The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Milvus 25mm F1.4 and the Zeiss Milvus 15mm 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 25mm F1.4 is the longer of the two lenses at 123mm. The Zeiss Milvus 15mm F2.8 with a length of 100mm, is 23mm shorter. On the other hand, the Zeiss Milvus 15mm F2.8 has a larger diameter of 102mm compared to the Zeiss Milvus 25mm F1.4's 95mm 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 Milvus 15mm F2.8 weighs 947g, 22% (278g) lighter than the Zeiss Milvus 25mm F1.4's weight of 1225g.
Filter Threads
The Zeiss Milvus 25mm F1.4 has a filter size of 82mm whereas the Zeiss Milvus 15mm F2.8 has a 95mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Zeiss Milvus 25mm F1.4:
And these are the 95mm filters that we recommend for the Zeiss Milvus 15mm F2.8:
Lens Mounts
Both the Zeiss Milvus 25mm F1.4 and the Zeiss Milvus 15mm F2.8 has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Zeiss Milvus 25mm F1.4 is also available in Nikon F (FX) mount.
Zeiss Milvus 15mm F2.8 is also available in Nikon F (FX) mount.
Focal Range
Zeiss Milvus 25mm F1.4 is a prime lens with fixed focal lenght of 25mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
40mm.
On the other hand, the 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 1.6x crop, it provides a 35mm (FF) equivalent of 24mm.