The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Milvus 15mm F2.8 and the Zeiss Batis 18mm F2.8 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. Zeiss Milvus 15mm F2.8 is the longer of the two lenses at 100mm. The Zeiss Batis 18mm F2.8 with a length of 80mm, is 20mm shorter. Besides being longer, the Zeiss Milvus 15mm F2.8 also has a larger diameter of 102mm compared to the Zeiss Batis 18mm F2.8's 78mm 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. Zeiss Batis 18mm F2.8 weighs 330g, 65% (617g) lighter than the Zeiss Milvus 15mm F2.8's weight of 947g.
Filter Threads
The Zeiss Milvus 15mm F2.8 has a filter size of 95mm whereas the Zeiss Batis 18mm F2.8 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 95mm filters that we recommend you to consider for the Zeiss Milvus 15mm F2.8:
And these are the 77mm filters that we recommend for the Zeiss Batis 18mm F2.8:
Lens Mounts
The Zeiss Milvus 15mm F2.8 has the Nikon F (FX) lens mount whereas the Zeiss Batis 18mm F2.8 has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Zeiss Milvus 15mm F2.8 is also available in the Canon EF mount.
Focal Range
Zeiss Milvus 15mm F2.8 is a prime lens with fixed focal lenght of 15mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
22.5mm.
On the other hand, the Zeiss Batis 18mm F2.8 is a prime lens with fixed focal lenght of 18mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 27mm.
