The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Kase 85mm F1.4 and the Sony FE 50-150mm F2 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. Sony FE 50-150mm F2 is the longer of the two lenses at 200mm. The Kase 85mm F1.4 with a length of 99mm, is 101mm shorter. Besides being longer, the Sony FE 50-150mm F2 also has a larger diameter of 103mm compared to the Kase 85mm F1.4's 82mm diameter.
Below you can find a scaled side-by-side image of Kase 85mm F1.4 and Sony FE 50-150mm F2 to get a better idea of how their sizes compare in real life.
Comparison image of the Kase 85mm F1.4 and the Sony FE 50-150mm F2 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. Kase 85mm F1.4 weighs 580g, which means it is 760g (56%) lighter than the Sony FE 50-150mm F2 which has a weight of 1340g.
Filter Threads
The Kase 85mm F1.4 has a filter size of 72mm whereas the Sony FE 50-150mm F2 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 72mm filters that we recommend you to consider for the Kase 85mm F1.4:
And these are the 95mm filters that we recommend for the Sony FE 50-150mm F2:
Lens Mounts
Both the Kase 85mm F1.4 and the Sony FE 50-150mm F2 has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Nikon Z , Fujifilm X and Leica L mounts.
Focal Range
Kase 85mm F1.4 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
127.5mm .
On the other hand, the Sony FE 50-150mm F2 has a focal range of 50-150mm and 3.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75 - 225mm .
