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10-24-2007, 11:37 PM   #1
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Help: ISO speeds for MZ-5n

hey everyone,

I borrowed a pentax MZ-5n from my school and I'm not too familiar with the camera or film cameras in general. I was given a 400 ISO film speed and I'm not sure if I need to do anything to the camera to tell it what film speed is in it.

I was wondering if I needed to change the dial on the left of the camera that says
+3 +2 +1 0 -1 -2 -3 does that have anything to do with it?

Thanks for your help


10-25-2007, 03:41 AM   #2
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The camera has Auto DX reading built in so it will change the ISO. Here's the manual:


http://www.pentaximaging.com/files/manual/ZX-5n.pdf

Last edited by Peter Zack; 10-25-2007 at 04:26 AM.
10-25-2007, 08:48 AM   #3
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That's right, you won't need to tell the camera what ISO film you're using... if you want to check, turn the left control dial to ISO Up or ISO Down, and it will confirm the current ISO setting... if you want to change it to anything other than the ISO encoded on the film can, you can choose either Up or Down on the left control dial, and then use the ML button to raise or lower it.
10-25-2007, 02:56 PM   #4
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Thread moved- please remember that the "suggestions, errors, and help" section is only for error reports or threads asking for help with the site.


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10-26-2007, 12:06 AM   #5
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QuoteOriginally posted by justineA Quote
hey everyone,

I borrowed a pentax MZ-5n from my school and I'm not too familiar with the camera or film cameras in general. I was given a 400 ISO film speed and I'm not sure if I need to do anything to the camera to tell it what film speed is in it.

I was wondering if I needed to change the dial on the left of the camera that says
+3 +2 +1 0 -1 -2 -3 does that have anything to do with it?
On modern film cameras you don't need to set speed of film because camera is able to read it from film cartridge.

However on advanced cameras you can force camera to use different film speed than the one specified in DX code. This is used for push/pull processing (film is underexposed/overexposed on purpose and later it is processed accordingly). That ISO designation on left dial is for setting ISO speed manually. You do not need to use it.

And those numbers +3 +2 +1 0 -1 -2 -3 are for exposure compensation (EV compensation).
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