The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony 28mm F2.8 and the Sony 24mm F2 SSM CZ for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Sony 24mm F2 SSM CZ is the longer of the two lenses at 76mm. The Sony 28mm F2.8 with a length of 43mm, is 33mm shorter. Besides being longer, the Sony 24mm F2 SSM CZ also has a larger diameter of 78mm compared to the Sony 28mm F2.8's 66mm diameter.
The 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 28mm F2.8 weighs 185g, which means it is 370g (66%) lighter than the Sony 24mm F2 SSM CZ which has a weight of 555g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony Alpha Mount for size comparison purposes.
Wideangle Prime Lenses in Sony Alpha Mount for Size Comparison
Lens Mounts
Both the Sony 28mm F2.8 and the Sony 24mm F2 SSM CZ has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A99 II, Sony A68 and Sony A77 II.
Focal Range
Sony 28mm F2.8 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 a 35mm (FF) equivalent of 42mm.
Sony 24mm F2 SSM CZ is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36mm.