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Autofocus - Now You See It, Now You Don't
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Oct 7, 2014 07:38:52   #
RWR Loc: La Mesa, CA
 
jerryc41 wrote:
Yes. It's an evil lens.


I have a few such lenses, they stay on the shelf. :lol:

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Oct 7, 2014 08:35:09   #
Frank W Loc: Adirondacks in NY
 
boberic wrote:
Re: Gizmo fixes. I am always dissapointed when I look at my $600 lens and see 1 cent rubber band preventing lens creep.
You could buy expensive rubber bands...... Sorry, I didn't mean that. :oops:

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Oct 7, 2014 08:47:49   #
jerryc41 Loc: Catskill Mts of NY
 
Frank W wrote:
You could buy expensive rubber bands...... Sorry, I didn't mean that. :oops:

One size fits all.

http://www.amazon.com/Lens-Band-Stop-Creep-Black/dp/B0050KEEW0

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Oct 7, 2014 08:51:04   #
dsmeltz Loc: Philadelphia
 
Frank W wrote:
You could buy expensive rubber bands...... Sorry, I didn't mean that. :oops:


Actually you can buy expensive rubber bands.

http://lensband.com/store/

I would think those free give away advertizing bracelets (like the one for the charity LiveStrong) they pass out at functions everywhere would also do the trick.

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Oct 7, 2014 08:54:41   #
bigwolf40 Loc: Effort, Pa.
 
jerryc41 wrote:
If it were just a habit, I might be able to change it. I must be hitting the switch when I handle the lens. Another possibility is that I'm moving that switch when I intend to lock/unlock the lens to keep it from self-extending. I'll notice what happens when I go shooting today.


This is exactly what you are doing. I've done it myself a few times. Can also happen when you move the camera around taking different shots. With me it will be my left thumb moving the dial when I move the camera to take a different photo or lowering and then bringing the camera back up to my eye..Rich

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Oct 7, 2014 08:56:39   #
redhogbill Loc: antelope, calif
 
dsmeltz wrote:
Actually you can buy expensive rubber bands.

http://lensband.com/store/

I would think those free give away advertizing bracelets (like the one for the charity LiveStrong) they pass out at functions everywhere would also do the trick.


you are correct!! see review from an amazon customer

Most Helpful Customer Reviews...........



9 of 9 people found the following review helpful
Yes, it works, but its really just a wrist band.
By 1 Cor 1:18 on May 28, 2012

I bought this band for my 28-135mm Canon lens, I works fairly well and the black blends in well with the lens.
The thing is, all they really are are rubber Wrist Bands that say "Lens Band" on them. When I got it I was disappointed that I had in effect paid 12 bucks(including shipping) for it when I had some laying around the house that I got for free. I actually have a couple that work better.
Nothing against the company, but If you are thinking about buying this lens band, try a rubber wrist band first...

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Oct 7, 2014 08:59:52   #
dsmeltz Loc: Philadelphia
 
redhogbill wrote:
you are correct!! see review from an amazon customer

Most Helpful Customer Reviews...........



9 of 9 people found the following review helpful
Yes, it works, but its really just a wrist band.
By 1 Cor 1:18 on May 28, 2012

I bought this band for my 28-135mm Canon lens, I works fairly well and the black blends in well with the lens.
The thing is, all they really are are rubber Wrist Bands that say "Lens Band" on them. When I got it I was disappointed that I had in effect paid 12 bucks(including shipping) for it when I had some laying around the house that I got for free. I actually have a couple that work better.
Nothing against the company, but If you are thinking about buying this lens band, try a rubber wrist band first...
you are correct!! see review from an amazon custom... (show quote)


I thought the bands were only around $5.00. The shipping is more than the band? Geeezzzz :lol:

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Oct 7, 2014 09:03:05   #
Frank W Loc: Adirondacks in NY
 
redhogbill wrote:
you are correct!! see review from an amazon customer

Most Helpful Customer Reviews...........



9 of 9 people found the following review helpful
Yes, it works, but its really just a wrist band.
By 1 Cor 1:18 on May 28, 2012

I bought this band for my 28-135mm Canon lens, I works fairly well and the black blends in well with the lens.
The thing is, all they really are are rubber Wrist Bands that say "Lens Band" on them. When I got it I was disappointed that I had in effect paid 12 bucks(including shipping) for it when I had some laying around the house that I got for free. I actually have a couple that work better.
Nothing against the company, but If you are thinking about buying this lens band, try a rubber wrist band first...
you are correct!! see review from an amazon custom... (show quote)

I don't even have any lens creep but I use one anyways, it makes people think I have an expensive lens. :-D

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Oct 7, 2014 09:18:09   #
redhogbill Loc: antelope, calif
 
Frank W wrote:
I don't even have any lens creep but I use one anyways, it makes people think I have an expensive lens. :-D




:thumbup:

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Oct 7, 2014 09:23:49   #
Swamp Gator Loc: Coastal South Carolina
 
jerryc41 wrote:
Yes. It's an evil lens.


Well, as long as the lens isn't telling you to do awful things like those creepy, scary dolls in the horror movies. :shock:

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Oct 7, 2014 09:25:54   #
jerryc41 Loc: Catskill Mts of NY
 
Stand out from the crowd. Use a different color for each lens.

http://www.amazon.com/Goody-Ouchless-Scrunchie-Jersey-Variety/dp/B000KOI6RK/ref=sr_1_4?s=beauty&ie=UTF8&qid=1412688315&sr=1-4&keywords=scrunchy

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Oct 7, 2014 10:34:29   #
mwsilvers Loc: Central New Jersey
 
jerryc41 wrote:
I'll be out shooting with my 28-300mm lens, and all of a sudden, autofocus isn't working. Then I see that the Manual/Auto switch has been moved to Manual. This has happened to me several times, so I'm going to resort to a high tech solution - a small piece of black electrical tape.


Never had that happen to me accidentally on any of my lenses. Is the switch loose?

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Oct 7, 2014 13:56:05   #
amfoto1 Loc: San Jose, Calif. USA
 


There are people who do that when they shoot with multiple cameras, so they can quickly identify which is which when shooting fast and swapping back and forth a lot.

Quote:

Never had that happen to me accidentally on any of my lenses. Is the switch loose?


Happened all the time to me with certain lenses: AF or IS turned off or settings incorrect. Has happened with camera mode dials and other settings, too. Particularly when shooting with two or three cameras, so that one or two are hanging at my side while moving around.

No, the switches aren't loose or anything. It's just that they protrude a bit and are easily bumped, changing the settings.

The weirdest (and, thankfully, the rarest) have been some settings rather deep in menus that somehow got changed. One time, completely out of the blue, one of my cameras was rather strongly biased toward a magenta tint so that every one of 1200 images made with it that day needed correction (thank Heaven for Lightroom). No idea how that got changed... It takes several steps to get there and I know I wasn't foolin' around in that area of the menu. Oh well, there are always some mysteries in life.

I've got small strips of black gaffer tape on several lenses and a couple cameras rather permanently. It solves the worst of the problems.

I also bitched and moaned for years about how easily certain dials on the cameras I used were bumped into incorrect settings, that the manufacturer finally implemented a simply locking mechanism on more recent models. Now, I don't claim sole credit for getting them to make the change, but I certainly was one of the loudest of a number of cheerleaders calling for some improvement. Manufacturers do listen to their customers sometimes!

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Oct 7, 2014 14:16:44   #
anotherview Loc: California
 
Have a similar mechanical problem with my Fujifilm X-E2. I have to locate my gaffer tape.

The focus selection switch sits on the face of the camera, where evidently it remains subject to inadvertent movement that changes the setting.
jerryc41 wrote:
I'll be out shooting with my 28-300mm lens, and all of a sudden, autofocus isn't working. Then I see that the Manual/Auto switch has been moved to Manual. This has happened to me several times, so I'm going to resort to a high tech solution - a small piece of black electrical tape.

Reply
Oct 7, 2014 17:12:06   #
Lazy Old Coot Loc: Gainesville, Florida
 
Jerry, Doesn't the +/- exposure compensation show in your viewfinder? I would think you would see it when you frame your shot. ..... Coot

Edit: Oops, sorry Jerry. Just realized it was Mt's client that had the exposure problem and your's was auto focus. ..... Coot

jerryc41 wrote:
That's it! It was one of those people at the car show. :D

When I go out shooting today, I'll be more careful and notice what my fingers are doing. I don't have any nervous ticks yet. This is a very infrequent problem, so it might be hard to track down. It could be that when I hold the lens to shoot, my hand moves the switch.

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