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Shutter Misfiring? Dead Frames on Negatives


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#1 Macks Fiiod

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Posted 28 March 2018 - 03:39 PM

So have been trying out film photography to maybe one day take a crack at 16, but every time my lab sends something back I encounter these blank or slim-exposed frames. I'm shooting expired film for a nice vintage look if that makes a difference.

 

Take a look at this picture of the negatives

29830745_645127015818488_825922033_o.jpg

 

Has anyone else encountered this?

 

Here's what those slim-exposed frames look like when scanned.

29829936_645123192485537_1033323622_o.jp

 

 

Is this simple as the camera shutter misfiring?

 

Thanks to anyone who can point me in the right direction on this.


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#2 Dom Jaeger

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Posted 28 March 2018 - 04:18 PM

Could be the mirror is sticky and not properly lifting out of the way. Check with the lens removed and no film loaded.
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#3 Macks Fiiod

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Posted 28 March 2018 - 04:26 PM

I've been doing that and can't really tell with the naked eye.

I noticed it happens more when the shutter is over 1/90th. Does that seal what the issue is?

 

Here is another image, is it normal for the shutter to be thicker at the edge than a consistent darkness all the way through?

obX8Eut.jpg

 

Thanks for the quick reply.


Edited by Macks Fiiod, 28 March 2018 - 04:39 PM.

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#4 aapo lettinen

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Posted 28 March 2018 - 04:46 PM

yep could be that the mirror is not lifting up correctly. I have lots of old soviet Zenit stills cameras which have this issue... the mirror works most of the time and then for a frame or two it does not rise correctly when the shutter is released


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#5 Bruce Greene

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Posted 28 March 2018 - 05:58 PM

35mm film cameras are pretty cheap these days. Go to ebay and find another camera body...  This one seems ready for the showcase in your living room :)


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#6 Mark Dunn

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Posted 29 March 2018 - 04:04 AM

Assuming the shutter travel is vertical, the shutter may be sticky. One of the blinds is moving too slowly and causing underexposure- although the wedge shape of the transition is odd. With a sticky mirror you'd have no exposure at all on part of the frame. Where you have blank frames it's probably not opening at all. Have a look through the back of the camera and see if you can replicate the fault.
It's unlikely to be worth the expense of a repair- what camera is it?

Edited by Mark Dunn, 29 March 2018 - 04:18 AM.

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#7 Macks Fiiod

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Posted 29 March 2018 - 10:33 AM

 

It's unlikely to be worth the expense of a repair- what camera is it?

 

It is a Canon Rebel X S (film version lol)

I assume it's a cheap model Canon put out in the mid 90s? Was sitting in a basement for 15 years until I asked someone to use it.

 

I have since purchased a Canon A2 which feels like a much more reliable camera body.


Edited by Macks Fiiod, 29 March 2018 - 10:36 AM.

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#8 Frank Wylie

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Posted 29 March 2018 - 10:36 AM

 

I've had to clean several of my EOS Canon Film cameras for this problem. 


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