The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica SL 50mm F1.4 2026 and the Sigma 30mm F1.4 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. Leica SL 50mm F1.4 2026 is the longer of the two lenses at 76mm. The Sigma 30mm F1.4 C with a length of 73mm, is 3mm shorter. Besides being longer, the Leica SL 50mm F1.4 2026 also has a larger diameter of 74mm compared to the Sigma 30mm F1.4 C's 65mm diameter.
Below you can find a scaled side-by-side image of Leica SL 50mm F1.4 2026 and Sigma 30mm F1.4 C to get a better idea of how their sizes compare in real life.
Comparison image of the Leica SL 50mm F1.4 2026 and the Sigma 30mm F1.4 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, 54% (319g) lighter than the Leica SL 50mm F1.4 2026's weight of 584g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Leica L Mount for size comparison purposes.
Standard Leica L Mount
Filter Threads
The Leica SL 50mm F1.4 2026 has a filter size of 67mm whereas the Sigma 30mm F1.4 C has a 52mm 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 Leica SL 50mm F1.4 2026:
And these are the 52mm filters that we recommend for the Sigma 30mm F1.4 C:
Lens Mounts
Both the Leica SL 50mm F1.4 2026 and the Sigma 30mm F1.4 C has the same Leica L lens mount . Some of the latest released cameras that are compatible with the Leica L lenses are Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE .
Sony E , Micro Four Thirds , Fujifilm X , Nikon Z and Canon RF mounts.
Focal Range
Leica SL 50mm F1.4 2026 is a prime lens with fixed focal lenght of 50mm.
On the other hand, the 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.
