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 Meike 50mm f1.8 AF for their suitability to various photography scenarios:
Size and Weight Comparison
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 117g (30%) lighter than the Meike 50mm f1.8 AF which has a weight of 382g.
Filter Threads
The Sigma 30mm F1.4 C has a filter size of 52mm whereas the Meike 50mm f1.8 AF has a 58mm 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 58mm filters that we recommend for the Meike 50mm f1.8 AF:
Lens Mounts
The Sigma 30mm F1.4 C has the Leica L lens mount whereas the Meike 50mm f1.8 AF has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Leica TL2, Leica TL and Leica T Typ 701 for the Leica L Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Sigma 30mm F1.4 C is also available in the Sony E , Micro Four Thirds, Fujifilm X, Nikon Z and Canon RF mounts.
Meike 50mm f1.8 AF is also available in Nikon Z and Leica L 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 Meike 50mm f1.8 AF is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75mm.
