The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 90mm F2.8 VC Macro and the Tamron 90mm F2.8 VC USD Macro for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Tamron 90mm F2.8 VC Macro is the longer of the two lenses at 117mm. The Tamron 90mm F2.8 VC USD Macro with a length of 115mm is 2mm shorter. Besides being longer, the Tamron 90mm F2.8 VC Macro also has a larger diameter of 79mm compared to Tamron 90mm F2.8 VC USD Macro's 76mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Tamron 90mm F2.8 VC USD Macro weighs 550g, 9% (59g) lighter than the Tamron 90mm F2.8 VC Macro's weight of 609g.
Below you can find the dimension and weight table of the 'Macro Prime Lenses in Sony Alpha Mount for size comparison purposes.
Macro Prime Lenses in Sony Alpha Mount for Size Comparison
Both Tamron 90mm F2.8 VC Macro and Tamron 90mm F2.8 VC USD Macro has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A99 II, Sony A68 and Sony A77 II.
Tamron 90mm F2.8 VC Macro is also available in Nikon F (FX) and Canon EF mounts.
Tamron 90mm F2.8 VC USD Macro is also available in Canon EF and Nikon F (FX) mounts.
Both lenses have the same focal range of 90mm and the fastest aperture of F2.8.