The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 50mm F1.4 AS UMC and the Sony 28-75mm F2.8 SAM 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 28-75mm F2.8 SAM is the longer of the two lenses at 98mm. The Samyang 50mm F1.4 AS UMC with a length of 75mm, is 23mm shorter. On the other hand, the Samyang 50mm F1.4 AS UMC has a larger diameter of 82mm compared to the Sony 28-75mm F2.8 SAM'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. Samyang 50mm F1.4 AS UMC weighs 535g, which means it is 30g (5%) lighter than the Sony 28-75mm F2.8 SAM which has a weight of 565g.
Filter Threads
The Samyang 50mm F1.4 AS UMC has a filter size of 77mm whereas the Sony 28-75mm F2.8 SAM has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Samyang 50mm F1.4 AS UMC:
And these are the 67mm filters that we recommend for the Sony 28-75mm F2.8 SAM:
Lens Mounts
Both the Samyang 50mm F1.4 AS UMC and the Sony 28-75mm F2.8 SAM has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are , and .
Samyang 50mm F1.4 AS UMC is also available in the Canon EF , Nikon F (FX), Pentax KAF and Sony E mounts.
Focal Range
Samyang 50mm F1.4 AS UMC 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.
On the other hand, the Sony 28-75mm F2.8 SAM has a focal range of 28-75mm and 2.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 42 - 112.5mm.
