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04-24-2012, 02:15 PM   #1
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Zoom creep? No, thank you! Easily solvable at home

Quite simply, with almost zero difficulties and near to zero technology, you can insert into the thin space between the body and the zoom ring, 1, or more of 1, thin sheets of paper, one over the other, and/or eventually, on 2 or 3 in narrowest areas of the body.
Usually insert this thickness of paper large few centimeters (about 1/3 ... 1/4 the circumference of the body) is sufficient to avoid that undesirable zoom creep.

You can begin to experiment with sheets of “Post-it” or similar self adesive papers, with the sticky side placed on the nearest part of the mount side of the lens, the area that remains visible and easily cleanable without disassembling anything.
May be applied two or three separated strips of paper, instead of only 1, in positions spaced to not to cover the more usefull inscriptions.
This is not an elegant solution, but certainly quick and quite effective.

After done this, if you're satisfied, you can refine the idea, do it again and optimize this simple remedy, using other better materials, as thin, more resistant black cardboard sheets, black or transparent plastic, or even metal (aluminum) and determine if, how, when and where to secure them with a little of strong or removable glue, or a strong rubber band if this obstructs nothing.
This remedy can allows a rather fluid movement but not too free as before.

You could also find a type of adhesive tape, of proven high quality (pay attention to the characteristics of the glue present!) preferably if high temperature resistant which should give good guarantee of resistance over time and quality of the adhesive present on it.

You might be able enough and lucky to resolve the problem inserting one of these sheets, calibrated so well that remains there in place, sufficiently firm (although the zoom ring is fully extended) so it does not necessarily require any point of bonding, avoiding the slightest cosmetic permanent alteration of your lens.
Sometimes, if the internal shape and the mechanical allows it, you may be able to insert sheet / sheets entirely, or almost entirely inside the zoom ring, remaining there inside: it does not disturb the eye and does its job, even better.

Warning, in this case please do NOT use the common paper because of course, if it remain inside, is not easly removable, and over time, it will crumbles and mixes into the mechanics!

----------------------------------------
POST SCRIPTUM:

I would like to avoid a possible misunderstanding: this remedy has not the function of the "zoom lock" that completely blocks the movement of the zoom to avoid damage during transport or when holding the camera around your neck.
This remedy only prevents the self-slipping of the zoom, the movement too free, when it is not sufficiently frictioned, like in the case you need to avoid the unintentional changes in focal length of many shots.


Last edited by claudioNC; 04-25-2012 at 08:51 AM. Reason: additional explanation
04-24-2012, 05:25 PM   #2
hcc
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Another option is a wrist rubber band. See https://www.pentaxforums.com/forums/pentax-dslr-discussion/161684-da18-250mm-...ion-works.html. They are ery easy to get from charity and work well.

Hope that the comment may assist some.
04-24-2012, 10:12 PM   #3
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No hcc, absolutely not. I have some units of those wrist rubber colored bands and know them well.

I use them only to differentiate or to mark some lenses and give them a different look more playful, or even for a little more protection when they are neighbors in a bag with no or few compartments separators.
It is instead a nice bracelet for kids, but really nothing more.
Ended here!

The function for which they were designed almost always fails miserably, and in the few cases where they can stop enough the zoom, reposition it becomes extremely uncomfortable because you have to disengage this rubber band almost every time to do a little movement, so it's all a maneuver with repeated movements kind of pull, move and release again ...

One size for all, but many lenses have a diameter too small (or too large) totally incompatible with the diameter of this band.
It is little more than a good business for them: they also have repeatedly asked to publicize this product, writing well, in my site or in some forum...!

Nice colours, also a fluorescent green ... but the "zoom creep" is not resolved by these bands.
No more comment from me about this.

Regards
04-25-2012, 01:29 AM   #4
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Actually, a heavy duty rubber band -- like the kind they use for asparagus from the grocery store -- placed just in front of the zoom ring rubber probably works the best, and is totally transparent in use. I've had one on my DA 18-250 since the day I bought it, (a couple of years now), and have no zoom creep, don't have to fiddle with anything, and use the lens like it was meant to be used. It just adds enough friction to work. Free and effective -- I now have a lifetime supply I imagine. They use both blue and purple around here, and though I personally prefer the purple, YMMV.

Scott

04-25-2012, 01:38 AM   #5
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QuoteOriginally posted by claudioNC Quote
Quite simply, with almost zero difficulties and near to zero technology, you can insert into the thin space between the body and the zoom ring, 1, or more of 1, thin sheets of paper, one over the other, and/or eventually, on 2 or 3 in narrowest areas of the body.
Usually insert this thickness of paper large few centimeters (about 1/3 ... 1/4 the circumference of the body) is sufficient to avoid that undesirable zoom creep.

You can begin to experiment with sheets of “Post-it” or similar self adesive papers, with the sticky side placed on the nearest part of the mount side of the lens, the area that remains visible and easily cleanable without disassembling anything.
May be applied two or three separated strips of paper, instead of only 1, in positions spaced to not to cover the more usefull inscriptions.
This is not an elegant solution, but certainly quick and quite effective.

After done this, if you're satisfied, you can refine the idea, do it again and optimize this simple remedy, using other better materials, as thin, more resistant black cardboard sheets, black or transparent plastic, or even metal (aluminum) and determine if, how, when and where to secure them with a little of strong or removable glue, or a strong rubber band if this obstructs nothing.
This remedy can allows a rather fluid movement but not too free as before.

You could also find a type of adhesive tape, of proven high quality (pay attention to the characteristics of the glue present!) preferably if high temperature resistant which should give good guarantee of resistance over time and quality of the adhesive present on it.

You might be able enough and lucky to resolve the problem inserting one of these sheets, calibrated so well that remains there in place, sufficiently firm (although the zoom ring is fully extended) so it does not necessarily require any point of bonding, avoiding the slightest cosmetic permanent alteration of your lens.
Sometimes, if the internal shape and the mechanical allows it, you may be able to insert sheet / sheets entirely, or almost entirely inside the zoom ring, remaining there inside: it does not disturb the eye and does its job, even better.

Warning, in this case please do NOT use the common paper because of course, if it remain inside, is not easly removable, and over time, it will crumbles and mixes into the mechanics!
Can you perhaps post a few photographs, and tell us how this would work on a push-pull zoom lens?
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