Archived posting to the Leica Users Group, 1998/12/19

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Subject: Re: [Leica] Help needed on APO 2X extender and 70-180
From: "Robert G. Stevens" <robsteve@istar.ca>
Date: Sat, 19 Dec 1998 12:34:32 -0400

Ben:

You need a ROM version of both the 70-180 and the APO 2x for the flash and
viewfinder to function as you expect.  The metering should still be correct
with what you now have though.

Regards,

Robert Stevens

At 01:21 AM 12/19/98 +0800, you wrote:
>Hello,
>
>I have just got the 70-180 and tne APO 2x extender today.  Should be very
>happy, however, I am very puzzled about the following 2 "problems" :
>
>1.    When I use the 2X extender on the 70-180 len, or any other len, my R8
>cannot get the aperture reading from the lens (Screen shows blank aperture).
>Is this normal?
>
>    Also, when I change the aperture, I can see the build-in meter
>responding.  Does this mean that the camera is still suggesting appropriate
>metering?  Or do I have to step up the exposure by 2 stops manual according
>to the parameter given by the camera.
>
>2.    I also have a Metz 40 MZ3 flash (3501 adapter).  When I use it with
>the 70-180 (no extender), the auto zoom is always set at 70mm regardless of
>the focal length I am using.   This is normal?  (I also use this flash with
>my EOS 28-105 lens.  The flash will adust it's zoom automatically from the
>28-105 range whenever I change the focal length.)
>
>Sorry If my questions seems too ignorant.  I have never used any extender
>before and  I am quite worried that I might have bought 2 pieces of lemon.
>
>Very much appreciate your help.
>
>Best regards.
>
>
>
>
>