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06-23-2009, 11:42 PM   #1
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Use of Aperture-Ring 43mm/1.9 -> no aperture data

When i use the aperture-ring (camera is set to: aperture ring-> allowed)

I get no Data for the aperture on my K10D.

Example:
- Camera is set to "M",
- Aperture ring to Aperture 8,
- after pressing green Button i can here the camera meter, and i can see the suggested shutter speed e.g. 1/60.
- problem/question: the aperture display is "F ---" (before and after making the picture, exif also no data for aperture)

is this normal?

06-24-2009, 01:02 AM   #2
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Yes. Don't do that. Keep the aperture on "A" and control the diaphragm with your e-dial.
06-24-2009, 01:04 AM   #3
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Set the aperture ring to A and select the aperture via the camera's e-dial.
There is no reason to set the aperture manually on the aperture ring if your lens has the A setting like the FA 43mm Limited.
Read the camera and lens manual...
06-24-2009, 11:15 AM   #4
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Original Poster
thank you for the answers.

i know, that is is kinda dumb to to that.

the reason was: i gonna buy an old lense next weekend, and i wanted to test around...

but i still wonder, that there was no data... i hope i will be there when i buy the smc-a50/1.2, but this of course also has the a setting


Last edited by Deimo; 06-24-2009 at 11:23 AM.
06-24-2009, 11:18 AM   #5
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As long as you have the smc-a on the a setting you get aperture, but will not get focal length.
06-24-2009, 02:51 PM   #6
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Any time you use the aperture ring on any lens, you won't get aperture info in the viewfinder or in the EXIF. That's the whole reason there is a sticky thread in the beginner forum on how to use manual lenses with a DSLR - you need to use stop-down metering via the green button (or a different button, depending on the camera model).
06-24-2009, 03:10 PM   #7
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so if i have the smc-a mounted at my k10d, and the aperture ring is set to "A", then there has to be the aperture (and not the "F---") . If not, there is something wrong with the lens/camera.
is that right?

this i did not find in the "beginners article"
06-24-2009, 03:25 PM   #8
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Yes, there is something wrong with the lens. Sometimes one of the contacts between lens and body is intermittent. Try cleaning the contacts.



QuoteOriginally posted by Deimo Quote
so if i have the smc-a mounted at my k10d, and the aperture ring is set to "A", then there has to be the aperture (and not the "F---") . If not, there is something wrong with the lens/camera.
is that right?

this i did not find in the "beginners article"


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