wrong aperture

[bwibowo]

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Hi

i have experience with my lens, happen on 50 Lux Asph and Nokton 40/1.4.

the body is M8, i took picture say with f/2 but after i transfer to lightroom it shows f/4.

same thing also happen when i shoot airplane wings in the night, it should be f/1.4 but again after exported to lightroom reported as f/4.

where the problem actually, but when is shoot in daylight. aperture always correct

 

regards

 

budi wibowo

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[pop]

This might be of help: http://www.l-camera-forum.com/leica-forum/1545899-post32.html

[andybarton]

The digital Ms only guess the aperture as there is no way for the lens to pass true information to the body. In low light, it seems to be a less accurate guess, via the blue sensor on the front of the top plate.

 

I'm sure there is a FAQ in the sticky thread at the top of this sub-forum.

[Bill W]

If Leica actually started incorporating the electronics in the M lens to convey the aperature readings, we would end up with a much larger lens physically. I prefer the current alalog version. While it is nice to know the aperature, it really serves no purpose. Some folks like a lot of data. I like my 135 coded but it really serves no purpose.

[bwibowo]

thx all for feedback

[01af]

When the aperture-guessing wizard has no idea—for example when it's too dark—then it will default to 'f/4.'