A:Answer Hi jordan, VCLECU2 converter lens can be used with ILCE-7 using SEL16F28 or SEL20F28 lens but with restrictions. For more details, check out the links below:
http://support.d-imaging.sony.co.jp/www/cscs/accessories/compatibility.php?area=gb&lang=en&mdl=VCL-ECU2&cat=8
http://support.d-imaging.sony.co.jp/www/cscs/accessories/compatibility.php?area=gb&lang=en&mdl=ILCE-7&cat=8
Regards,
Vincent