The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Thypoch 28mm F1.4 E and the Viltrox AF 40mm f2.5 E 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. Thypoch 28mm F1.4 E is the longer of the two lenses at 70mm. The Viltrox AF 40mm f2.5 E with a length of 56mm, is 14mm shorter. On the other hand, the Viltrox AF 40mm f2.5 E has a larger diameter of 68mm compared to the Thypoch 28mm F1.4 E's 54mm 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. Viltrox AF 40mm f2.5 E weighs 180g, 47% (164g) lighter than the Thypoch 28mm F1.4 E's weight of 344g.
Filter Threads
The Thypoch 28mm F1.4 E has a filter size of 49mm whereas the Viltrox AF 40mm f2.5 E has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 49mm filters that we recommend you to consider for the Thypoch 28mm F1.4 E:
And these are the 52mm filters that we recommend for the Viltrox AF 40mm f2.5 E:
Lens Mounts
Both the Thypoch 28mm F1.4 E and the Viltrox AF 40mm f2.5 E 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.
Focal Range
Thypoch 28mm F1.4 E is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
44.8mm.
On the other hand, the Viltrox AF 40mm f2.5 E is a prime lens with fixed focal lenght of 40mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 60mm.
