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Change of the flash aperture has no effect on the body


Active Member
Hi there,

I have 2 Contax bodies, one AX and one 167MT
I have one flash Metz 40MZ-2 and its SCA-3802.

Everything working in TTL or whatever mode, the change of the aperture on the body doesn't affect the aperture shown on the flash screen

I'm quite sure it was the case before but I cannot remember the way

Any support appreciated, thank you!


New Member
Access to a flash meter to double check whether the ttl is reacting as expected for the actual exposure?