The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans 135mm f1.8 E and the Sigma 135mm F1.4 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. Sigma 135mm F1.4 is the longer of the two lenses at 138mm. The 7Artisans 135mm f1.8 E with a length of 136mm, is 2mm shorter. Besides being longer, the Sigma 135mm F1.4 also has a larger diameter of 112mm compared to the 7Artisans 135mm f1.8 E's 91mm 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. 7Artisans 135mm f1.8 E weighs 1014g, which means it is 406g (28%) lighter than the Sigma 135mm F1.4 which has a weight of 1420g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Sony E Mount for size comparison purposes.
Telephoto Lenses in Sony E Mount for Size Comparison
Filter Threads
The 7Artisans 135mm f1.8 E has a filter size of 82mm whereas the Sigma 135mm F1.4 has a 105mm 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 7Artisans 135mm f1.8 E:
And these are the 105mm filters that we recommend for the Sigma 135mm F1.4:
Lens Mounts
Both the 7Artisans 135mm f1.8 E and the Sigma 135mm F1.4 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.
Sigma 135mm F1.4 is also available in Leica L mount.
Focal Range
Both lenses have the same focal range of
135mm but while 7Artisans 135mm f1.8 E has the fastest aperture of
F1.8, the Sigma 135mm F1.4's widest aperture value is
F1.4.
