blibecap

Would you be interested in an INON UWL-100?

I don't know the answer to that question

Well at this point you don't have a lot of options. Since you are threw the coating in one area to make the pictures uniform you will have to try (it's really hard) to remove all the coating from the dome or have it replaced. I believe that Backscatter offers the replacement service for the Fantasea domes.

backup for what purpose, video, spoting, focus, signaling etc?

What power is the strobe set to? It may be discharging the battery to a level that makes it take longer to recycle. You could prove this buy selecting a different strobe power and analyzing the results.

I would soak the housing in distilled water, not tap water. Distilled water does not contain the minerals and chemicals that tap water has and would leave less residue. After a good soaking and cleaning completely disassemble ithe housing, clean and lube the o'rings as well as the area where the o-ring seats and the control shafts. This is not a easy to accomplish task on a Olympus housing. You may consider returning the housing to Olympus for servicing or replacement especially since the small control o-rings are not available to the general public.

If you have knob interference you can remove the knobs and shave the top surface dowin with a file, sandpaper or whatever. they are made from a solid color infused plastic of some sort. As long as the viewfinder doesn't interfere with the control shafts you can make it work. Replacement knobs are also available from ikelite.

You need to look at the housing add on items as a once in a lifetime purchase. I agree with the purchase of a vacuum system. With the items like a vacuum system, viewfinder, strobes, arms and clamps, you purchase them once and when you upgrade your camera, you upgrade your housing and transfer all the items to the new housing. Yes you may need to get a different adapter for the vacuum system and viewfinder but that cost would be minimal in relation to the cost of new items. It may be out of your price range right now but it may be less expensive than buying a inon and then selling it and buying a nauticam viewfinder.

You should really look at the Nauticam viewfinder. You will be much happier with the Nauticam Item. The field of view and the size of the image is great. You can read more information here https://wetpixel.com/articles/thoughts-on-viewfinders-and-mini-review-nauticam-45-degree Have a great day Bill

I have see this type of cracks with acrylic plastic that had been cleaned with alcohol. That may be the case here. Do you know the history of the strobes?

You will be much happier with the Nauticam Item. The field of view and the size of the image is great. You can read more information here https://wetpixel.com/articles/thoughts-on-viewfinders-and-mini-review-nauticam-45-degree Have a great day Bill

Hi Yes they allow you to get physically closer to the subject and still be able to focus, AND they ALSO increases the size of the of the subject as if you were zoomed in more. They reduce the working range a ton making it hard to work with. These are the benefits / problems to using a diopter with the Canon 60mm macro. It would it increase the size of the subject, kind of like a teleconverter, and since your closer the object would be larger, and since you are focusing closer the depth of field will be shorter and it will be harder to focus and you probably will not get the complete item in focus. You may also have problems lighting the subject due to the distance from the lens / diopter and the lens diopter may be in the way of your lights. The only option that I see is more megapixels and cropping the picture. You did a great job on your research.

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if you dont have any takers I will gladly take them

If you ever get any information I also would be interested. BLibecap@gmail.com