The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 15mm F1.4 G and the Sony FE 14mm F1.8 GM for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Sony FE 14mm F1.8 GM is the longer of the two lenses at 100mm. The Sony E 15mm F1.4 G with a length of 70mm is 30mm shorter. Besides being longer, the Sony FE 14mm F1.8 GM also has a larger diameter of 83mm compared to Sony E 15mm F1.4 G's 67mm diameter.
Below you can find the scaled side by side image of Sony E 15mm F1.4 G and Sony FE 14mm F1.8 GM to get a better idea of how their size compare in real life.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sony E 15mm F1.4 G weighs 219g, which means it is 241g (52%) lighter than the Sony FE 14mm F1.8 GM which has a weight of 460g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Wideangle Prime Lenses in Sony E Mount for Size Comparison
Both Sony E 15mm F1.4 G and Sony FE 14mm F1.8 GM has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX30, Sony ZV-E10 and Sony A6600.
Sony E 15mm F1.4 G is a prime lens with fixed focal lenght of 15mm which has an effective (full-frame 35mm equivalent) focal range of 22.5mm when used on a APS-C / DX format camera. Sony FE 14mm F1.8 GM is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 21mm.