Squiggly line on negative and sprokets

str8twisted247 · 03-14-2013, 08:37 AM

I just bought a used Pentax K1000 and every roll of film has this line on the bottom of the negative and sprokets. I have taped the camera up and the line still appears. Is this a rewinding mechanical problem? or some sort of internal light leak.?

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excanonfd · 03-14-2013, 09:06 AM

Do you see it's effect on the print?

str8twisted247 · 03-14-2013, 09:14 AM

Yes, every single one..

johnyates · 03-14-2013, 10:08 AM

It's a light leak.

str8twisted247 · 03-14-2013, 10:18 AM

Thanks for responding quickly, I tried electrical tape all around the edges with two rolls, I also taped the camera lens ring too. Any suggestion on how to fix it, or specifics on where to tape it. Thanks

excanonfd · 03-14-2013, 10:37 AM

You need to replace the foam seal around the camera back. I don't have a K1000 but on the SP1000, the film back fits inside the groove that surrounds the film chamber. Inside the groove is where the foam seal are located - you can check by poking at the groove with a toothpick or similar, if it's sticky or if foam has no resilience then it's time to replace the foam. There is a gentleman who sells seal kits for about 10.00 on the net (I can't remember offhand, you might try asking in the SLR Discussions forum) which should fix your light leak problem.

johnyates · 03-14-2013, 10:38 AM

I would give some attention to either the hinge or the closure on the back. You can estimate where from the position of the line on the film.

Steve Beswick · 03-14-2013, 12:14 PM

It is hard to tell from such a small sample, but that doesn't look like a light leak to me. It is far to consistent. If it was a light leak, that line would have varying levels of density. Furthermore, the top sprocket hole would be a vary strange place inside the camera to have a light leak, and it is way to defined of a strip. I would check the film for scratches or pressure marks.

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03-14-2013, 09:06 AM	#2
excanonfd Veteran Member Join Date: Jan 2010 Location: Vancouver, BC Posts: 1,421	Do you see it's effect on the print?

03-14-2013, 09:14 AM	#3
str8twisted247 New Member Join Date: Mar 2013 Posts: 3 Original Poster	Yes, every single one..

03-14-2013, 10:08 AM	#4
johnyates Pentaxian Join Date: Aug 2011 Location: Saskatoon, SK Photos: Albums Posts: 1,345	It's a light leak.

03-14-2013, 10:18 AM	#5
str8twisted247 New Member Join Date: Mar 2013 Posts: 3 Original Poster	Thanks for responding quickly, I tried electrical tape all around the edges with two rolls, I also taped the camera lens ring too. Any suggestion on how to fix it, or specifics on where to tape it. Thanks

03-14-2013, 10:37 AM	#6
excanonfd Veteran Member Join Date: Jan 2010 Location: Vancouver, BC Posts: 1,421	You need to replace the foam seal around the camera back. I don't have a K1000 but on the SP1000, the film back fits inside the groove that surrounds the film chamber. Inside the groove is where the foam seal are located - you can check by poking at the groove with a toothpick or similar, if it's sticky or if foam has no resilience then it's time to replace the foam. There is a gentleman who sells seal kits for about 10.00 on the net (I can't remember offhand, you might try asking in the SLR Discussions forum) which should fix your light leak problem.

03-14-2013, 10:38 AM	#7
johnyates Pentaxian Join Date: Aug 2011 Location: Saskatoon, SK Photos: Albums Posts: 1,345	I would give some attention to either the hinge or the closure on the back. You can estimate where from the position of the line on the film.

03-14-2013, 12:14 PM	#8
Steve Beswick Veteran Member Join Date: Apr 2009 Location: Ontario, California Photos: Gallery Posts: 1,736	It is hard to tell from such a small sample, but that doesn't look like a light leak to me. It is far to consistent. If it was a light leak, that line would have varying levels of density. Furthermore, the top sprocket hole would be a vary strange place inside the camera to have a light leak, and it is way to defined of a strip. I would check the film for scratches or pressure marks.