This could either be due to the lens’ iris or the lens’ circuit which may need upgrading. Please contact us for further details. To speed up you enquiry, please have to hand the exact model number and serial number of your lens.
This could either be due to the lens’ iris or the lens’ circuit which may need upgrading. Please contact us for further details. To speed up you enquiry, please have to hand the exact model number and serial number of your lens.