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

*wallyb* · 12-13-2008, 02:39 PM

These are all 100% crops I assume? Otherwise you're only testing for distortion which is moot since you use different focal lengths..

12-13-2008, 02:39 PM	#7
wallyb Site Supporter Marketplace Reseller Gallery Photos: 0 Posts: 892	These are all 100% crops I assume? Otherwise you're only testing for distortion which is moot since you use different focal lengths..