The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 16mm F1.4 C and the Panasonic 10-25mm F1.7 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. Panasonic 10-25mm F1.7 is the longer of the two lenses at 128mm. The Sigma 16mm F1.4 C with a length of 92mm, is 36mm shorter. Besides being longer, the Panasonic 10-25mm F1.7 also has a larger diameter of 88mm compared to the Sigma 16mm F1.4 C's 72mm diameter.
Below you can find a scaled side-by-side image of Sigma 16mm F1.4 C and Panasonic 10-25mm F1.7 to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 16mm F1.4 C and the Panasonic 10-25mm F1.7 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. Sigma 16mm F1.4 C weighs 405g, which means it is 285g (41%) lighter than the Panasonic 10-25mm F1.7 which has a weight of 690g.
Filter Threads
The Sigma 16mm F1.4 C has a filter size of 67mm whereas the Panasonic 10-25mm F1.7 has a 77mm 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 Sigma 16mm F1.4 C:
And these are the 77mm filters that we recommend for the Panasonic 10-25mm F1.7:
Lens Mounts
The Sigma 16mm F1.4 C has the Canon RF lens mount whereas the Panasonic 10-25mm F1.7 has the Micro Four Thirds lens mount . Some of the latest released cameras that are compatible with these mounts are Canon R50 V , Canon R100 and Canon R50 for the Canon RF 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 16mm F1.4 C is a prime lens with fixed focal lenght of 16mm which has an effective (full-frame 35mm equivalent) focal range of
25.6mm when used on a APS-C / DX format camera.
On the other hand, the Panasonic 10-25mm F1.7 has a focal range of 10-25mm and 2.5X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 20-50mm when used on a FourThirds format camera.
