| Author |
Message |
    
Pietro Guardo
Rating: N/A
Votes: 0 (Vote!) | | Posted on Monday, May 15, 2006 - 02:24 pm: | 
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Hi all, the switch on my AUTO YASHINON-DX 50mm 1:1.7 does not work. Only work if i press manually and not in auto. What can i do ? |
Winfried
Rating: N/A
Votes: 0 (Vote!) | | Posted on Tuesday, May 16, 2006 - 04:54 am: |
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Sorry but it's not quite clear what does not work. What happens if you switch from Auto to Manual, and what do you think should happen? |
Wim Abbeloos
Rating: N/A
Votes: 0 (Vote!) | | Posted on Tuesday, May 16, 2006 - 07:50 am: |
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If you press the pin on the back of the lens the aperture should close to the one selected. Does this not happen? |
Jan Dvorak
Rating: N/A
Votes: 0 (Vote!) | | Posted on Tuesday, May 16, 2006 - 07:13 pm: |
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Pietro,
If the Auto/Manual switch is set to Auto and you press the pin on the camera side of the lens, the aperture will close down to the f-stop that you selected. It will re-open when you release pressure from the pin.
If the switch is set to Manual, the aperture will open and close as you turn the diaphragm ring, whether you put pressure on the pin or not.
Now - what is the lens not doing?
Jan |
