The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 20-200mm F3.5-6.3 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. Sigma 20-200mm F3.5-6.3 is the longer of the two lenses at 118mm. The Panasonic 14-140mm F3.5-5.6 II with a length of 75mm, is 43mm shorter. Besides being longer, the Sigma 20-200mm F3.5-6.3 also has a larger diameter of 77mm 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 Sigma 20-200mm F3.5-6.3 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 Sigma 20-200mm F3.5-6.3 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, 50% (275g) lighter than the Sigma 20-200mm F3.5-6.3's weight of 540g.
Filter Threads
The Sigma 20-200mm F3.5-6.3 has a filter size of 72mm 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 72mm filters that we recommend you to consider for the Sigma 20-200mm F3.5-6.3:
And these are the 58mm filters that we recommend for the Panasonic 14-140mm F3.5-5.6 II :
Lens Mounts
The Sigma 20-200mm F3.5-6.3 has the Sony E 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 Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount and OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Focal Range
Sigma 20-200mm F3.5-6.3 has a focal range of 20-200mm and
10.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
30 - 300mm .
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.
