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Valued Contributor
Posts: 348
Registered: ‎01-31-2017

Re: Accidental Lens Release


@Ron2 wrote:
There is a design flaw which Canon need to address

A design flaw? 

 

How did you prove it? What's your sample size and failure rate? 

Frequent Contributor
Posts: 70
Registered: ‎11-15-2012

Re: Accidental Lens Release

Have only 3 cameras and 6 Canon lenses so the sample size is statiscally too small to have a valid result.

Spend an average of 90 days in the field a year and had happened particular with a long telephoto on a tripod when rotating from landscape to portrait or viceversa.   As I said before; wait until it happens to you and the statistics will not prevent it.

VIP
Posts: 8,033
Registered: ‎08-13-2015

Re: Accidental Lens Release


@Edward wrote:

Have only 3 cameras and 6 Canon lenses so the sample size is statiscally too small to have a valid result.

Spend an average of 90 days in the field a year and had happened particular with a long telephoto on a tripod when rotating from landscape to portrait or viceversa.   As I said before; wait until it happens to you and the statistics will not prevent it.


I already posted earlier in this thread about the identical thing happening to me.  I had a large telephoto mounted by its' foot on a tripod.  When I went to rotate the lens to portrait, I wound up twisting the camera body right off the lens.  Imagine my surprise.

 

Instead of blaming the camera gear, which had never even occurred to me, I quickly realized that when I gripped the camera body with two hands to rotate the body, my finger must have hit the release button.  As I've said before, all it takes is a moment of inattentiveness, getting caught up in the flow, for an accident to happen.

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
Frequent Contributor
Posts: 70
Registered: ‎11-15-2012

Re: Accidental Lens Release

When I rotate the lens I hold the tripod by the attachment point with the left hand and shift by rotating the camera body with the right hand...there is nothing touching the lens release button. Even if accidentally touched, the lens release should be more receded and with a stronger spring.  

 

While  speaking about accidental relases, I  also had issues with a converter untintentionaly releases between the lens and the converter. At  times the pins does slides out.  

Occasional Contributor
Posts: 22
Registered: ‎12-15-2015

Re: Accidental Lens Release

Type into Google accidental lens release don’t mention a make of camera and Cannon dominate the page mostly with the D5, more than one forum, its called the dreaded accidental lens release. Cannon successfully dominate this listing
 
 
 
Frequent Contributor
Posts: 70
Registered: ‎11-15-2012

Re: Accidental Lens Release

Great info...is Canon paying attention?
VIP
Posts: 8,033
Registered: ‎08-13-2015

Re: Accidental Lens Release


@Edward wrote:

When I rotate the lens I hold the tripod by the attachment point with the left hand and shift by rotating the camera body with the right hand...there is nothing touching the lens release button. Even if accidentally touched, the lens release should be more receded and with a stronger spring.  

 

While  speaking about accidental relases, I  also had issues with a converter untintentionaly releases between the lens and the converter. At  times the pins does slides out.  


If you need to hold your tripod to rotate the camera body, then you probably need a more robust tripod.  Most definitely so, IMHO.  

 

Frankly speaking, I could care less what a Google search might turn up.  There is only one certainty.  The lens is not going to release, rotate out of the mount, and drop to the ground all by itself.  PERIOD.  

 

I will give you the same advice that I posted yesterday, or other day before.  If you assume that the problem is entirely your own fault, then you will most likely no longer from dripped lenses.  As long you as you assume that there is some manufacturing defect, then only more dropped gear is in your future.  

 

In my decades of experience, I have learned it is human nature to reject that which we do not understand.

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
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Frequent Contributor
Posts: 70
Registered: ‎11-15-2012

Re: Accidental Lens Release

Noted...

Occasional Contributor
Posts: 22
Registered: ‎12-15-2015

Re: Accidental Lens Release

I will say it again too, This is not about you or me. This is about an issue with the camera. It is for Cannon. It did not happen before it is happening now on the 5D mark 3 and will affect many more people
Esteemed Contributor
Posts: 4,947
Registered: ‎06-25-2014

Re: Accidental Lens Release

[ Edited ]

@Ron2 wrote:
I will say it again too, This is not about you or me. This is about an issue with the camera. It is for Cannon. It did not happen before it is happening now on the 5D mark 3 and will affect many more people

You can say it until you wear out your keyboard, but the fact remains that it's easy enough to hold the camera/lens combination in such a manner that the zoom and focus rings are readily accessible but the lens release button isn't. (It's not the way the book tells you to hold it, but that's beside the point.) And if you don't touch the release button, it makes no difference how easy it is to push.

 

BTW, here's another point I haven't seen anyone mention: the harder you have to push a spring. the more likely the spring is to break.

Bob
Philadelphia, Pennsylvania USA
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