The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica TL 35mm F1.4 ASPH and the Sony DT 35mm F1.8 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. Leica TL 35mm F1.4 ASPH is the longer of the two lenses at 77mm. The Sony DT 35mm F1.8 SAM with a length of 52mm, is 25mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 70mm.
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. Leica TL 35mm F1.4 ASPH weighs 128g, which means it is 42g (24%) lighter than the Sony DT 35mm F1.8 SAM which has a weight of 170g.
Filter Threads
The Leica TL 35mm F1.4 ASPH has a filter size of 60mm whereas the Sony DT 35mm F1.8 SAM has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 60mm filters that we recommend you to consider for the Leica TL 35mm F1.4 ASPH:
And these are the 55mm filters that we recommend for the Sony DT 35mm F1.8 SAM:
Lens Mounts
The Leica TL 35mm F1.4 ASPH has the Leica TL lens mount whereas the Sony DT 35mm F1.8 SAM has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Leica TL Mount and Sony A68, Sony A77 II and Sony A58 for the Sony Alpha Mount.
Focal Range
Both lenses have the same focal range of
35mm but while Leica TL 35mm F1.4 ASPH has the fastest aperture of
F1.4, the Sony DT 35mm F1.8 SAM's widest aperture value is
F1.8.