Re: [OM] Locked diaphragm on 75-150

[Tom Hoefer]

Thanks, Keith. I'll see if I have the courage and the tools. 
    -----Original Message-----
    From: Keith (R.K.) Berry <keith_r.k.berry@xxxxxxxxxx>
    To: olympus@xxxxxxxxxxxxxxx <olympus@xxxxxxxxxxxxxxx>
    Date: February 27, 2000 11:09 AM
    Subject: Re: [OM] Locked diaphragm on 75-150
    
    
    
        Tom Hoefer wrote:
        I just bought a beautiful 75-150 Zuiko on ebay, and darned if it hasn't 
got a locked diaphragm...Both the depth of field button and the diaphragm 
actuator arm are locked. The aperture ring turns freely...
        
        Sounds as though something is either overtightened or too long a screw 
is fouling something. You could try slackening off the mount fixing screw 
nearest to the D-o-F button for a start.
         
        Regards,
        Keith Berry (Birmingham, England)
        keith_r.k.berry@xxxxxxxxxx
        http://homepages.which.net/~k.berry