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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 12 Jul 2019 (Friday) 21:25
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RF lens on EF body

 
TeamSpeed
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Post edited 1 month ago by TeamSpeed. (2 edits in all)
     
Jul 17, 2019 09:40 as a reply to  @ post 18895232 |  #16

We all agree it could be possible, but currently per the question raised, it is not possible. There is no physical way to mount an RF lens to an EF body, other than with JB Weld, duct tape, and/or your other materials of preference. Raise the same question a year from now, and just perhaps the answer will be different.

I like that shot, I have a couple like that (but with a school bus) but the convection currents ruin the view of the jet engine. :(


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Jul 17, 2019 19:22 as a reply to  @ post 18895232 |  #17

Your post reminded me of a jet powered boat that I saw on San Francisco Bay, decades ago when I still had my sailboat and ocean raced it. A jet powered boat was moored at my marina, and I remember the name on the side of it, 'Arneson'. Searching the web I found these photos in a magazine article

IMAGE: https://i69.photobucket.com/albums/i63/wiltonw/POTN%202013%20Post%20Mar1/Arneson_zps29y4igzc.jpg

A later boat was described as

"Power whirs from matching GE T-58 turbines, rated at 1325 hp a piece and charged with an alcohol-water injection system that creates another 350 hp by cooling the air charge and sealing the compressor with a film of water, making it more efficient and hence more powerful. Inline #8 drives transfer the power. "


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Jul 17, 2019 19:28 |  #18

Yea, I love those types of vehicles. Totally outrageous. I had a friend who use to do traction pulls and at one of them this guys showed up. Didn't win but dang was it impressive.

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Jul 17, 2019 19:52 |  #19

Wanna go to school in this? :)

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Jul 17, 2019 22:37 as a reply to  @ TeamSpeed's post |  #20

Unless school buses now have AC, and the interior isn’t consumed by engine/intake/fuel source, it’s a definitive no from me:-)


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Post edited 1 month ago by Kingnog.
     
Jul 18, 2019 06:52 |  #21

It seems that my question has released some powerful forces within POTN. That debate was more than I could have imagined - I never thought it would lead to the discussion of jet-engine-powered school buses.

When I originally asked the question, I was wondering if it was not only theoretically but also realistically possible to fit an RF mount lens on an EF body. Even if Canon never made a mount, it would have been interesting if a usable lens could have been achieved via adapters, tubes, and duct tape. It seems that the answer is theoretically YES, but realistically NO.




  
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gjl711
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Jul 18, 2019 07:27 |  #22

Kingnog wrote in post #18895718 (external link)
.. It seems that the answer is theoretically YES, but realistically NO.

That's my take as well which is where the jet engine's come in. Theoretically you can have a jet powered delivery van, school bus, tractor, or outhouse (I have a picture of one of those as well) but realistically, why would you want to do it. It's only good for 1/2 time entertainment at air shows. :):):)


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Post edited 1 month ago by TeamSpeed.
     
Jul 18, 2019 09:54 |  #23

Kingnog wrote in post #18895718 (external link)
When I originally asked the question, I was wondering if it was not only theoretically but also realistically possible to fit an RF mount lens on an EF body.

I apologize, your intent on inquiring on theoretical future direction was not clear to me. :)

Kingnog wrote in post #18892722 (external link)
I see a lot of info about using existing EF lenses on new RF bodies with adapters - but is it possible to use the new RF lenses with old EF bodies? If not, is it because there are currently no adapters, or is it physically impossible?

But you have your answer now! :D Come back in a year and resurrect this thread, and let's see what the 3rd party market has done. Canon won't make one, that is very certain.


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ed ­ rader
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Jul 18, 2019 10:40 |  #24

Tom Reichner wrote in post #18894991 (external link)
.

.
If such an adaptor does not exist right now, then it is impossible. . Just because something COULD be possible someday, or WILL PROBABLY BE possible, once something is made, does not mean that it is possible now. . And the OP asked if it IS possible, not if it WILL BE possible.

Team Speed was absolutely and unequivocally correct with his logic in post #9. . Any argument to the contrary defies logic and reason.

.


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Jul 18, 2019 17:36 |  #25

TeamSpeed wrote in post #18895787 (external link)
I apologize, your intent on inquiring on theoretical future direction was not clear to me. :)

But you have your answer now! :D Come back in a year and resurrect this thread, and let's see what the 3rd party market has done. Canon won't make one, that is very certain.

Lol I’m sure you’re right, but then again there was a time when people would have been equally “very certain” about a 24-70 f4 IS Macro that no one wanted, but we were disappointed then as well ;)


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RF lens on EF body
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