Why the MOUNT CONVERTER MC-11 and MC-21 are not compatible with lenses other than the Art, Contemporary, or Sports line lenses? Accessory Products Information
What are the differences between when using a lens attached via the MOUNT CONVERTER MC-21 and using an L-Mount lens attached directly? Lens Accessory Products Information
There is no USB port on the MOUNT CONVERTER MC-21. How do I update the firmware? Accessory Products Information
Can the MOUNT CONVERTER MC-11 or MC-21 be used in combination with teleconverter? Accessory Products Information
Does it make any difference using the MOUNT CONVERTER MC-11 or an E-mount interchangeable lens? Lens Accessory Products Information