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M7 Lower dot


Annibale G.

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I was taking picture a fortnight ago when the lower dot of my M 7 started blinking .

I checked everything : film ( inside a 400 dx coded film ), position on camera was on dx. I turned off the camera and turned on again : it stopped blinking.

The same thing has happened other two times, different days. I develop the picture and everything's ok.

What 's happening? Is it serious? Is something broken in my camera? What I hhave to do?

Annibale

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If memory serves correct, the blinking red dot is when you have exposure over ride on, or have manually set a film to a speed ... I read it in the manual when I first got the camera, but it is not serious.

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Correct the blinking of the lower dot means that compensation is used or the film is pulled to others iso/asa . The problem is that I had not used compensation and I had not pulled the film. So...

What 's happening?

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Correct the blinking of the lower dot means that compensation is used or the film is pulled to others iso/asa . The problem is that I had not used compensation and I had not pulled the film. So...

What 's happening?

 

M7 has an electronics issue that is dx read error. I seems the DX setting pan is not so reliable.

The dot will flash when you rate the ISO doesn't match the DX, or when you have a compensation, or there is no film in your camera. Otherwise, it should not flash.

 

If you use ISO 100 film, there should be no problem, because M7 will rate the ISO defaultly as ISO100. See the ISO display in the viewfinder when you just turn on your camera, make sure what DX is correct. Or change to other films that have different speed for another test.

 

You also can go to the line below for reference,

http://www.rangefinderforum.com/forums/showthread.php?t=31216&highlight=M7

Good Luck...

 

 

Leslie

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As I already told , I used a 400 asa and in the development I had no problem. But to be more sure, maybe next tim I'll set the iso /asa manualy. What do you think?

 

Please do so, change another speed film, and set the right ISO manually(without compensation) to see if the dot is keep flash. Some people found the dx reader cannot read some certain films. Or, maybe change a new battery.

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