Exposure jumps with adapter (chip confirm)

S

-Sandro-

Well-known member
Hello,
I'm having problems in video mode with an adapter with chip confirm I bought on ebay from HK (I'm not gonna put the link cause IMHO they are all equal).

I experienced many times that while shooting videos the exposure changes (down) by like 1/3 stop for half a second and then goes back to where it was. Did anybody have this experience?

The chip is very helpful for pictures, but I was wondering if someone found a solution or if there are "better" chips that don't show this bug. Yes I know that buying an adapter without a chip will be right thing to do (and I will) but I usually take pics and videos on the same "moment" and changing the adapter seems a little uncomfortable.
I noticed that while using the adapter in manual mode in my camera menu (550d) I see that focus goes from MF to One Shot and viceversa continuously .
 
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Worst of all is it flickers in stills mode too.
I have discovered this the hard way after I did my first timelapse on a trip ( to be uploaded). Unfortunately almost every 20 shots one or two are underexposed. And I don't know how to fix in post.
Rip that chip off!
 
-Sandro- said:
Hello,
I'm having problems in video mode with an adapter with chip confirm I bought on ebay from HK (I'm not gonna put the link cause IMHO they are all equal).
Click to expand...

Well clearly they're not all equal. Some work, some don't. Your HK one doesn't.
 
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