The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 30mm F1.4 C and the Sigma 28-70mm F2.8 DG DN C 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 28-70mm F2.8 DG DN C is the longer of the two lenses at 102mm. The Sigma 30mm F1.4 C with a length of 73mm, is 29mm shorter. Besides being longer, the Sigma 28-70mm F2.8 DG DN C also has a larger diameter of 72mm compared to the Sigma 30mm F1.4 C's 65mm diameter.
Below you can find a scaled side-by-side image of Sigma 30mm F1.4 C and Sigma 28-70mm F2.8 DG DN C to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 30mm F1.4 C and the Sigma 28-70mm F2.8 DG DN C 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 30mm F1.4 C weighs 265g, which means it is 205g (43%) lighter than the Sigma 28-70mm F2.8 DG DN C which has a weight of 470g.
Filter Threads
The Sigma 30mm F1.4 C has a filter size of 52mm whereas the Sigma 28-70mm F2.8 DG DN C 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 52mm filters that we recommend you to consider for the Sigma 30mm F1.4 C:
And these are the 67mm filters that we recommend for the Sigma 28-70mm F2.8 DG DN C:
Lens Mounts
Both the Sigma 30mm F1.4 C and the Sigma 28-70mm F2.8 DG DN C has the same Leica L lens mount . Some of the latest released cameras that are compatible with the Leica L lenses are Leica TL2 , Leica TL and Leica T Typ 701 .
Sony E , Micro Four Thirds , Fujifilm X , Nikon Z and Canon RF mounts.
Focal Range
Sigma 30mm F1.4 C is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of
45mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 28-70mm F2.8 DG DN C has a focal range of 28-70mm and 2.5X zoom ratio .
