Jorgen Udvang
Subscriber Member
Sigma is replacing their teleconverters with new versions that will allow AF down to f/8.
Teleconverter TC-1401 | Sigma Corporation of America
Teleconverter TC-2001 | Sigma Corporation of America
Teleconverter TC-1401 | Sigma Corporation of America
Teleconverter TC-2001 | Sigma Corporation of America