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Dynax 7 - sticky back - any cure ?

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pityacka View Drop Down
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Posts: 18 		Post Options Post Options   Quote pityacka Quote  Post ReplyReply Direct Link To This Post Posted: 27 August 2016 at 09:43
Hopefully, to come to a satisfactory ending with my Dynax 7, I now have the Isopropyl Alcohol What is the best type of cloth to do the cleaning of the sticky areas ? I would guess that cotton wool and many duster cloths would leave fine threads on the area being cleaned.
Possibly an old pillow case, old shirt materials would be best.
Any suggestions ?
 



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neilt3 View Drop Down
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Posts: 2883 		Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 27 August 2016 at 10:45
Use a cloth with a coarse weave , not something fine like a pillowcase .
The fist one i cleaned i used a pair of socks i use when I'm wearing my hiking boots , there coarse old woolen types .
They were abrasive enough to make quick work of it .

The last two cameras I have cleaned I used a dish cloth ( don't tell the missis !) it's the coarse cloth type of the "stocking net " type .
Make sure the batteries are out when you do this as some fluid might get in and cause a short .
Alcohol dries off quick , so they can be put back in after cleaning , just give it 20 minutes to dry .


Dynax 7 Sticky back repair kit by Neil, on Flickr

I've also dismantled another two to make one fully working one .
The rear LCD of one was broken when i bought it , so I stripped the back off another camera i bought ( faulty ) to make it fully functional again last night .
Just loaded it it with film and ready to go a walk in the hills this afternoon !
see my photostream on flickr;
http://www.flickr.com/photos/neilt3/
C & C welcome.
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stiuskr View Drop Down
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Posts: 11453 		Post Options Post Options   Quote stiuskr Quote  Post ReplyReply Direct Link To This Post Posted: 27 August 2016 at 11:37
Have you tried it with a sponge? Just a thought.
Rob Suits Jr.
a99M2 a99 a77 a700 KM7D|Min24/2.8 Min35/2 So50/1.4 So50/2.8 Min85/1.4G Tam90/2.8 Tam180/3.5|Tam17-50 CZ24-70G2 KM28-75D So70-200G1 So70-300G So70-400G1| SonyF60 AD200R2
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pityacka View Drop Down
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Posts: 18 		Post Options Post Options   Quote pityacka Quote  Post ReplyReply Direct Link To This Post Posted: 27 August 2016 at 11:58
neilt3, and stiuskr, Thank you both for your suggestions and will try what you have suggested. Also thanks for more photos, neil.
Will give it a try later today, and I will post in here with the result.
Thanks.
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PWhite214 View Drop Down
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Posts: 302 		Post Options Post Options   Quote PWhite214 Quote  Post ReplyReply Direct Link To This Post Posted: 24 September 2016 at 21:12
I used Nu Finish Car Wax on the sticky rubber grip about 3 years ago. No more 'sticky'

I got the idea from Reel to Reel Audio Tape users that treat vintage SSS (Sticky Shed Syndrome) tape to make it usable. I am very happy with the results.

Phil
Sony A700,Sony A77, Maxxum 7, Dynax 9, mostly Minolta lenses some Sigma lenses.
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prognathous View Drop Down
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Posts: 94 		Post Options Post Options   Quote prognathous Quote  Post ReplyReply Direct Link To This Post Posted: 25 September 2016 at 05:21
Does the Nu Finish Car Wax remove the rubber or just makes it non-sticky again?
 



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stiuskr View Drop Down
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Posts: 11453 		Post Options Post Options   Quote stiuskr Quote  Post ReplyReply Direct Link To This Post Posted: 25 September 2016 at 11:03
Hmm, good idea about the wax. It would cover it, not remove it, and by sealing it would stop the process that causes it to degrade in the first place. We're smart, why didn't we think of this?
Rob Suits Jr.
a99M2 a99 a77 a700 KM7D|Min24/2.8 Min35/2 So50/1.4 So50/2.8 Min85/1.4G Tam90/2.8 Tam180/3.5|Tam17-50 CZ24-70G2 KM28-75D So70-200G1 So70-300G So70-400G1| SonyF60 AD200R2
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PWhite214 View Drop Down
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Posts: 302 		Post Options Post Options   Quote PWhite214 Quote  Post ReplyReply Direct Link To This Post Posted: 25 September 2016 at 13:23
The Nu Finish did not affect any thing except the sticky feeling. As with sticky audio tape, it seems to chemically interact with the volatile compounds that cause the sticky problem.

I have treated SSS tapes four to five years ago. They still record and play as if they were new.

Phil
Sony A700,Sony A77, Maxxum 7, Dynax 9, mostly Minolta lenses some Sigma lenses.
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jasz View Drop Down
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Posts: 91 		Post Options Post Options   Quote jasz Quote  Post ReplyReply Direct Link To This Post Posted: 29 September 2016 at 18:33
@PWhite214 How exactly did you apply the Nu Finish? With a brush, q-tip? Thanks.
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luke View Drop Down
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Posts: 894 		Post Options Post Options   Quote luke Quote  Post ReplyReply Direct Link To This Post Posted: 29 September 2016 at 18:54
Originally posted by stiuskr stiuskr wrote:

... We're smart, why didn't we think of this?


Well we just thought about it, isn't it? But we could ask ourselves why we did not think of it before...
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PWhite214 View Drop Down
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Posts: 302 		Post Options Post Options   Quote PWhite214 Quote  Post ReplyReply Direct Link To This Post Posted: 30 September 2016 at 20:36
I think I used a paper towel and then wiped off with a dry washcloth. Could be I used the washcloth for application and removal. I would think any soft cloth would work.

Phil
Sony A700,Sony A77, Maxxum 7, Dynax 9, mostly Minolta lenses some Sigma lenses.
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niji View Drop Down
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Posts: 267 		Post Options Post Options   Quote niji Quote  Post ReplyReply Direct Link To This Post Posted: 01 September 2017 at 00:50
Alas, I have a body that has succumbed. I did a quick search but could't find anyone that manufactured a leatherette like they do for older film bodies, so figured I just source some sheets myself and have a crack at making my own.

Just checking if anyone has already done this and has any patterns they can share. I intend to only do the two main side panels and not the LCD surround (which is still mostly fine), but that thumb grip looks challenging.

I'd also be nice to find vinyl/rubber with similar texture to the front of the camera.
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TallPaul View Drop Down
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Posts: 2824 		Post Options Post Options   Quote TallPaul Quote  Post ReplyReply Direct Link To This Post Posted: 06 March 2022 at 16:02
Glad to have found this thread, my Dynax 7 has been in a box since it went sticky, having seen the thread I ordered some IPA and using a coarse cloth it cleaned up nicely.

Further digging in stock found 11 rolls of Fuji film, 1 roll of BW400CN, 1 Roll of XP2 400 and some random jessops and odds and ends. All 12-18 years out of date now so will try some of the Fuji first as I have multiple of the same and see what I get.
A900, 16-35/2.8Z, 70-200/2.8G, 85/1.4Z, 28-75/2.8, 50/1.7. Nex 6, 16-50mm & Rokkor MC/MD lenses.
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