The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 100mm F2.8 2X Ultra Macro and the Tokina 100mm f2.8 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.Venus 100mm F2.8 2X Ultra Macro is the longer of the two lenses at 125mm. The Tokina 100mm f2.8 Macro with a length of 95mm is 30mm shorter. On the other hand, the Tokina 100mm f2.8 Macro has a larger diameter of 73mm compared to Venus 100mm F2.8 2X Ultra Macro's 72mm 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. Tokina 100mm f2.8 Macro weighs 540g, 15% (98g) lighter than the Venus 100mm F2.8 2X Ultra Macro's weight of 638g.
Below you can find the dimension and weight table of the 'Macro Prime Lenses in Canon EF Mount for size comparison purposes.
Macro Prime Lenses in Canon EF Mount for Size Comparison
Lens Mounts
Both Venus 100mm F2.8 2X Ultra Macro and Tokina 100mm f2.8 Macro has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Venus 100mm F2.8 2X Ultra Macro is also available in Nikon F (FX) , Pentax KAF2 and Sony E mounts.
Tokina 100mm f2.8 Macro is also available in Nikon F (FX) mount.
Focal Range
Both lenses have the same focal range of 100mm and the fastest aperture of F2.8.