The tamron 70-300mm has an average review score of 77%

Score (%):
Tamron 70-300mm f/4-5.6 LD Di
Tamron has formulated this lens to be suitable for digital cameras and film cameras, with an imaging circle covering the 35mm sized frame...
Read the full review...

80

Tamron 70-300mm f/4-5.6 Di LD Macro 1:2 AF (Tested)
Multiple user reviews on slrgear.com
Read the full review...

74