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 Carl Zeiss Distagon T2,8/25 for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Carl Zeiss Distagon T2,8/25 is the longer of the two lenses at 90mm. The Venus 25mm F2.8 2.5-5X Ultra Macro with a length of 65mm is 25mm shorter. On the other hand, the Venus 25mm F2.8 2.5-5X Ultra Macro has a larger diameter of 82mm compared to Carl Zeiss Distagon T2,8/25's 64mm diameter.
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. Venus 25mm F2.8 2.5-5X Ultra Macro weighs 400g, which means it is 80g (16%) lighter than the Carl Zeiss Distagon T2,8/25 which has a weight of 480g.
Both Venus 25mm F2.8 2.5-5X Ultra Macro has the Nikon F (DX) lens mount whereas the Carl Zeiss Distagon T2,8/25 has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (DX) Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Venus 25mm F2.8 2.5-5X Ultra Macro is also available in Canon EF , Pentax KAF2 and Sony E mounts.
Carl Zeiss Distagon T2,8/25 is also available in Pentax KAF mount.
Both lenses have the same focal range of 25mm and the fastest aperture of F2.8.