The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica 50mm f1.4 2025 and the Pentax FA 50mm F1.4 Classic 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 50mm f1.4 2025 is the longer of the two lenses at 45mm. The Pentax FA 50mm F1.4 Classic with a length of 37mm, is 8mm shorter. On the other hand, the Pentax FA 50mm F1.4 Classic has a larger diameter of 65mm compared to the Leica 50mm f1.4 2025's 58mm 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. Pentax FA 50mm F1.4 Classic weighs 216g, 48% (201g) lighter than the Leica 50mm f1.4 2025's weight of 417g.
Filter Threads
The Leica 50mm f1.4 2025 has a filter size of 46mm whereas the Pentax FA 50mm F1.4 Classic 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 46mm filters that we recommend you to consider for the Leica 50mm f1.4 2025:
And these are the 49mm filters that we recommend for the Pentax FA 50mm F1.4 Classic:
Lens Mounts
The Leica 50mm f1.4 2025 has the Leica M lens mount whereas the Pentax FA 50mm F1.4 Classic has the Pentax KAF lens mount. Some of the latest released cameras that are compatible with these mounts are Leica M EV1, Leica M11-D and Pixii Max for the Leica M Mount and Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount.
Focal Range
Both lenses have the same focal range of
50mm and the fastest aperture of
F1.4.