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    Re: kollsman periscopic sextant
    From: Gary LaPook
    Date: 2009 Aug 9, 08:21 -0700

    You have to cock the averger by depressing the averger winding lever,
    not the actuating lever, that removes the shutter from the field of
    view. Also check that the filter knob on the left side is turned all
    the way to "clear" at the end of the knob's travel.
    On Aug 9, 4:33�pm,  wrote:
    > I have just purchased a kollsman periscopic sextant and when I look through 
    the eye piece I can see the bubble but the view is only through the 
    projection lens. I can see nothing through the periscopic lens - is the 
    shutter blocking the view? I have pushed the actuating button to clear the 
    shutter but this does not seem to work. Do I have to take off the LHS cover 
    to clear the shutter? I have been led to understand that you should be able 
    to take a celestial shot without operating the averager and hence there 
    should be a clear view through the periscopic lens all the time. Any ideas?
    > Regards
    > Doug
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