Would anyone care to explain 'exactly' how the mechanism in question
(leaves, or what nots!) works please. I'm all out to learn about
lenses, and if someone has a few minutes of experience to spare... I'll
LAP THEM UP!!!! :)
Thanks
Konrad
Winsor Crosby wrote:
>
> That sounds really awful. Remember the diaphragm has to stop down and
> release every time the shutter fires. Quickly. If there is gunk or
> corrosion on those little individual leaves, the whole diaphragm may have
> to be replaced. I don't know, but it doesn't sound minor to me.
>
> >Which lens is it... f 3.6 or f 4? If the glass is OK, I'd go for the f 3.6
> >version (I know, I have one). I'd be more cagey if it's the f 4. It sounds
> >like the problem is confined to the lens mount area, therefore shouldn't
> >require major disassembly of the lens to clean/lube. I'm saying this
> >assuming
> >that the stop-down lever doesn't stick AT ALL.
> >
> >A question, though... how often do you use DOF preview? I find that I seldom
> >use it. Just curious.
> >
> >M.
> >
> >pizzuto @ waldonet.net.mt (Konrad Pizzuto) (Mailed by: pizzuto @
> >waldonet.net.mt (Konrad Pizzuto) @ internet)
> >02/08/98 02:55 AM EST
> >To: olympus@xxxxxxxxxxxxxxx @ internet
> >cc: (bcc: Mahlon R. Haunschild)
> >Subject: [OM] Found a 35-70 Zuiko zoom - help required!!
> >
> >Hi,
> >
> >I know of an Olympus 35-70 zuiko lens for sale in a shop in Malta, for
> >some $90. It has a problem with the preview button however. Whilst the
> >diaphragm moves normally when you select the separate apertures via the
> >ring, pressing the preview button makes the little protruding 'thing'
> >that moves stay to the 'preview' side. It does not return to its normal
> >position when you release the button, meaning that you are, in practice,
> >always 'depth-of-field' previewing!!! Now, do you think it is worth the
> >money, and can I repair it myself? If not, what price might I try and
> >negotiate? Also is that a normal price for a second hand zuiko 35-70?
> >
> >regards
> >
> >Konrad Pizzuto
>
> Winsor Crosby
> Long Beach, California
> mailto:wincros@xxxxxxxxxxx
>
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