The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 35mm F1.8 OSS and the Sigma 18-35mm F1.8 DC HSM 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 18-35mm F1.8 DC HSM is the longer of the two lenses at 121mm. The Sony E 35mm F1.8 OSS with a length of 45mm, is 76mm shorter. Besides being longer, the Sigma 18-35mm F1.8 DC HSM also has a larger diameter of 78mm compared to the Sony E 35mm F1.8 OSS's 63mm diameter.
Below you can find a scaled side-by-side image of Sony E 35mm F1.8 OSS and Sigma 18-35mm F1.8 DC HSM to get a better idea of how their sizes compare in real life.
Comparison image of the Sony E 35mm F1.8 OSS and the Sigma 18-35mm F1.8 DC HSM 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. Sony E 35mm F1.8 OSS weighs 155g, which means it is 655g (80%) lighter than the Sigma 18-35mm F1.8 DC HSM which has a weight of 810g.
Filter Threads
The Sony E 35mm F1.8 OSS has a filter size of 49mm whereas the Sigma 18-35mm F1.8 DC HSM has a 72mm 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 Sony E 35mm F1.8 OSS:
And these are the 72mm filters that we recommend for the Sigma 18-35mm F1.8 DC HSM:
Lens Mounts
The Sony E 35mm F1.8 OSS has the Sony E lens mount whereas the Sigma 18-35mm F1.8 DC HSM has the Sigma SA lens mount . Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II , Sony A6700 and Sony FX30 for the Sony E Mount and Sigma SD1 Merrill , Sigma SD1 and
Canon EF , Pentax KAF , Sony Alpha and Nikon F (DX) mounts.
Focal Range
Sony E 35mm F1.8 OSS is a prime lens with fixed focal lenght of 35mm which has an effective (full-frame 35mm equivalent) focal range of
52.5mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 18-35mm F1.8 DC HSM has a focal range of 18-35mm and 1.9X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-52.5mm when used on a APS-C / DX format camera.
