Krasnogorsk-3 mark on corner of frame

[Rob Thorogood]

 Hi all, 

I have shot a few rolls on my Krasnogorsk-3 and all of them have had this mark on them in the top left corner.  

When the roll begins there is nothing there and seems to be working as it should be, and then as the roll progresses the mark appears and gets worse!

Any thoughts would be greatly appreciated!

Rob

[Mark Dunn]

You have a lot of dirt in the gate- you haven't checked and cleaned it lately. So my first though is a chip of film or some other object. It's unsharp, so it's probably behind the gate.

Edited October 17, 2019 by Mark Dunn

[Rob Thorogood]

Hi Mark - thanks for your response...  is cleaning the gate something that i can do myself or a specialist job? 

 

Thanks!

[Mark Dunn]

You can do it yourself. Use non-metal tools- I'm sure others will have a better idea. There are probably some tutorials on youtube.

Use a brush, then move on to a hard wooden spatula if any residue remains. I'd probably use isopropyl alcohol. Don't use Q-tips or cloths- they can shed fibres.+++

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remove the pressure plate (and clean it as well) to get at the gate.

[Tyler Purcell]

I don't think that's dirt on the gate, it's not as in focus as the dirt is. It's gotta be something on the front side of the gate somewhere, like a larger particulate matter. Remember, its shot upside down, so that's actually the lower right side of the gate. I bet you'd see it. 

[Mark Dunn]

27 minutes ago, Tyler Purcell said:

I don't think that's dirt on the gate, it's not as in focus as the dirt is. It's gotta be something on the front side of the gate somewhere, like a larger particulate matter. Remember, its shot upside down, so that's actually the lower right side of the gate. I bet you'd see it. 

That's what I meant to say- since the OP hasn't cleaned the gate, he could easily have missed a film chip or something.

[Tyler Purcell]

2 hours ago, Mark Dunn said:

That's what I meant to say- since the OP hasn't cleaned the gate, he could easily have missed a film chip or something.

Pulldown film chip! Yes, that's exactly what it is.