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fish4570
Joined: 06 Jan 2010
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Location: At the confluence of the Locust Fork of the Warrior River and Black Creek, Alabama
Expire: 2012-03-21
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 Posted: Thu Apr 01, 2010 1:53 am Post subject: praktica duds; what caused this? shutter issue? |
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fish4570 wrote:
vivitar 135/2.8:
spiratone 400/6.3:
400/6.3; this one would have been soooooo cool:
what gives?
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Paul
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mo
Joined: 27 Aug 2009
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Location: Australia
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| Posted: Thu Apr 01, 2010 3:58 am Post subject: |
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mo wrote:
Light leak? which end of the film?
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martinsmith99
Joined: 31 Aug 2008
Posts: 6950
Location: S Glos, UK
Expire: 2013-11-18
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| Posted: Thu Apr 01, 2010 5:57 am Post subject: |
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martinsmith99 wrote:
Probably a light leak. Fit some new seals and give it a try or just put some black tape around the door.
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Scheimpflug
Joined: 06 Feb 2010
Posts: 1888
Location: New Zealand / USA
Expire: 2011-11-18
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| Posted: Thu Apr 01, 2010 7:45 am Post subject: Re: praktica duds; what caused this? shutter issue? |
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Scheimpflug wrote:
| fish4570 wrote: |
400/6.3; this one would have been soooooo cool:
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Does this help any?
Or this?
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marty
Joined: 09 Apr 2009
Posts: 767
Location: Italy
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| Posted: Thu Apr 01, 2010 9:35 am Post subject: |
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marty wrote:
Hello, there.
Looks like light leak from side of the film door. Time to reseal, or as Martin suggested black electrical insulating tape around film door. This would remove any doubt before pulling the toolbox or sending out.
Cheers, Marty.
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exaklaus
Joined: 11 Aug 2009
Posts: 1633
Location: Niederrhein, Germany
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| Posted: Thu Apr 01, 2010 10:25 am Post subject: |
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exaklaus wrote:
Maybe shutter not working correctly?
Klaus
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fish4570
Joined: 06 Jan 2010
Posts: 4514
Location: At the confluence of the Locust Fork of the Warrior River and Black Creek, Alabama
Expire: 2012-03-21
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| Posted: Thu Apr 01, 2010 1:15 pm Post subject: |
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fish4570 wrote:
these things are scattered all over the whole strip of film, kind of randomly. the little rope looking seals LOOK fine. it it's a leak, i suspect the hinge area. will investigate. i just hate to waste another roll of film to check ...
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fish4570
Joined: 06 Jan 2010
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Location: At the confluence of the Locust Fork of the Warrior River and Black Creek, Alabama
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| Posted: Thu Apr 01, 2010 1:16 pm Post subject: |
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fish4570 wrote:
and thanks for clening up that image. barge tows pass every day, so i can shoot again, but i did like that shot ...
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Paul
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fish4570
Joined: 06 Jan 2010
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Location: At the confluence of the Locust Fork of the Warrior River and Black Creek, Alabama
Expire: 2012-03-21
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| Posted: Thu Apr 01, 2010 3:01 pm Post subject: |
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fish4570 wrote:
i looked at a negative strip that show a light streak over the abutting ends of two frames. this probably means the occasional leak is at the hinge side, if that is what it is ...
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fish4570
Joined: 06 Jan 2010
Posts: 4514
Location: At the confluence of the Locust Fork of the Warrior River and Black Creek, Alabama
Expire: 2012-03-21
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| Posted: Thu Apr 01, 2010 3:56 pm Post subject: |
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fish4570 wrote:
took the praktica into the dark bathroom, held it open on bulb, and stuck a tactical flashlight into the opening (it was a snug fit). i saw no light leaking from around the back ...
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Minolfan
Joined: 30 Dec 2008
Posts: 3439
Location: Netherlands
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| Posted: Thu Apr 01, 2010 11:40 pm Post subject: |
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Minolfan wrote:
You had better taken a led light to check on light leaks. Flash is too short for the eye to be sure I think. |
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fish4570
Joined: 06 Jan 2010
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Location: At the confluence of the Locust Fork of the Warrior River and Black Creek, Alabama
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| Posted: Fri Apr 02, 2010 12:12 am Post subject: |
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fish4570 wrote:
not a flash. this is a tactical LED flashlight with a very bright stream of constant white light. the british call flashlights torches, i think ...
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mo
Joined: 27 Aug 2009
Posts: 8979
Location: Australia
Expire: 2016-07-30
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| Posted: Fri Apr 02, 2010 1:56 am Post subject: |
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mo wrote:
I had a light leak in my yashica that struck at random...if I used the film fast it would generally work well...but who wants to rush while using the camera 
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fish4570
Joined: 06 Jan 2010
Posts: 4514
Location: At the confluence of the Locust Fork of the Warrior River and Black Creek, Alabama
Expire: 2012-03-21
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| Posted: Fri Apr 02, 2010 2:12 am Post subject: |
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fish4570 wrote:
since it is a vertical-running shutter, the issue has to be light leak ...
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Paul
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peterqd
Joined: 28 Feb 2007
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| Posted: Fri Apr 02, 2010 5:02 pm Post subject: |
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peterqd wrote:
| fish4570 wrote: |
| since it is a vertical-running shutter, the issue has to be light leak ... |
I agree, I don't feel the shutter is involved in this at all, and the string seals in Prakticas don't deteriorate like foam. In the pic of the barge, the leak is on the right side of the camera (looking at the back) and the bright spot is at the top, which makes me suspect the light is entering where there is a break in the seal for the frame counter release. The bright strip is probably where the film is not masked by the pressure plate and it is being fogged between the plate and the take-up spool, after you wind on to the next frame.
Also check that the latch is holding the door tightly closed - it might need adjusting. Do you keep the camera in a case when you're not using it?
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fish4570
Joined: 06 Jan 2010
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Location: At the confluence of the Locust Fork of the Warrior River and Black Creek, Alabama
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| Posted: Fri Apr 02, 2010 11:59 pm Post subject: |
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fish4570 wrote:
in a drawer or out in the open if loaded ...
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Paul
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