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 Panasonic S 35mm F1.8 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. Panasonic S 35mm F1.8 is the longer of the two lenses at 82mm. The Leica TL 35mm F1.4 ASPH with a length of 77mm, is 5mm shorter. Besides being longer, the Panasonic S 35mm F1.8 also has a larger diameter of 74mm compared to the Leica TL 35mm F1.4 ASPH's 70mm diameter.
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Below you can find a scaled side-by-side image of Leica TL 35mm F1.4 ASPH and Panasonic S 35mm F1.8 to get a better idea of how their sizes compare in real life.
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 167g (56%) lighter than the Panasonic S 35mm F1.8 which has a weight of 295g.
Filter Threads
The Leica TL 35mm F1.4 ASPH has a filter size of 60mm whereas the Panasonic S 35mm F1.8 has a 67mm 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 67mm filters that we recommend for the Panasonic S 35mm F1.8:
Lens Mounts
The Leica TL 35mm F1.4 ASPH has the Leica TL lens mount whereas the Panasonic S 35mm F1.8 has the Leica L lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Leica TL Mount and Leica SL3, Panasonic S5 II and Panasonic S5 II X for the Leica L 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 Panasonic S 35mm F1.8's widest aperture value is
F1.8.