The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 18-300mm F3.5-6.3 Di III-A VC VXD and the Sony E 18-200mm F3.5-6.3 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 18-300mm F3.5-6.3 Di III-A VC VXD is the longer of the two lenses at 126mm. The Sony E 18-200mm F3.5-6.3 with a length of 99mm is 27mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 76mm.
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. Sony E 18-200mm F3.5-6.3 weighs 524g, 15% (96g) lighter than the Tamron 18-300mm F3.5-6.3 Di III-A VC VXD's weight of 620g.
Below you can find the dimension and weight table of the 'SuperZoom Lenses in Sony E Mount for size comparison purposes.
SuperZoom Lenses in Sony E Mount for Size Comparison
Lens Mounts
Both Tamron 18-300mm F3.5-6.3 Di III-A VC VXD and Sony E 18-200mm F3.5-6.3 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX30, Sony ZV-E10 and Sony A6600.
Tamron 18-300mm F3.5-6.3 Di III-A VC VXD is also available in Fujifilm X mount.
Focal Range
Tamron 18-300mm F3.5-6.3 Di III-A VC VXD has a focal range of 18-300mm and 16.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-450mm when used on a APS-C / DX format camera. Sony E 18-200mm F3.5-6.3 has a focal range of 18-200mm and 11.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-300mm when used on a APS-C / DX format camera.