The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Loxia 25mm F2.4 and the Venus 25mm F2.8 2.5-5X Ultra Macro 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. Zeiss Loxia 25mm F2.4 is the longer of the two lenses at 75mm. The Venus 25mm F2.8 2.5-5X Ultra Macro with a length of 65mm, is 10mm shorter. On the other hand, the Venus 25mm F2.8 2.5-5X Ultra Macro has a larger diameter of 82mm compared to the Zeiss Loxia 25mm F2.4's 62mm diameter.
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Below you can find a scaled side-by-side image of Zeiss Loxia 25mm F2.4 and Venus 25mm F2.8 2.5-5X Ultra Macro to get a better idea of how their sizes compare in real life.
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. Zeiss Loxia 25mm F2.4 weighs 393g, which means it is 7g (1%) lighter than the Venus 25mm F2.8 2.5-5X Ultra Macro which has a weight of 400g.
Lens Mounts
Both the Zeiss Loxia 25mm F2.4 and the Venus 25mm F2.8 2.5-5X Ultra Macro has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Venus 25mm F2.8 2.5-5X Ultra Macro is also available in Canon EF , Nikon F (DX) and Pentax KAF2 mounts.
Focal Range
Both lenses have the same focal range of
25mm but while Zeiss Loxia 25mm F2.4 has the fastest aperture of
F2.4, the Venus 25mm F2.8 2.5-5X Ultra Macro's widest aperture value is
F2.8.