. I regularly dive at those depths and, at least here in California, there isn't much natural light. Even if there is some natural light where you are planning to dive, the colors will all be washed out and shades of blue at that depth without any artificial light so any CFWA shots won't highlight whatever is in the "close" range. My guess is that without any artificial light, you will have to really boost ISO (resulting in grainy photos) and/or open up the aperture resulting in blurry corners (as you mention). I usually dive with a Sony a6400, the 10-18 lens and the 7" dome port (along with my rebreather, multiple stages, reels, strobes, etc.). Sometimes I use the 16-50 "kit lens" and the WWL-C. Either way, I always bring artificial light. - brett
  6. I posted some pictures earlier in the discussion (30 Aug 2020) at 28mm and 30mm. Below is a picture at 24mm and you can definitely see the vignetting.
  7. Just remember that you need to adhere to the "lowest" depth rating of all components in the system. I believe most Nauticam housing are rated to 100m unless you get some special seals put in them. Also, some of the larger domes are depth rated to 60m. One of the reasons I got the N85 7" acrylic dome instead of the 180mm glass dome is the 60m depth rating on the latter.
  8. https://7till8.com/ I have a 3mm dive wetsuit with integrated hood from them.
  9. I've seen 160g and 190g dry weight. It is pretty light, especially in the water. I don't even notice it when I have it clipped off on a D ring.
  10. Of course! My brain spaced out for a bit there with the 24 mm FF equivalent on the APS-C for the WWL-C and the 28mm on the FF for the WWL-1(B). That article is definitely on my list to read. I downloaded it 1-2 weeks ago but "life got in the way" along with a MOD3 cave rebreather course which I recently completed. Thanks, Phil. - brett
  11. What if you factor in using the WWL-1(B)? It seems like the "ultimate" system would be the A7c with the new upcoming FE 24mm prime? The F/2.8 is nice above water but doesn't matter much under water. Thoughts? - brett
  12. I have the iQsub case for the GoPro 7 and it is "bombproof." I've had it to at least 260 fsw. It is very simple to use and to know that it is sealed. I never have to worry about it no matter how much gear I have and no matter what it can bang into. I take it on almost every dive either clamped to the top of my camera housing to shoot video or clipped off on a D ring if I'm not taking my camera. I'm not associated with iQsub but I highly recommend their housings.
  13. Hi, I just got back from my MOD3 rebreather course at Eagles Nest cave so I've been offline for about a week working on that. Anyway, here are some posts on my blog site with photos taken with the WWL-C and the Sony 16-50 "kit" lens. Some of them have objects in the corners so you can get an idea of the sharpness and some of them are relatively deep in cold, dark waters in California. If you want specific settings for any of the photos, just let me know which one(s). All of these photos were taken with the WWL-C. F4D in Santa Monica Bay @ 205 fsw: https://wreckedinmyrevo.com/2021/02/12/f4d-skyray-santa-monica-bay-205-fsw/ Vashon / USS Cockatoo at Catalina Island @ 150 fsw https://wreckedinmyrevo.com/2021/01/24/uss-cockatoo-amc-8-the-vashon-catalina-150-fsw/ Nightingale in San Pedro @ 145 fsw https://wreckedinmyrevo.com/2021/02/25/the-nightingale-san-pedro-145-fsw/ SBD Dauntless in San Diego @ 195 fsw https://wreckedinmyrevo.com/2021/02/06/sbd-3-dauntless-san-diego-195-fsw/ - brett
  14. I've had my Vaquita a while but have only used it a couple times. I had the original Paralenz and used it relatively often so I'm familiar with the form factor, features, etc. I've noticed a few things about the Vaquita: 1. Battery life doesn't seem to be great. My "normal" use case was mounting it on my camera housing to take video footage as a backup while I was taking stills. Most of my dives are deeper and so the bottom time is usually 20-25 minutes a dive and the battery would drain rather quickly. I don't (yet) have any scientific data on that but something I observed. 2. The image stabilization doesn't seem great. They were fixing this in firmware and it still seems like it isn't as good as a GoPro. This is also something I'm assuming they will improve over time. 3. I did a shallow shore dive (30-50 feet probably) a couple months ago to test it out again and I took still pictures. I could very well have had something incorrectly configured, but I noticed that it appeared to favor slower shutter speed to get a lower ISO. The result was blurred images. I'm not a great photographer, but I'm not that bad! (BTW, this was with the latest firmware available at the time (mid-Feb 2021). Below is an example which was 1/30th, f 2.8, ISO 159 I have been working on a lot of other projects and really haven't had much time to work on figuring out what is going on with it or reporting bugs, etc. And, it is possible I'm doing something wrong. I've attached an image from a GoPro 7 from the same dive area at about the same depth. The GoPro is at 1/250th, f 2.8, ISO 524. Neither of the files has any post processing. - brett
  15. Hi, The Blue Caverns are very well known. Pretty much any boat that goes to Catalina will know about that site. There are different caverns at different depths but they range from about 80 feet to about 40 feet (from memory). I think the location of the Piper is also well known. It is in the same general area if I remember. Around Bird Rock / Ship Rock. - brett
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