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 and the Panasonic 14-140mm F3.5-5.6 II 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 18-300mm F3.5-6.3 Di is the longer of the two lenses at 126mm. The Panasonic 14-140mm F3.5-5.6 II with a length of 75mm, is 51mm shorter. Besides being longer, the Tamron 18-300mm F3.5-6.3 Di also has a larger diameter of 76mm compared to the Panasonic 14-140mm F3.5-5.6 II 's 67mm diameter.
Below you can find a scaled side-by-side image of Tamron 18-300mm F3.5-6.3 Di and Panasonic 14-140mm F3.5-5.6 II to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 18-300mm F3.5-6.3 Di and the Panasonic 14-140mm F3.5-5.6 II Size and Weight 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. Panasonic 14-140mm F3.5-5.6 II weighs 265g, 57% (355g) lighter than the Tamron 18-300mm F3.5-6.3 Di's weight of 620g.
Filter Threads
The Tamron 18-300mm F3.5-6.3 Di has a filter size of 67mm whereas the Panasonic 14-140mm F3.5-5.6 II has a 58mm 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 Tamron 18-300mm F3.5-6.3 Di:
And these are the 58mm filters that we recommend for the Panasonic 14-140mm F3.5-5.6 II :
Lens Mounts
The Tamron 18-300mm F3.5-6.3 Di has the Fujifilm X lens mount whereas the Panasonic 14-140mm F3.5-5.6 II has the Micro Four Thirds lens mount . Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Tamron 18-300mm F3.5-6.3 Di is also available in the Sony E mount.
Focal Range
Tamron 18-300mm F3.5-6.3 Di 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.
On the other hand, the Panasonic 14-140mm F3.5-5.6 II has a focal range of 14-140mm and 10.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 28-280mm when used on a FourThirds format camera.