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 USD Macro and the Carl Zeiss Planar T1,4/85 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Tamron 90mm F2.8 VC USD Macro is the longer of the two lenses at 115mm. The Carl Zeiss Planar T1,4/85 with a length of 85mm, is 30mm shorter. On the other hand, the Carl Zeiss Planar T1,4/85 has a larger diameter of 78mm compared to the Tamron 90mm F2.8 VC USD Macro's 76mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Tamron 90mm F2.8 VC USD Macro weighs 550g, which means it is 150g (21%) lighter than the Carl Zeiss Planar T1,4/85 which has a weight of 700g.
Filter Threads
The Tamron 90mm F2.8 VC USD Macro has a filter size of 58mm whereas the Carl Zeiss Planar T1,4/85 has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Tamron 90mm F2.8 VC USD Macro:
And these are the 72mm filters that we recommend for the Carl Zeiss Planar T1,4/85:
Lens Mounts
Both the Tamron 90mm F2.8 VC USD Macro and the Carl Zeiss Planar T1,4/85 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.
Tamron 90mm F2.8 VC USD Macro is also available in Nikon F (FX) and Sony Alpha mounts.
Carl Zeiss Planar T1,4/85 is also available in Pentax KAF and Nikon F (FX) mounts.
Focal Range
Tamron 90mm F2.8 VC USD Macro is a prime lens with fixed focal lenght of 90mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
144mm.
On the other hand, the Carl Zeiss Planar T1,4/85 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 136mm.