Stuck Filters

On Nov 5, 2017, Rich A wrote
(in ):

On Saturday, November 4, 2017 at 7:33:04 PM UTC-4, rwalker wrote:
Haven't checked in here in a long time. Greetings to all the
regulars. I've got a Vivitar cicular polarizer (77 mm) stuck to a
Firecrest IRND 18 sunfilter (77 mm). They seem to have become welded
together. Any advise on how to get them apart. Tried putting on some
heavy duty latex surgical gloves and seeing if that would give me a
better grip, but no use. Any suggestions?.

Cast a flat piece of ice in the fringe, put one side of the filter on it for
a few minutes. The one filter will shrink as it gets cold and possibly loosen
up enough to screw off the other one.

Think about it. The only area you will be able to get to is going to be the
outer, or female thread which is trapping the innner, or male thread. Icing
it will cause contraction, making the connection even tighter. Hell! You
might as well have said, heat it with a butane torch, or spray it down with
WD40.

The actual answer is to get the right tool, a filter wrench. However,
sometimes that might not be available, so if you are going to improvise, do
so with a little thought.

https://www.the-digital-picture.com/Reviews/Lens-Filter-Wrench-Review.aspx

A non-filter wrench method is to take a nylon cable tie to use tightened
around the outside of the filter and use it like the wrench, that has worked
for me in a pinch, and doesn’t damage anything.

http://www.instructables.com/id/Camera-Filter-wrench-from-Cable-Ties/

--

Regards,
Savageduck

In article ,
Rich A wrote:

On Saturday, November 4, 2017 at 7:33:04 PM UTC-4, rwalker wrote:
Haven't checked in here in a long time. Greetings to all the
regulars. I've got a Vivitar cicular polarizer (77 mm) stuck to a
Firecrest IRND 18 sunfilter (77 mm). They seem to have become welded
together. Any advise on how to get them apart. Tried putting on some
heavy duty latex surgical gloves and seeing if that would give me a
better grip, but no use. Any suggestions?.

Cast a flat piece of ice in the fringe, put one side of the filter on it for
a few minutes. The one filter will shrink as it gets cold and possibly loosen
up enough to screw off the other one.

Put the ice in plastic bag before you try...
--
teleportation kills

In article .com,
Savageduck wrote:

The only area you will be able to get to is going to be the
outer, or female thread which is trapping the innner, or male thread. Icing
it will cause contraction, making the connection even tighter.

It could sort of pry it open and make the lense filter connection looser
after it got room temperated again. I got my wrench set of four for less
than USD 5...
--
teleportation kills

On Nov 5, 2017, android wrote
(in ):

In iganews.com,
Savageduck wrote:

The only area you will be able to get to is going to be the
outer, or female thread which is trapping the innner, or male thread. Icing
it will cause contraction, making the connection even tighter.

It could sort of pry it open and make the lense filter connection looser
after it got room temperated again. I got my wrench set of four for less
than USD 5...

....and that was the sensible thing to do.

The non-wrench hare-brained methods are just that, and are likely to end, at
best in frustration, and in the worse case scenario, end with damage to
filter(s) and/or lens.

--

Regards,
Savageduck

On Nov 5, 2017, Savageduck wrote
(in iganews.com):

On Nov 5, 2017, android wrote
(in ):

In iganews.com,
Savageduck wrote:

The only area you will be able to get to is going to be the
outer, or female thread which is trapping the innner, or male thread. Icing
it will cause contraction, making the connection even tighter.

It could sort of pry it open and make the lense filter connection looser
after it got room temperated again. I got my wrench set of four for less
than USD 5...

...and that was the sensible thing to do.

The non-wrench hare-brained methods are just that, and are likely to end, at
best in frustration, and in the worse case scenario, end with damage to
filter(s) and/or lens.

I see we just moved the clocks back to PST from PDT a few minutes ago. So, it
is 02:00 twice today.

--

Regards,
Savageduck

On 05/11/2017 00:27, Savageduck wrote:
On Nov 4, 2017, rwalker wrote
(in ):

Haven't checked in here in a long time. Greetings to all the
regulars. I've got a Vivitar cicular polarizer (77 mm) stuck to a
Firecrest IRND 18 sunfilter (77 mm). They seem to have become welded
together. Any advise on how to get them apart. Tried putting on some
heavy duty latex surgical gloves and seeing if that would give me a
better grip, but no use. Any suggestions?.

It sounds as if you are in need of a filter wrench of the appropriate size.
Available at B&H, or Amazon.

https://www.bhphotovideo.com/c/buy/Other-Filter-
Accessories/ci/122/N/4026728365

I'd start with penetrating oil, applied very delicately if it is still
on a lens! (In your case you could just soak the lot, and clean later
with IPA).

On Nov 5, 2017, newshound wrote
(in articleVIqdnfcTer2pfmPEnZ2dnUU78RmdnZ2d@brightvie w.co.uk):

On 05/11/2017 00:27, Savageduck wrote:
On Nov 4, 2017, rwalker wrote
(in ):

Haven't checked in here in a long time. Greetings to all the
regulars. I've got a Vivitar cicular polarizer (77 mm) stuck to a
Firecrest IRND 18 sunfilter (77 mm). They seem to have become welded
together. Any advise on how to get them apart. Tried putting on some
heavy duty latex surgical gloves and seeing if that would give me a
better grip, but no use. Any suggestions?.

It sounds as if you are in need of a filter wrench of the appropriate size.
Available at B&H, or Amazon.

https://www.bhphotovideo.com/c/buy/Other-Filter-
Accessories/ci/122/N/4026728365
I'd start with penetrating oil, applied very delicately if it is still
on a lens! (In your case you could just soak the lot, and clean later
with IPA).

Nice try. ;-)

--

Regards,
Savageduck

In article ,
Tony Cooper wrote:

On Sun, 05 Nov 2017 06:43:45 +0100, android wrote:

In article ,
rwalker wrote:

On Sat, 4 Nov 2017 20:46:42 -0400, Ken Hart
wrote:

On 11/04/2017 08:33 PM, rwalker wrote:
On Sat, 04 Nov 2017 17:27:15 -0700, Savageduck
wrote:

On Nov 4, 2017, rwalker wrote
(in ):

Haven't checked in here in a long time. Greetings to all the
regulars. I've got a Vivitar cicular polarizer (77 mm) stuck to a
Firecrest IRND 18 sunfilter (77 mm). They seem to have become welded
together. Any advise on how to get them apart? Tried putting on some
heavy duty latex surgical gloves and seeing if that would give me a
better grip, but no use. Any suggestions?.

It sounds as if you are in need of a filter wrench of the appropriate
size.
Available at B&H, or Amazon.

https://www.bhphotovideo.com/c/buy/Other-Filter-
Accessories/ci/122/N/4026728365


I think I'm going to invest in one. Finally got them unstuck. After
I had them inside for a couple of hours warming they loosened up.
Arthritis in my fingers, particularly my thumbs, makes these things
much harder than they used to be.


I once used a plumber's pipe wrench on a filter stuck on a lens. I
mounted the lens in the workshop bench vise.
Fortunately it was a filter I didn't care about. And while I cared about
the lens, it was a common one and not too expensive.

Interesting approach!

the real thing is less than usd 2:

https://www.ebay.com/sch/Filters/152...5&_nkw=filter+
wrench&rt=nc&LH_BIN=1


Right, and if you want to wait for a few weeks for it to arrive from
China, it's a good deal. Estimated delivery is between November 21st
and December 26th.

Adorama will get it to you faster, but they add shipping charges so
the total price is about $6.00.

I'd try the "hare-brained" methods first, though. I have one of those
rubber strap wrenches that does not harm what it's used on, and it
applies even pressure. First, though, heat it up with my wife's hair
dryer.

Soo... You'd risk them rubber gaskets in a USD 1K+ weather sealed lense
by overheating them just to save a few bucks... :-)) Should go into lens
MF. Cathingcathing!

While I wouldn't begrudge the $2 or $6 expense, or even the delay in
getting the item if I had other lenses to work with, I don't need
another one-time tool around. I doubt if a second filter will turn
out to need wrenching.

If they get stuck once then they will probably get stuck again... You
could use some lube on the threads but be careful though not to overdo it
so that you get smear all over your gear every time you get near the
front of said lense!
--
teleportation kills

In article , Tony Cooper
wrote:


the real thing is less than usd 2:

https://www.ebay.com/sch/Filters/152...15&_nkw=filter
+wrench&rt=nc&LH_BIN=1

Right, and if you want to wait for a few weeks for it to arrive from
China, it's a good deal.

most of the time, ebay items from china arrive in about 1-2 weeks.

Estimated delivery is between November 21st
and December 26th.

that's ebay's estimate, not the seller's estimate.

ebay shipping estimates are worst case scenarios. they are heavily
padded to minimize payouts to buyers for deadbeat sellers.

In article , android
wrote:

If they get stuck once then they will probably get stuck again... You
could use some lube on the threads but be careful though not to overdo it
so that you get smear all over your gear every time you get near the
front of said lense!

the solution is to buy quality filters.

not only do they not bind, but they don't ruin the quality of the
photos.