The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Otus 1.4/55 and the Tamron 60mm f2 II LD IF 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.Zeiss Otus 1.4/55 is the longer of the two lenses at 141mm. The Tamron 60mm f2 II LD IF Macro with a length of 80mm is 61mm shorter. Besides being longer, the Zeiss Otus 1.4/55 also has a larger diameter of 92mm compared to Tamron 60mm f2 II LD IF Macro's 73mm 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 60mm f2 II LD IF Macro weighs 400g, 58% (570g) lighter than the Zeiss Otus 1.4/55's weight of 970g.
Lens Mounts
Both Zeiss Otus 1.4/55 and Tamron 60mm f2 II LD IF 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.
Zeiss Otus 1.4/55 is also available in Nikon F (FX) mount.
Tamron 60mm f2 II LD IF Macro is also available in Nikon F (DX) and Sony Alpha mounts.
Focal Range
Zeiss Otus 1.4/55 is a prime lens with fixed focal lenght of 55mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 88mm.
Tamron 60mm f2 II LD IF Macro is a prime lens with fixed focal lenght of 60mm which has an effective (full-frame 35mm equivalent) focal range of 96mm when used on a APS-C / DX format camera.