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The Gentleman's Underwater Bubble Blower Thread

Is there going to be a quiz on this material? If so, I hope it's multiple choice (always go with D, all of the above, that's my strategy), I never really paid attention in school. As such, I find essay questions especially difficult.
 
Mike, I'll take a copy, thanks very much. redseapictures@gmail.com

Done

I would really like a copy Mike thanks .
markvancoller@gmail.com

and done

Is there going to be a quiz on this material? If so, I hope it's multiple choice (always go with D, all of the above, that's my strategy), I never really paid attention in school. As such, I find essay questions especially difficult.

And yes there will be a quiz and sorry essay only - to many scammers on the multiple choice. Time to brush up on your entrance pupils and nodal points, refractive index of various types of water, glass vs. acrylic etc. and logarithmic curves.

Those that pass the test will receive the highly coveted Gomer T. McNeil "UWey" award
 
Matt -- My hand is raised. I'd like to see it. Maybe add it to my planned looping video in the Gates Underwater Imaging Museum.

The first live underwater broadcast I am aware of was done at the Grand Congloué in the south of France, 1953. I don't recall the specifics but I believe it was transmitted from France to England. There is a recording of the broadcast available via one of the French stock companies. Captain Cousteau and Albert Falco are both interviewed and I believe Falco shot the underwater camera. If anyone is interested let me know and I'll dig through my old research to find out exactly where you can see it.
 
Hahahaaaaa.... An essay test on optics. "Explain the difference between a nodal point and entrance pupil, and why this is important for underwater imaging." Can't wait to read the answers!


And yes there will be a quiz and sorry essay only - to many scammers on the multiple choice. Time to brush up on your entrance pupils and nodal points, refractive index of various types of water, glass vs. acrylic etc. and logarithmic curves.

Those that pass the test will receive the highly coveted Gomer T. McNeil "UWey" award
 

Done


The first live underwater broadcast I am aware of was done at the Grand Congloué in the south of France, 1953. I don't recall the specifics but I believe it was transmitted from France to England. There is a recording of the broadcast available via one of the French stock companies. Captain Cousteau and Albert Falco are both interviewed and I believe Falco shot the underwater camera. If anyone is interested let me know and I'll dig through my old research to find out exactly where you can see it.

Matt -- My hand is raised. I'd like to see it. Maybe add it to my planned looping video in the Gates Underwater Imaging Museum.



I second the motion!
 
Still digging John. The original place I found the footage no longer has it. I think now it may have been a June 1957 broadcast. I'll let you know what I can find.
 
Anything I can do to contribute to your museum let me know John, perhaps some recent Red Dragon footage of Cousteau's 1964 Conshelf II site in the Sudanese Red Sea, in full 6K glory, for your looping video, as well as an original copy of the National Geographic magazine that featured the site on the cover?
 
Thanks Tom, that's very considerate. If you need a dropbox link to upload the footage, I'll send by email.

Anything I can do to contribute to your museum let me know John, perhaps some recent Red Dragon footage of Cousteau's 1964 Conshelf II site in the Sudanese Red Sea, in full 6K glory, for your looping video, as well as an original copy of the National Geographic magazine that featured the site on the cover?
 
It turns out the article was "The Dome Port in Underwater Photography" by Gomer McNeil. It is an excellent condensation of the most important dome port info from his book.

I don't know how cool it is to post an entire magazine article on a public forum, but I would be happy to email a copy to anyone that wants it. Just send me an email to the address below and I'll attach it to a reply.

I would love to read a copy if that isn't too much trouble.

matthutchings@mail.com

Thanks very much!
 
Hello all,

I have a a Scarlet-W on preorder to go inside of the Nauticam Weapon LT housing.

I have been tossing and turning about lenses however. I would like a nice wide, something capable to capture white pointers and smaller pelagic life. At present I am thinking the Canon EF 16-35mm f/2.8L II USM with the 230mm dome. I'm a little worried about the crop factor reducing the wide end to 23.9 at 5k (If I am using the CF tool correctly). As I type this I realise that probably isn't what I am looking for...

I would also like a macro lens. Looking at the Canon EF 100mm f/2.8L Macro IS USM for that purpose.

Can you knowledgable chaps and chapettes enlighten me with your recommendations. I feel as though my direction needs to be refined with knowledge and not port charts!

The Nauticam port charts can be found here...

http://nauticam.com/images/catalog/catalog_35.pdf

Thanks in advance.

Matt H
 
Hello all,

I have a a Scarlet-W on preorder to go inside of the Nauticam Weapon LT housing.

I have been tossing and turning about lenses however. I would like a nice wide, something capable to capture white pointers and smaller pelagic life. At present I am thinking the Canon EF 16-35mm f/2.8L II USM with the 230mm dome. I'm a little worried about the crop factor reducing the wide end to 23.9 at 5k (If I am using the CF tool correctly). As I type this I realise that probably isn't what I am looking for...

I would also like a macro lens. Looking at the Canon EF 100mm f/2.8L Macro IS USM for that purpose.

Can you knowledgable chaps and chapettes enlighten me with your recommendations. I feel as though my direction needs to be refined with knowledge and not port charts!

The Nauticam port charts can be found here...

http://nauticam.com/images/catalog/catalog_35.pdf

Thanks in advance.

Matt H


Matt:

The Canon 11-24 L is a great lens. The Tokina 11-20 (the update of the 11-16) is also a very good lens and quite a bit cheaper and 1 stop faster since it was designed for APS-C/S35 whereas the 11-24 has to cover full frame as well.
 
Matt:

The Canon 11-24 L is a great lens. The Tokina 11-20 (the update of the 11-16) is also a very good lens and quite a bit cheaper and 1 stop faster since it was designed for APS-C/S35 whereas the 11-24 has to cover full frame as well.

Thanks Michael. I'm not quite sure I can swallow the price tag of the Canon. Although it does seem the most logical of choices. Unfortunately I don't believe Nauticam support the 11-20 as of yet. I will look into the 11-16 instead. The price tag is dramatically less!
 
You are spoiled for choice with APS-C ish sized sensor wides.

My gut feeling is that Canon 10-22 is best overall. I'm doing a fair bit with Sigma 8-16 as well (slow, but very wide) and am quite happy with it in blue water. Sept is reef and wreck time here for the Goliath Grouper aggregation, and I'll have a lot better feel for wides on the format in a few weeks.

Don't worry about lens support, we can do gearing for it on demand. The 11-16 gear set is extremely close, and you can make it work with a bit of camera tape, but making a more professional solution isn't a problem.
 
You are spoiled for choice with APS-C ish sized sensor wides.

My gut feeling is that Canon 10-22 is best overall. I'm doing a fair bit with Sigma 8-16 as well (slow, but very wide) and am quite happy with it in blue water. Sept is reef and wreck time here for the Goliath Grouper aggregation, and I'll have a lot better feel for wides on the format in a few weeks.

Don't worry about lens support, we can do gearing for it on demand. The 11-16 gear set is extremely close, and you can make it work with a bit of camera tape, but making a more professional solution isn't a problem.


Interesting your take on the 10-22. Back in the early Redone days I posted a couple of shots with the 10-22 vs. token 11-16 (with the original Birger canon mount) that showed that the 10-22 was a little sharper. But it seemed like everyone went toward the Tokina - maybe because of the constant 2.8 aperture. I do remember reading that the 10-22 was basically built to Canon L series optical standards but couldn't be called an L because all L lenses have to cover full frame. I sold the 10-22 when I got a 10mm Zeiss PL mount lens that I used for a while. Right now I have the Tokina 11-20 but haven't show that much with it.

Do you prefer the 10-22 because of its inherent optical performance or that it performs better with a dome port? I know you have stated that some really good lenses don't seem to perform as well with domes (I think you mentioned that this was the case with the Nikon 14-24)

Have you compared the newer 11-20 Tokina?
 
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