The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 35mm F2 DG DN and the Sigma 45mm 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 35mm F2 DG DN is the longer of the two lenses at 65mm. The Sigma 45mm F2.8 DG DN C with a length of 46mm, is 19mm shorter. Besides being longer, the Sigma 35mm F2 DG DN also has a larger diameter of 70mm compared to the Sigma 45mm F2.8 DG DN C's 64mm diameter.
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 45mm F2.8 DG DN C weighs 215g, 33% (110g) lighter than the Sigma 35mm F2 DG DN's weight of 325g.
Filter Threads
The Sigma 35mm F2 DG DN has a filter size of 58mm whereas the Sigma 45mm F2.8 DG DN C has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Sigma 35mm F2 DG DN:
And these are the 55mm filters that we recommend for the Sigma 45mm F2.8 DG DN C:
Lens Mounts
The Sigma 35mm F2 DG DN has the Sony E lens mount whereas the Sigma 45mm F2.8 DG DN C has the Leica L 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 Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount.
Sigma 35mm F2 DG DN is also available in the Leica L mount.
Sigma 45mm F2.8 DG DN C is also available in Sony E mount.
Focal Range
Sigma 35mm F2 DG DN is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5mm.
On the other hand, the Sigma 45mm F2.8 DG DN C is a prime lens with fixed focal lenght of 45mm.
