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RF100-500 Lens foot mod?
  
 
JimClark
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p.1 #1 · p.1 #1 · RF100-500 Lens foot mod?


I am wondering if anyone has used a 1/4-20 bottom tap to install threads in the second hole on the lens foot to keep the lens plate from rotating?
Jul 02, 2024 at 03:16 PM
dj63401
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p.1 #2 · p.1 #2 · RF100-500 Lens foot mod?


I use a plate from Hejnar Photo out of Illinois that is custom made for the 100-500. It has a part that goes into that hole to keep it from twisting. I have used their plates on the 100-500, 800 f11, 200-800 with great results. A small business that designs and build them in house.
Jul 02, 2024 at 04:22 PM
Abbott Schindl
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p.1 #3 · p.1 #3 · RF100-500 Lens foot mod?


I'm using a Kirk LP-71 foot, which has a front lip that keeps the plate from rotating.
Jul 02, 2024 at 05:09 PM
molson
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p.1 #4 · p.1 #4 · RF100-500 Lens foot mod?


This might be a better solution: https://www.leofoto.com/products_detail.php?id=833
Jul 02, 2024 at 06:21 PM
JimClark
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p.1 #5 · p.1 #5 · RF100-500 Lens foot mod?


Doesn't seem to be available yet.
molson wrote:
This might be a better solution: https://www.leofoto.com/products_detail.php?id=833
Jul 02, 2024 at 07:34 PM
Gochugogi
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p.1 #6 · p.1 #6 · RF100-500 Lens foot mod?


This one won't twist:

https://www.bhphotovideo.com/c/product/1784737-REG/wimberley_ap_607_replacement_foot_for.html?ap=y&smp=y&lsft=BI%3A514&gad_source=1&gclid=CjwKCAjwyo60BhBiEiwAHmVLJfWXEehzdFMMaxE4wtByoofl3jW3dLqmD0vWIMIu_Ea1izy9uY0HtRoCbwoQAvD_BwE

Kirk has a similar foot design too.

If you just want an arca plate, Hejnar makes one with a post to lock in that extra hole to prevent twisting.
Jul 02, 2024 at 07:42 PM
JimClark
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p.1 #7 · p.1 #7 · RF100-500 Lens foot mod?


Does anyone know if the foot is Aluminum?
Jul 02, 2024 at 08:30 PM
molson
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p.1 #8 · p.1 #8 · RF100-500 Lens foot mod?


JimClark wrote:
Doesn't seem to be available yet.




It probably is, if you contact them.
Jul 02, 2024 at 09:06 PM
dj63401
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p.1 #9 · p.1 #9 · RF100-500 Lens foot mod?


If you are interested in the Hejnar lens plate

https://www.hejnarphotostore.com/product-p/d016..htm
Jul 02, 2024 at 09:32 PM
 


Search in Used Dept. 

ammamm
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p.1 #10 · p.1 #10 · RF100-500 Lens foot mod?


Hello,
My first post here.
Perhaps a $1 solution. I am always careful about not scratching the bottom the lens foot (OCD). So over the years I have used thin one-sided self-adhesive foams on the plate (sticky side on the plate). When you screw the plate to the lens foot, the foam gets squished and takes the shape of grooves under the lens foot, preventing the plate from rotating. Hope this helps if you are after a cheap solution.
Jul 03, 2024 at 07:28 AM
Mickey
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p.1 #11 · p.1 #11 · RF100-500 Lens foot mod?


ammamm great first post. Welcome to the forum.
Jul 03, 2024 at 08:27 AM
juststeve
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p.1 #12 · p.1 #12 · RF100-500 Lens foot mod?


The Leofoto design is far better than the piece of crap Canon product. It should not put the lens on the ground like the Canon can.
Jul 03, 2024 at 09:18 AM
gavin_emmons
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p.1 #13 · p.1 #13 · RF100-500 Lens foot mod?


I ended up purchasing a knock-off replacement foot available on Amazon:

https://www.amazon.com/gp/product/B09NPMSHLS/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

It works quite well, is Arca Swiss compatible, and balances better than the Canon foot.
Jul 03, 2024 at 03:13 PM
garyvot
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p.1 #14 · p.1 #14 · RF100-500 Lens foot mod?


I use this inexpensive iShoot replacement collar available on Amazon:

https://www.amazon.com/gp/aw/d/B09NPMSHLS?psc=1&ref=ppx_pop_mob_b_asin_title

It fits and works well. Rotation is very smooth, and the foot has safety stops.

The only issue for some may be that the foot is relatively short. So if you need a longer foot for balancing on a gimbal, it might not be the right thing.

I also picked up their model for the RF 70-200 2.8L, even though I will probably use that lens without a collar most of the time.

Edit: ninja'd by @gavin_emmons@. That will teach me for not reading to the end of the thread, haha. Anyway, I'll leave this here as a second endorsement.
Jul 09, 2024 at 02:34 PM
Gochugogi
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p.1 #15 · p.1 #15 · RF100-500 Lens foot mod?


The iShoot products I own are well made and designed—much better than Canon's original. Their arca replacement foot for the EF 100-400 L IS USM II even has finger grooves so the foot can double as a carry handle.
Jul 10, 2024 at 02:39 AM
SSO-Images
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p.1 #16 · p.1 #16 · RF100-500 Lens foot mod?


Yes, I've been using a 1/4-20 second screw to prevent rotation. It works just fine.


Jul 11, 2024 at 10:35 AM
redford01
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p.1 #17 · p.1 #17 · RF100-500 Lens foot mod?


The Leofoto CFC-01 Replacement Foot for Canon RF 100-500mm is now in stock at Leofoto USA.


Jul 20, 2024 at 05:09 PM
nhanzero
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p.1 #18 · p.1 #18 · RF100-500 Lens foot mod?


I use the Hejnar one, QD slot included to use with MagPul strap

https://www.hejnarphotostore.com/product-p/d060.htm
Jul 20, 2024 at 06:12 PM







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