PentaxForums.com - View Single Post - Part 2: Sigma 18-50mm f2.8 EX Macro vs Tamron 17-50mm f2.8

Torphoto · 12-14-2008, 11:42 AM

Not only could the tammy be front focusing, also bear in mind sample variation, not so good tammy vs very good sigma sample. The F8 tests show that it is possible the tammy is probably a not so good sample, FF or not.

12-14-2008, 11:42 AM	#15
Torphoto Loyal Member Location: Trinidad W.I. Gallery Photos: 15 Posts: 595	Not only could the tammy be front focusing, also bear in mind sample variation, not so good tammy vs very good sigma sample. The F8 tests show that it is possible the tammy is probably a not so good sample, FF or not.