Yashica FX-3 Super, mirror problem.

Discussion in 'Film Discussion and Q & A' started by mila_olivera, Aug 2, 2012.

  1. halu

    halu TPF Noob!

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    Thank you


     
  2. PAwan_sh

    PAwan_sh TPF Noob!

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    Hi All, I think that my light meter misbehaves at lower speeds. Can someone do a small test for me - Set your ISO to 200, set your shutter speed to 4 and ensure that the light meter now shows +. If not then open up the aperture or go into more light. Now move the shutter to 2, light meter should still show +. Now move it to 1. Ideally, light meter should still indicate + (even at B). However, my camera suddenly jumps to -. Can someone pl confirm this for me? I have Yashica fx3 but this test can be performed on any camera that has ISO and Shutter speed on the same dial.
     
  3. timor

    timor Been spending a lot of time on here!

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    Interesting. Los like suddenly resistance goes way up, or there is a break in circuitry. Considering that it is almost 40 years old camera from lower shelf no wonder, that electronics may display weird behaviour. Not the first case. I have number of such a bodies. Solution for me is handheld incident meter like Sekonic Studio.
     
  4. PAwan_sh

    PAwan_sh TPF Noob!

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    Thanks for the response. However, being a bit technical and also having seen the internals of the camera, I think this behavior should by design and not by malfunction. Internally, there is only one resistor for both - Shutter speed and ISO change. And the variable point jumps from one extreme to other extreme and so the above described behavior. So if my ISO is 100, the shutter speed shows correct exposure till 1sec. If ISO is 800, light meter is correct till 8 and then jumps to - at 4 or any lower speed.

    I should probably ask the question is reverse. Do you have any such camera where ISO and Shutter speed are set via dials on the same axis but the light meter works correct at all speeds irrespective of the ISO?
     

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