The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 25mm F2.8 2.5-5X Ultra Macro and the Samyang AF 24mm F2.8 FE for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Venus 25mm F2.8 2.5-5X Ultra Macro is the longer of the two lenses at 65mm. The Samyang AF 24mm F2.8 FE with a length of 37mm is 28mm shorter. Besides being longer, the Venus 25mm F2.8 2.5-5X Ultra Macro also has a larger diameter of 82mm compared to Samyang AF 24mm F2.8 FE's 61mm diameter.
Below you can find the scaled side by side image of Venus 25mm F2.8 2.5-5X Ultra Macro and Samyang AF 24mm F2.8 FE to get a better idea of how their size compare in real life.
Comparison image of Venus 25mm F2.8 2.5-5X Ultra Macro and Samyang AF 24mm F2.8 FE Size and Weight 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. Samyang AF 24mm F2.8 FE weighs 93g, 76% (307g) lighter than the Venus 25mm F2.8 2.5-5X Ultra Macro's weight of 400g.
Lens Mounts
Both Venus 25mm F2.8 2.5-5X Ultra Macro and Samyang AF 24mm F2.8 FE 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.
Venus 25mm F2.8 2.5-5X Ultra Macro is also available in Canon EF , Nikon F (DX) and Pentax KAF2 mounts.
Focal Range
Venus 25mm F2.8 2.5-5X Ultra Macro is a prime lens with fixed focal lenght of 25mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 37.5mm.
Samyang AF 24mm F2.8 FE 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 an 35mm (FF) equivalent of 36mm.