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Praktica sport zoom 7-21x25

Sticky body, rubber degrading in some way, leaves dirty marks on fingers

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  • Clivespana Nov 30, 2008

    The body of my Praktica Sport 12 X 25 RC binoculars has a rubberised body and has gone extremely sticky to touch, anyone knows the cause or how to clean?

  • ellendale Jan 21, 2009

    I have the same problem - same model. These binoculars have been great, but now they are impossible to use.

  • conlan Apr 10, 2009

    i have the same problem how do i clean them

  • billtoynton Apr 23, 2009

    My praktica sport zoom 7-21x25 have become very sticky, the rubberised paint has become I think faulty.

    The answer for me was to stretch cling flim over the sticky parts.

    This is a tempory fix, I think, I whould have to replace all painted parts.

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I have the same problem with my Nikon N65 film SLR and I bought a vintage Super 8 movie camera where the rubber had turned to the consistency of gum on a side-walk on a hot summer day. On the a camera I carefully rubbed on a coat of talcum (which probably isn't the best thing to use on a camera but I was careful and it isn't something I do every day). I then took a small square I cut from an old terry towel and used friction and elbow grease to rub off the top layer of the rubber. I then took another square of the towel and dipped it in hot soapy water, squeezed out the excess and washed all that remained. I then took a small water-colour brushed (after I dried the surface of course), and dusted the surface of the rubber with talcum and let it sit overnight. This seemed to stop the derioration and clear off what had built up. The next day I took a very dry damp towell (if that makes sense) and wiped off the surface. It pretty much took care of that problem. That was the Nikon, it was only in the beginning stages, the Super 8 camera which had apparently hadn't been out of the case in 20 years. The Super 8 was so bad that I don't even know what had deteriorated, probably a rubber eye piece, that one was time consuming but basically I put the powder on carefully and just wiped big clumps off the metal eye piece. The powder just served to make it easy to clean up and kept it from turning into a 3 stooges farce with one thing sticking to the other and so on. Well, I hope this helps, I don't know why it works, maybe there's a chemist out there that can explain it to me. Good luck!!

Posted on Oct 30, 2012

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Don't need to do so many steps, after the powder drys up and sweatstarts to sit in, beconmes sticky again. go to this youtude it can be totally solve within mmins.http://www.youtube.com/watch?v=1oIe3SrcugE

Posted on Nov 14, 2012

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The rubber body of my praktica binoculars have also become very sticky. My guess is it's the use of lower-grade rubber and the surface begins to perish over time. My solution was to clean the affected parts with acetone (nail polish remover), rubbing it on with a cloth until the top (sticky) layer of rubber had been stripped off. If you do a thorough enough job the surface should dry off smooth with no stickiness. The downside is it makes the rubber absolutely matt. I'm planning to coat mine with some kind of silicon based product afterwards to seal it and make the rubber more pleasant to touch.

Posted on Sep 14, 2011

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Purple Power Degreaser and Cleaner worked for me. Put binoculars vertical on a paper towel, spray them down, leave 10 to 15 minutes, wipe off the sticky junk with paper towels, repeat once or twice. Worked like a charm on my Bushnell 10*25. I wiped it down with alcohol as a final step (for whatever reason?).

Posted on May 26, 2015

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How do i clean them

Posted on Apr 10, 2009

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Rubber coating on Canon has turned gummy and leaving traces on anything that comes in contact.


I'll assume its sweat and grime from handling over it's life time. You could purchase "Wax & Grease remover for ten bucks at an automotive after market store and remove it with a rag. We use it to remove adhesive residue on cars prior to paiting (removed stickers, pin striping, door moulds/strips all leave a adhesive residue.)

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    The rubber casing has gone sticky


    Many cameras and binoculars are covered with a sprayed on thin layer of rubber which breaks down after about 5 to ten years. It becomes very sticky and can be scratched off with a fingernail. This leaves a messy surface which can be cleaned off with methylated spirits. Other solvents will work like isopropyl alcahol but avoid using solvents like cellulose thinners or white spirit as this can attack the underlying plastic on some cameras.

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    try keeping it in a cooler place and the rubber should harden
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    My Chinon 10x25R binoculars have the same problem.


    Simple use soft lint free cloth like old drying up cloth, you need about half a cup of methalayted spirits,can get this from any hardware store.
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    Case is "sticky" like glue


    The same thing happened with my old Praktica Sport Zoom binoculars, and (in my case) found that the sticky coating could be removed by repeated rubbing with paper towels moistened with methylated spirit ("meths"). SAFETY FIRST: If you decide to try this method and have not used meths before, it is a very flammable liquid, and harmful by touch and inhalation, so please wear rubber gloves and do this outdoors or in a well ventilated place and away from sources of heat or fire. That said, it is cheap and readily available from DIY stores, usually in their painting section.

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    I have Vivitar binoculars where the outer rubber surface of the body has become "sticky".  I can't tell you why, as they are kept in my air-conditioned office. I don't see any reason why Vivitar...


    walmart sells vivitar,why not contact them for a source to replace them, sounds like vivitar is more of a toy than a quality binocular though. sounds like a sticky situation to me....good luck...larry@reichinstruments.com

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