The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 50mm f1.4 USM and the Panasonic Leica 35-100mm f2.8 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 Leica 35-100mm f2.8 is the longer of the two lenses at 100mm. The Canon 50mm f1.4 USM with a length of 51mm, is 49mm shorter. On the other hand, the Canon 50mm f1.4 USM has a larger diameter of 74mm compared to the Panasonic Leica 35-100mm f2.8's 67mm 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. Canon 50mm f1.4 USM weighs 290g, which means it is 70g (19%) lighter than the Panasonic Leica 35-100mm f2.8 which has a weight of 360g.
Filter Threads
Both the Canon 50mm f1.4 USM and the Panasonic Leica 35-100mm f2.8 have the same Filter thread size of 58mm.
Below are links to the 58mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Canon 50mm f1.4 USM has the Canon EF lens mount whereas the Panasonic Leica 35-100mm f2.8 has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount and OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Focal Range
Canon 50mm f1.4 USM is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
80mm.
On the other hand, the Panasonic Leica 35-100mm f2.8 has a focal range of 35-100mm and 2.9X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 70-200mm when used on a FourThirds format camera.
