The type of photography that you are planning to use is an important decision factor. Here we have evaluated the TTArtisan 100mm f2.8 Macro and the Tamron 18-400mm F3.5-6.3 VC 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. TTArtisan 100mm f2.8 Macro is the longer of the two lenses at 165mm. The Tamron 18-400mm F3.5-6.3 VC with a length of 124mm, is 41mm shorter. On the other hand, the Tamron 18-400mm F3.5-6.3 VC has a larger diameter of 79mm compared to the TTArtisan 100mm f2.8 Macro's 77mm 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 18-400mm F3.5-6.3 VC weighs 710g, 5% (38g) lighter than the TTArtisan 100mm f2.8 Macro's weight of 748g.
Filter Threads
The TTArtisan 100mm f2.8 Macro has a filter size of 67mm whereas the Tamron 18-400mm F3.5-6.3 VC 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 67mm filters that we recommend you to consider for the TTArtisan 100mm f2.8 Macro:
And these are the 72mm filters that we recommend for the Tamron 18-400mm F3.5-6.3 VC:
Lens Mounts
The TTArtisan 100mm f2.8 Macro has the Canon RF lens mount whereas the Tamron 18-400mm F3.5-6.3 VC has the Canon EF-S lens mount. Some of the latest released cameras that are compatible with these mounts are Canon R6 V, Canon R6 III and Canon C50 for the Canon RF Mount and Canon T8i, Canon 90D and Canon SL3 for the Canon EF-S Mount.
TTArtisan 100mm f2.8 Macro is also available in the Sony E , Nikon Z, Leica L and Fujifilm X mounts.
Tamron 18-400mm F3.5-6.3 VC is also available in Nikon F (DX) mount.
Focal Range
TTArtisan 100mm f2.8 Macro is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
150mm.
On the other hand, the Tamron 18-400mm F3.5-6.3 VC has a focal range of 18-400mm and 22.2X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 28.8-640mm when used on a APS-C / DX format camera.
