The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 12-60mm F2.8-4.0 and the Sigma 100-400mm F5-6.3 OS 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 100-400mm F5-6.3 OS is the longer of the two lenses at 197mm. The Panasonic 12-60mm F2.8-4.0 with a length of 86mm, is 111mm shorter. Besides being longer, the Sigma 100-400mm F5-6.3 OS also has a larger diameter of 86mm compared to the Panasonic 12-60mm F2.8-4.0's 68mm diameter.
Below you can find a scaled side-by-side image of Panasonic 12-60mm F2.8-4.0 and Sigma 100-400mm F5-6.3 OS to get a better idea of how their sizes compare in real life.
Comparison image of the Panasonic 12-60mm F2.8-4.0 and the Sigma 100-400mm F5-6.3 OS 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 12-60mm F2.8-4.0 weighs 320g, which means it is 815g (71%) lighter than the Sigma 100-400mm F5-6.3 OS which has a weight of 1135g.
Filter Threads
The Panasonic 12-60mm F2.8-4.0 has a filter size of 62mm whereas the Sigma 100-400mm F5-6.3 OS has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Panasonic 12-60mm F2.8-4.0:
And these are the 67mm filters that we recommend for the Sigma 100-400mm F5-6.3 OS:
Lens Mounts
The Panasonic 12-60mm F2.8-4.0 has the Micro Four Thirds lens mount whereas the Sigma 100-400mm F5-6.3 OS has the Leica L lens mount . Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount.
Sony E and Fujifilm X mounts.
Focal Range
Panasonic 12-60mm F2.8-4.0 has a focal range of 12-60mm and
5.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
24-120mm when used on a FourThirds format camera.
On the other hand, the Sigma 100-400mm F5-6.3 OS has a focal range of 100-400mm and 4.0X zoom ratio .
