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02-12-2016, 07:36 AM   #1
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Status screen flashing F --

I am attempting to use a manual Samyang lens with an older Takumar-A 2x teleconvertor. With the lens and the convertor attached (with focus mode set to manual), the screen displays F --. Without the convertor, the lens works fine on manual mode, and the convertor works with modern lenses (albiet in manual focus mode).

I have the camera set to manual exposure as well as manual focus, but I can't find a way to set the aperture - anybody have any suggestions?



02-12-2016, 08:25 AM   #2
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02-12-2016, 08:54 AM   #3
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Fantastic - setting the option for the aperture ring did the job


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