PentaxForums.com - View Single Post - Just received my Vivitar MC TC 2x PK-A. Need help.

JMS · 05-30-2008, 05:37 PM

Nope. Most likely, to cut costs, the Tamron ONLY has the digital contact. Thus, it shorts ALL the contacts, and thus produces the f1.2 signature.

05-30-2008, 05:37 PM	#20
JMS Senior Member Location: Wisconsin Gallery Photos: 0 Posts: 273	Nope. Most likely, to cut costs, the Tamron ONLY has the digital contact. Thus, it shorts ALL the contacts, and thus produces the f1.2 signature.