The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 14mm F1.8 GM and the Sony FE 28mm F2 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 FE 28mm F2 with a length of 60mm is 40mm shorter. Besides being longer, the Sony FE 14mm F1.8 GM also has a larger diameter of 83mm compared to Sony FE 28mm F2's 64mm diameter.
Below you can find the scaled side by side image of Sony FE 14mm F1.8 GM and Sony FE 28mm F2 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 FE 28mm F2 weighs 200g, 56% (260g) lighter than the Sony FE 14mm F1.8 GM's 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 FE 14mm F1.8 GM and Sony FE 28mm F2 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A7R V, Sony FX30 and Sony A7 IV.
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.
Sony FE 28mm F2 is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 42mm.