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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses
Thread started 17 Dec 2014 (Wednesday) 10:12
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EF 100-400mm f/4.5-5.6L IS II USM Review WOW!

 
digital ­ paradise
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Mar 21, 2016 19:38 |  #3361

Pondrader wrote in post #17943535 (external link)
They are Loctite from factory so my philosophy is don't fix what isn't broke !!

As I recall someone (I think Dave) stated there was only one or two out of the 4 that had Loctite but I agree. Don't start goofing around until there is a problem. If anyone needs to, a spare set of factory screws would-be good to have around.

Dave (Choderboy) has the most experience with this one.


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Pondrader
"now I'm no rocket scientist but I do get a shot or two"
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Mar 21, 2016 20:50 as a reply to digital paradise's post |  #3362

That may have been Dave's problem in the first place not have all four Loctite


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digital ­ paradise
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Mar 21, 2016 21:16 |  #3363

Pondrader wrote in post #17943778 (external link)
That may have been Dave's problem in the first place not have all four Loctite

That is very possible. Got two done and then the lunch bell went. Employee got distracted upon returning. I've seen that happen.


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Choderboy
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Mar 22, 2016 01:46 |  #3364

I'm feeling pretty confident in my fix now, it's been 3 months.
My typical carrying method:

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Choderboy
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Post has been edited over 1 year ago by Choderboy.
Mar 22, 2016 02:00 |  #3365

Reasonable walk in the bush this afternoon:

Tawny Frogmouth.

IMAGE: https://farm2.staticflickr.com/1664/25346392844_cfdf4d196e_o.jpg

Powerful Owl.

IMAGE: https://farm2.staticflickr.com/1480/25884127741_bce991bc5e_o.jpg

Sacred Kingfisher.

IMAGE: https://farm2.staticflickr.com/1505/25979069975_bd435944e9_o.jpg

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skid00skid00
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Mar 22, 2016 02:01 |  #3366

Choderboy wrote in post #17944030 (external link)
I'm feeling pretty confident in my fix now, it's been 3 months.
My typical carrying method:

thumbnailHosted photo: posted by Choderboy in
./showthread.php?p=179​44030&i=i134230609
forum: Canon EF and EF-S Lenses

I'd never put that kind of jolting impact stress on that mount. I expect a post from you describing mount failure at some point in the future...




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Choderboy
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Mar 22, 2016 02:04 |  #3367

skid00skid00 wrote in post #17944045 (external link)
I'd never put that kind of jolting impact stress on that mount. I expect a post from you describing mount failure at some point in the future...

When you say "that mount", are you aware of "my mount" ?
It's a lot stronger than the stock mount.


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JM45ACP
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Mar 22, 2016 06:50 |  #3368

They are Loctite from factory so my philosophy is don't fix what isn't broke !!

I agree I was checking to see if they needed it and they don't so It stays as it is.


John
7D Mark II==7D == EF 24-105mm f4L IS USM == EF 100mm f/2.8LMacro==70-200mm f2.8L IS II USM == EF 70-300mm f/4-5.6L IS USM UD == EF 100-400mm f/4.5-5.6L IS II USM==Speedlite 430 EX II == Benro A1980F Tripod W/ Opteka GH1 Gimbal Head==Manfrotto Monopods 680B==294-4==Various Cables Wireless Triggers and Other Stuff== PHOTO EDITING OK

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Pondrader
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Mar 22, 2016 07:10 as a reply to JM45ACP's post |  #3369

Ya I did the exact same thing


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JM45ACP
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Mar 22, 2016 09:03 as a reply to Choderboy's post |  #3370

Even though your mount isn't the factory one I'd still be nervous carrying it like that especially with the issues you had. All my gear is insured and I still can bring myself to do that.:-)
John


John
7D Mark II==7D == EF 24-105mm f4L IS USM == EF 100mm f/2.8LMacro==70-200mm f2.8L IS II USM == EF 70-300mm f/4-5.6L IS USM UD == EF 100-400mm f/4.5-5.6L IS II USM==Speedlite 430 EX II == Benro A1980F Tripod W/ Opteka GH1 Gimbal Head==Manfrotto Monopods 680B==294-4==Various Cables Wireless Triggers and Other Stuff== PHOTO EDITING OK

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skid00skid00
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Mar 22, 2016 10:29 |  #3371

Choderboy wrote in post #17944047 (external link)
When you say "that mount", are you aware of "my mount" ?
It's a lot stronger than the stock mount.

Ummm.....

I was going to thank you for showing the images of 'that mount'... yesterday. Bad memory retention!
However, does that mount still rely on 4 tiny screws into the mounting ring on the lens?
*If* so, my point still stands. (Otherwise I'll just quietly slink away :) ).




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Choderboy
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Mar 22, 2016 12:19 as a reply to skid00skid00's post |  #3372

The screws are now secured with metal epoxy and so is the alloy plate with the 3/8 thread.


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digital ­ paradise
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Post has been edited over 1 year ago by digital paradise.
Mar 22, 2016 13:37 |  #3373

Choderboy wrote in post #17944462 (external link)
The screws are now secured with metal epoxy and so is the alloy plate with the 3/8 thread.

I was looking into a foot from Kirk or RRS but the same problem would exist. The foot still has to connect to that plate. Not that I'm having that problem.


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Choderboy
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Mar 22, 2016 13:49 as a reply to digital paradise's post |  #3374

Yep. A replacement foot does address a poor design IMHO, the stock foot has a curve at the rear so a typical lens plate has nothing to prevent it rotating. 300 f4, 400 5.6, 70-200 etc all have a 90 degree bend at the rear providing rotation resistance.


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MedicineMan4040
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Mar 22, 2016 14:55 as a reply to Choderboy's post |  #3375

Choder awesome scores! That Tawny is awesome. You have the eye, no doubt.
On your carrying method post up a pic and the naysayers might relax.
I pay up dearly to State Farm and nary a fret over the gear, it's not like
I'm going to live forever. Besides if going down I'll sacrifice a camera in
a heartbeat to save my bones.


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EF 100-400mm f/4.5-5.6L IS II USM Review WOW!
FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses


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