PL1 won't meter properly with manual focus lens

996gt2

Mu-43 Regular
Joined
Oct 27, 2010
Messages
42
I just got my MC Rokkor 50mm f/1.7 today and took some test shots with my PL1. However, the camera didn't seem to meter properly with either ESP or center weighted metering.

Example:

Lens @ f/1.7, camera meters 1/20 sec at ISO 200

Lens @ f/2.8, camera meters 1/12 sec at ISO 200

Lens @ f/4, camera meters 1/18 sec at ISO 200

Is there a reason why the camera isn't metering properly? f/2.8 is about 1.4 stops slower than 1.7, so the camera should have metered something like 1/8 sec instead of 1/15.
 

PeterB666

Mu-43 Top Veteran
Joined
Jan 14, 2010
Messages
780
Location
Tura Beach, Australia
Real Name
Peter
ESP won't give correct readings for lenses without electrical contacts.

I assume you have set the camera to Aperture Priority. Centre weighted should work OK at those sorts of light level, try spot metering and see it that helps.
 
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