The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 35mm F2.8 Di III OSD M1:2 and the Sony E 35mm F1.8 OSS 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. Tamron 35mm F2.8 Di III OSD M1:2 is the longer of the two lenses at 64mm. The Sony E 35mm F1.8 OSS with a length of 45mm, is 19mm shorter. Besides being longer, the Tamron 35mm F2.8 Di III OSD M1:2 also has a larger diameter of 73mm compared to the Sony E 35mm F1.8 OSS's 63mm 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. Sony E 35mm F1.8 OSS weighs 155g, 26% (55g) lighter than the Tamron 35mm F2.8 Di III OSD M1:2's weight of 210g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Wideangle Lenses in Sony E Mount for Size Comparison
Filter Threads
The Tamron 35mm F2.8 Di III OSD M1:2 has a filter size of 67mm whereas the Sony E 35mm F1.8 OSS has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Tamron 35mm F2.8 Di III OSD M1:2:
And these are the 49mm filters that we recommend for the Sony E 35mm F1.8 OSS:
Lens Mounts
Both the Tamron 35mm F2.8 Di III OSD M1:2 and the Sony E 35mm F1.8 OSS has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Focal Range
Both lenses have the same focal range of
35mm but while Tamron 35mm F2.8 Di III OSD M1:2 has the fastest aperture of
F2.8, the Sony E 35mm F1.8 OSS's widest aperture value is
F1.8.