Re: More lens problems.

2003-12-24 Thread Steve Desjardins
After speaking with Pentax USA and having no luck cleaning the contacts,
I'm going to send them the *istD body and the FA 50, FA 100 macro, and
the FA 135.  Although it seems funny, they still think it might be the
lenses even though they work on the MZ-S and the ZX-7.   What really
confused them was that the aperture wouldn't register AND the AF won't
engage.  I'll wait a week, however, so I can use the camera over the
holidays (since it works with other lenses).


Steven Desjardins
Department of Chemistry
Washington and Lee University
Lexington, VA 24450
(540) 458-8873
FAX: (540) 458-8878
[EMAIL PROTECTED]



Re: More lens problems.

2003-12-24 Thread John Mustarde
On Wed, 24 Dec 2003 10:13:03 -0500, you wrote:

After speaking with Pentax USA and having no luck cleaning the contacts,
I'm going to send them the *istD body and the FA 50, FA 100 macro, and
the FA 135.  Although it seems funny, they still think it might be the
lenses even though they work on the MZ-S and the ZX-7.   What really
confused them was that the aperture wouldn't register AND the AF won't
engage.  I'll wait a week, however, so I can use the camera over the
holidays (since it works with other lenses).


Steven Desjardins
Department of Chemistry
Washington and Lee University
Lexington, VA 24450
(540) 458-8873
FAX: (540) 458-8878
[EMAIL PROTECTED]


That's a lot of gear to send. May I caution you to have everything
insured yourself before you send it, with something like an all-risks
policy.  

Pentax USA screwed me out of an thousand-dollar A* 200/4 Macro several
years back. I sent it for repair, I never got it back, and Pentax in
Colorado refused to file a claim with UPS.  

Luckily for me this lens was covered by my State Farm all-risks
policy, which paid off immediately, or else I would have been left
holding a very empty bag.

I should have took my own advice recently. I sold a piece of gear on
ebay, sent it uninsured because the guy declined to pay for the
insurance, he now says he did not get it, and it looks like I will be
out my gear and having to pay a refund. Rats.

--
John Mustarde
www.photolin.com



Re: More lens problems.

2003-12-23 Thread Andre Langevin
AFAIK, it was possible to identify MZ-S bodies that are affected by
entering Serial # at the following URL on Pentax Homepage:
http://www.pentax.co.jp/japan/news/information/20010619-s.html

I did try it two years ago when I bought MZ-S. Return info was that
my MZ-S is clear. The unfortunate part of this is that, obviously,
page is not available anymore. So this won't help you much, I'm
afraid. Maybe somebody can still find out the corresponding page
somewhere else on Pentax pages.
Matjaž


It looks like this link will do the job.

http://www.pentax.co.jp/japan/news/information/20010619-s.bak

Andre



Re: More lens problems.

2003-12-22 Thread Alan Chan
I am not certain. Try to avoid loading the film too further in. If that 
doesn't work, it must be checked by service centre.

Yours regards,
Alan Chan
http://www.pbase.com/wlachan
Thanks, the MZ-S I'm after (the seller has the flu, deal is delayed) has 
been bought in Taiwan.  I'll ask about this.
Was there a cure for this problem?
_
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Re: More lens problems.

2003-12-22 Thread Matjaz Osojnik
AFAIK, it was possible to identify MZ-S bodies that are affected by 
entering Serial # at the following URL on Pentax Homepage:

http://www.pentax.co.jp/japan/news/information/20010619-s.html

I did try it two years ago when I bought MZ-S. Return info was that 
my MZ-S is clear. The unfortunate part of this is that, obviously, 
page is not available anymore. So this won't help you much, I'm 
afraid. Maybe somebody can still find out the corresponding page 
somewhere else on Pentax pages.

Matjaž


 Some MZ-S purchased in asia had winding problem as well, and those
 units were purchased after the MZ-S had been released for 2 years.
 Some experienced auto rewind when the film was not finished. Alan
 Chan
 
 Thanks, the MZ-S I'm after (the seller has the flu, deal is delayed)
 has been bought in Taiwan.  I'll ask about this.
 
 Was there a cure for this problem?
 
 Andre
 
 





Re: More lens problems.

2003-12-21 Thread Alan Chan
Some MZ-S purchased in asia had winding problem as well, and those units 
were purchased after the MZ-S had been released for 2 years. Some 
experienced auto rewind when the film was not finished.

Yours regards,
Alan Chan
http://www.pbase.com/wlachan
The only problem reported in the MZ-S was in the first units shipped. There 
was a frame overlay problem which appeared from time to time. It was solved 
in those early production cameras by a firmware fix applied in  Pentax 
service centres.
It affected only the early adopters of the camera, some PDML members among 
them.
_
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Re: More lens problems.

2003-12-21 Thread William Robb

- Original Message - 
From: Alan Chan
Subject: Re: More lens problems.


 Some MZ-S purchased in asia had winding problem as well, and those units
 were purchased after the MZ-S had been released for 2 years. Some
 experienced auto rewind when the film was not finished.

I find it interesting that almost all of the complaints generated by Pentax
cameras relate to electronic problems.
Everything from the LX ISO resistor to the ist D crashes are problems with
the electronics.
The fully mechanical cameras seem to generate very few problems, as is
proven by the number of screw mount cameras still in use.

William Robb



Re: More lens problems.

2003-12-21 Thread Robert Chiasson
So Zeiss was right? Well, at least it gave us the K-mount.

--
Robert


- Original Message -
From: William Robb [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Sunday, December 21, 2003 8:09 PM
Subject: Re: More lens problems.



 I find it interesting that almost all of the complaints generated by
Pentax
 cameras relate to electronic problems.
 Everything from the LX ISO resistor to the ist D crashes are problems with
 the electronics.
 The fully mechanical cameras seem to generate very few problems, as is
 proven by the number of screw mount cameras still in use.






Re: More lens problems.

2003-12-21 Thread Andre Langevin
Some MZ-S purchased in asia had winding problem as well, and those 
units were purchased after the MZ-S had been released for 2 years. 
Some experienced auto rewind when the film was not finished.
Alan Chan
Thanks, the MZ-S I'm after (the seller has the flu, deal is delayed) 
has been bought in Taiwan.  I'll ask about this.

Was there a cure for this problem?

Andre



Re: More lens problems.

2003-12-20 Thread William Robb

- Original Message - 
From: Joseph Tainter
Subject: Re: More lens problems.




 Is it just me or does it seem that there are a lot of defective
 starkistdees out of the box? We seem to have an unusual number of posts
 about problems with a new camera.

I wonder about that myself, though so far mine has been flawless.
A lot of the problems that I have read about are attributable to people not
knowing what to expect with digital cameras though.
There is also thr instant gratification factor. It's far easier to bitch
about something minor than to actually do something about it.

William Robb



Re: More lens problems.

2003-12-20 Thread Alan Chan
Just not long ago many MZ-S had problems too. If you asked me, Pentax must 
do something about their QC, but obviousely they didn't.

Yours regards,
Alan Chan
http://www.pbase.com/wlachan
Is it just me or does it seem that there are a lot of defective 
starkistdees out of the box? We seem to have an unusual number of posts 
about problems with a new camera.

Assembled in the Philippines??!!??
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Re: More lens problems.

2003-12-20 Thread William Robb

- Original Message - 
From: Alan Chan
Subject: Re: More lens problems.


 Just not long ago many MZ-S had problems too. If you asked me, Pentax must
 do something about their QC, but obviousely they didn't.

Personally, I think their QC went to hell sometime around the introducion of
the A series bodies.

William Robb



Re: More lens problems.

2003-12-20 Thread Alan Chan
And with all my 7 lenses that I have owned now, only 1 has been completely 
problem free. I'd say either I am very bad luck, or they have some serious 
QC issue. I got a feeling that even Pentax Canada was sick of me (and so am 
I).

Yours regards,
Alan Chan
http://www.pbase.com/wlachan
Personally, I think their QC went to hell sometime around the introducion 
of
the A series bodies.
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Re: More lens problems.

2003-12-20 Thread William Robb

- Original Message - 
From: Alan Chan
Subject: Re: More lens problems.


 And with all my 7 lenses that I have owned now, only 1 has been completely
 problem free. I'd say either I am very bad luck, or they have some serious
 QC issue. I got a feeling that even Pentax Canada was sick of me (and so
am
 I).

In your case, I think it is a combination of factors.
You are attempting to buy top end equipment from a company that does
consumer level QC.
I suspect you are a much more demanding customer than the Pentax norm. Most
people don't inspect their equipment as closely for defects as you do.

William Robb



Re: More lens problems.

2003-12-20 Thread Alan Chan
All the problem I have read so far were related to the winding mechanisms.

Yours regards,
Alan Chan
http://www.pbase.com/wlachan
Just not long ago many MZ-S had problems too.
Andre
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Re: More lens problems.

2003-12-19 Thread Bruce Dayton
Steve,

Do you have another ZX type body to try them on?  I found that my FA
80-320 acted like it was not set to 'A' when I put it on the *istD.
After putting it on the ZX-10 it behaved just the same.  Pointing to a
problem with the lens, not the body.  After pressing and hold on the
aperture ring right near the lens mount, it starts to read properly.
Let go and it goes back to error.

Also check for dirty contacts - body and lenses.


Bruce



Friday, December 19, 2003, 10:43:56 AM, you wrote:

SD Obviously this is going to be a bad day  The *ist D is not working with
SD a few lenses.  In particular:

SD can't read aperature or AF w/
SD FA 50, FA 135, FA100 2.8 macro

SD Works just fine w/
SD FA20-35, A50.17, Sigma 24-70 3.5-5.6

SD I'm assuming this body has just won a trip to Colorado.


SD Steven Desjardins
SD Department of Chemistry
SD Washington and Lee University
SD Lexington, VA 24450
SD (540) 458-8873
SD FAX: (540) 458-8878
SD [EMAIL PROTECTED]





Re: More lens problems.

2003-12-19 Thread Steve Desjardins
I'm going to bring in my zx-7 for testing, although I know the FA 50
works fine on my MZ-S.  I have cleaned the contacted, made sure they're
on A etc.  What's so odd is that three lenses now fail and that AF won't
engage.  OTOH, I have an FA, A and Sigma lens that work fine, both
aperture and AF (when applicable).


Steven Desjardins
Department of Chemistry
Washington and Lee University
Lexington, VA 24450
(540) 458-8873
FAX: (540) 458-8878
[EMAIL PROTECTED]

 [EMAIL PROTECTED] 12/19/03 02:00PM 
Steve,

Do you have another ZX type body to try them on?  I found that my FA
80-320 acted like it was not set to 'A' when I put it on the *istD.
After putting it on the ZX-10 it behaved just the same.  Pointing to a
problem with the lens, not the body.  After pressing and hold on the
aperture ring right near the lens mount, it starts to read properly.
Let go and it goes back to error.

Also check for dirty contacts - body and lenses.


Bruce



Friday, December 19, 2003, 10:43:56 AM, you wrote:

SD Obviously this is going to be a bad day  The *ist D is not working
with
SD a few lenses.  In particular:

SD can't read aperature or AF w/
SD FA 50, FA 135, FA100 2.8 macro

SD Works just fine w/
SD FA20-35, A50.17, Sigma 24-70 3.5-5.6

SD I'm assuming this body has just won a trip to Colorado.


SD Steven Desjardins
SD Department of Chemistry
SD Washington and Lee University
SD Lexington, VA 24450
SD (540) 458-8873
SD FAX: (540) 458-8878
SD [EMAIL PROTECTED] 





Re: More lens problems

2003-12-01 Thread Kostas Kavoussanakis
On Sat, 29 Nov 2003, mike wilson wrote:

 300/2.8 lurking around the corner for pence.  It does sound like another
 case of fungus to me, I'm afraid, although it is also possible that it
 is an artefact from a previous clean.  Professional help needed.

Thanks for all the answers. It is ana artefact from a previous clean,
scratch on the coating, said the pro. They also said that there is
fogging on the outside of the front element, probably from bad
cleaning; I saw it too after they pointed it out. They can fix the
latter, they thought, but not the former. I wrote to the seller asking
for a refund for his lens back. I won;t keep you posted unless you ask
me to, it's no longer interesting I don't think.

Kostas



Re: More lens problems

2003-12-01 Thread mike wilson
Hi,

Kostas Kavoussanakis wrote:
 
 the sad tale of a dead lens.

Go to your nearest Jessops and ask them to search their secondhand
database for the same lens.  Then ask them to get some of the results
sent to your store.  You could ask them to search for PK(A) mounts,
too.  Choose the one(s) you want.  Don't pay more than £120.  Probably
not a good idea to do this on a Saturday

mike



Re: More lens problems

2003-12-01 Thread Kostas Kavoussanakis
On Mon, 1 Dec 2003, mike wilson wrote:

 too.  Choose the one(s) you want.  Don't pay more than £120.  Probably
 not a good idea to do this on a Saturday

Thanks for this. 120 is twice as much as I paid for the one I have
(OK,plus PP). Are you suggesting that I should shut up, cough up the
35 squid (sic) suggested by the technician and be done with it?

Kostas



Re: More lens problems

2003-12-01 Thread Frits Wüthrich
It is online as well.
http://www.jessops.com/used/


On Mon, 2003-12-01 at 22:26, mike wilson wrote:
 Hi,
 
 Kostas Kavoussanakis wrote:
  
  the sad tale of a dead lens.
 
 Go to your nearest Jessops and ask them to search their secondhand
 database for the same lens.  Then ask them to get some of the results
 sent to your store.  You could ask them to search for PK(A) mounts,
 too.  Choose the one(s) you want.  Don't pay more than £120.  Probably
 not a good idea to do this on a Saturday
 
 mike
 
-- 
Frits Wüthrich [EMAIL PROTECTED]



Re: More lens problems

2003-12-01 Thread mike wilson
Hi,

Kostas Kavoussanakis wrote:
 
 On Mon, 1 Dec 2003, mike wilson wrote:
 
  too.  Choose the one(s) you want.  Don't pay more than £120.  Probably
  not a good idea to do this on a Saturday
 
 Thanks for this. 120 is twice as much as I paid for the one I have
 (OK,plus PP). Are you suggesting that I should shut up, cough up the
 35 squid (sic) suggested by the technician and be done with it?

Leave the cephalopod molluscs alone 8-)

No, I'm suggesting that you send this (obviously incurably defective)
example back to the naughty person who tried to sell it to you.  Go to a
reputable dealer in secondhand goods, who will allow you to look at the
object of your desire before you hand over your hard-earned money.

£60 was way too cheap for a good example of that lens.  You could offer
the guy £10 for the extension tube and the hood, as it is unlikely that
you will find many others.  £120 is a good average price for an
excellent example of this lens, with (I think) 12 months' warranty. 
Whatever Jessops ask, offer 10% less.  Always works for me.

mike



Re: More lens problems

2003-12-01 Thread Kostas Kavoussanakis
On Mon, 1 Dec 2003, mike wilson wrote:

 £60 was way too cheap for a good example of that lens.

Well, that was ebay. Nobody else bidding on it knew it was a bad 'un.

 You could offer
 the guy £10 for the extension tube and the hood, as it is unlikely that
 you will find many others.

Err, my example does not have these either.

 Whatever Jessops ask, offer 10% less.  Always works for me.

Thanks, I am quite seasoned with Jessops.

Kostas



RE: More lens problems

2003-11-29 Thread David Madsen
Just out of curiosity, do you think it could be a crack in one of the inner
elements?  Another thought is that it could be something that should be
against the side of the barrel, but has come loose.  I have only watched
lens repair, so I am not an expert, just thinking out loud, so to speak.

David Madsen
mailto:[EMAIL PROTECTED]
http://www.davidmadsen.com




RE: More lens problems

2003-11-29 Thread Kostas Kavoussanakis
On Sat, 29 Nov 2003, David Madsen wrote:

 Just out of curiosity, do you think it could be a crack in one of the inner
 elements?

Yes, I fear this could be the case.

 Another thought is that it could be something that should be
 against the side of the barrel, but has come loose.  I have only watched
 lens repair, so I am not an expert, just thinking out loud, so to speak.

It is very thin, like hair.

I could try taking a couple of pictures. Thing is I will have to
invest 20 GBP in a mount. May just bite the bullet...

Thanks for your thoughts,
Kostas



RE: More lens problems

2003-11-29 Thread David Madsen
That's a tough one.  If it's a hair it's removable.  A crack is not.  Too
bad it will probably cost money to find out for sure.  Good luck.

David Madsen
mailto:[EMAIL PROTECTED]
http://www.davidmadsen.com




Re: More lens problems - crack in the glass?

2003-11-29 Thread Dr E D F Williams
On Tuesday I took an objective lens to pieces to find out why the pictures
were milky. The problem was a deposit on the glass -- condensed grease. Its
a bad idea to allow lenses that have lubricated helices to get hot. This one
has a small diaphragm and rather small elements --one is about 2mm in
diameter. It was quite difficult to clean them. Now the picture is fine.

I did a couple of plan (focussing) eyepieces at the same time -- they were
easier since the smallest element is about 15 mm in diameter. Again the
problem was condensed lubricant to which dust and small particles were
adhering; probably including small cellulose fibres from tissue used to
clean (wipe) the exposed surfaces -- it gets down the barrel very easily
during this process. But getting the four pieces of glass and the spacers
back into the barrel and screwing it up without getting more crap in was
difficult. These were all part of a large donation of 'redundant' equipment
from the University; old perfectly good stuff no one uses any more.

For examples of this 'close to focus' rubbish showing up on pictures look
at:

http://kotisivu.mtv3.fi/edfw/wild03/index.htm

The same minute pieces of dirt on the eyepiece show up on almost every
picture. It does not detract from the result, but makes the images look
crappy. I hope that after my careful cleaning things will be slightly
better.

The human eye can cope with extraneous garbage in an image and 'process' the
noise out, film cannot, and so the optics must be very clean. The nature of
the imaging geometry is such that anything on the first transfer lens
(eyepiece) is close to being in focus on the film. The human brain is one of
the best (analogue) image processors that exist.

I have another objective that looks like it has become delaminated.
Delamination of cemented elements can sometimes look like a crack in the
glass. When I can find some really clean Canada Balsam I'll do the repair.
But I'll need to have a jig made that will hold the glass in line while the
cement hardens.

Don
___
Dr E D F Williams
http://personal.inet.fi/cool/don.williams
Author's Web Site and Photo Gallery
See New Pages 'The Cement Company from HELL!'
Updated: August 15, 2003

Oh my God! They've killed Teddy!

- Original Message - 
From: David Madsen [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Saturday, November 29, 2003 12:17 PM
Subject: RE: More lens problems


 That's a tough one.  If it's a hair it's removable.  A crack is not.  Too
 bad it will probably cost money to find out for sure.  Good luck.

 David Madsen
 mailto:[EMAIL PROTECTED]
 http://www.davidmadsen.com






Re: More lens problems

2003-11-29 Thread mike wilson
Hi,

Kostas Kavoussanakis wrote:
 
 On Sat, 29 Nov 2003, David Madsen wrote:
 
  Just out of curiosity, do you think it could be a crack in one of the inner
  elements?
 
 Yes, I fear this could be the case.

I would expect a crack to have less of a line appearance, especially if
you move the lens around whilst looking at it.  You would be able to
perceive some of the shape of the element section.

 
  Another thought is that it could be something that should be
  against the side of the barrel, but has come loose.  I have only watched
  lens repair, so I am not an expert, just thinking out loud, so to speak.
 
 It is very thin, like hair.

A possibility, if the lens has been previously dismantled.

 
 I could try taking a couple of pictures. Thing is I will have to
 invest 20 GBP in a mount. May just bite the bullet...

Buy the mount.  The lens type is excellent, even though this example may
not be keepable, so you can use it on another - and you may just find a
300/2.8 lurking around the corner for pence.  It does sound like another
case of fungus to me, I'm afraid, although it is also possible that it
is an artefact from a previous clean.  Professional help needed.

mike



Re: More lens problems

2003-11-28 Thread mike wilson
Hi,

Kostas Kavoussanakis wrote:
 
 Just after deciding to return the Kiron, I received today a Tamron
 90/2.5. Looking through it front to back I see a thin, probably
 straight line like a chord running across the barel (perhaps across
 an element in the middle of the lens). What is it?

Can't see anything like that in mine.  Spots on each side of the
elements, where the light source picks up the coating and _loads_ of
dust from the last use but that's all.

Black or white?

mike